IPv6 basics commands

Route destination count

Total number of route destination addresses.

Directly-connected host count

Number of directly-connected hosts that are learned through features such as ND.

FIB entry count

Total number of IPv6 FIB entries.

Destination

Destination address.

Prefix length

Prefix length of the destination address.

Nexthop

Next hop address.

Flags

Route flag:

·     U—Usable route.

·     G—Gateway route.

·     H—Host route.

·     B—Black hole route.

·     D—Dynamic route.

·     S—Static route.

·     R—Recursive route.

·     F—Fast re-route.

Time stamp

Time when the IPv6 FIB entry was generated.

Label

Inner MPLS label.

Interface

Outgoing interface.

Token

Label switched path index number.

Route destination count

Number of route destination addresses.

Directly-connected host count

Number of directly-connected hosts that are learned through features such as ND.

Total count

Number of IPv6 FIB entries.

VPN-Instance Name

VPN instance name.

Field

Description

bad code

Number of received packets with error codes.

too short

Number of received packets with the length too short.

checksum error

Number of received packets with checksum errors.

bad length

Number of received packets with incorrect packet size.

path MTU changed

Number of received packets with path MTU changed.

destination unreachable

Number of destination unreachable packets that have been received.

too big

Number of received or sent oversized packets.

parameter problem

Number of received or sent packets with incorrect parameters.

echo request

Number of received or sent echo request packets.

echo reply

Number of received or sent echo reply packets.

neighbor solicit

Number of received NS packets.

neighbor advertisement

Number of received NA packets.

router solicit

Number of received RS packets.

router advertisement

Number of received RA packets.

redirect

Number of received or sent redirect packets.

router renumbering

Number of received packets with router renumbering.

unreachable no route

Number of sent packets to report the error that no route is available to the destination.

unreachable admin

Number of sent packets to report the error that the communication with the destination is administratively prohibited.

unreachable beyond scope

Number of sent packets to report the error that the source addresses is beyond the scope.

unreachable address

Number of address unreachable packets that have been sent.

unreachable no port

Number of port unreachable packets that have been sent.

time exceed transit

Number of sent packets to report the time exceeded in transmit error.

time exceed reassembly

Number of sent packets to report the fragment reassembly time exceeded error.

ratelimited

Number of packets that were not sent out because of the rate limit.

other errors

Number of sent packets with other errors.

Ten-GigabitEthernet3/0/1 current state

Physical state of the interface:

·     Administratively DOWN—The interface has been administratively shut down by using the shutdown command.

·     DOWN—The interface is administratively up but its physical state is down, possibly because of a connection or link failure.

·     UP—The administrative and physical states of the interface are both up.

Line protocol current state

Link layer state of the interface:

·     DOWN—The link layer protocol state of the interface is down.

·     UP—The link layer protocol state of the interface is up.

IPv6 is enabled

IPv6 is enabled on the interface. This feature is automatically enabled after an IPv6 address is configured for an interface.

link-local address

Link-local address of the interface.

Global unicast address(es)

Global unicast addresses of the interface.

IPv6 address states:

·     TENTATIVE—Initial state. DAD is being performed or is to be performed on the address.

·     DUPLICATE—The address is not unique on the link.

·     PREFERRED—The address is preferred and can be used as the source or destination address of a packet. If an address is in this state, the command does not display the address state.

·     DEPRECATED—The address is beyond the preferred lifetime but in the valid lifetime. It is valid, but it cannot be used as the source address for a new connection. Packets destined for the address are processed correctly.

If a global unicast address is not manually configured, the following notations indicate how the address is obtained:

·     AUTOCFG—Stateless autoconfigured.

·     DHCP—Assigned by a DHCPv6 server.

·     EUI-64—Manually configured EUI-64 IPv6 address.

·     RANDOM—Random address automatically generated.

If the address is a manually configured anycast address, it is noted with ANYCAST.

valid lifetime

Specifies how long autoconfigured global unicast addresses using a prefix are valid.

preferred lifetime

Specifies how long autoconfigured global unicast addresses using a prefix are preferred.

Joined group address(es)

Addresses of the multicast groups that the interface has joined.

MTU

MTU of the interface.

ND DAD is enabled, number of DAD attempts

DAD is enabled.

·     If DAD is enabled, this field displays the number of attempts to send an NS message for DAD (set by using the ipv6 nd dad attempts command).

·     If DAD is disabled, this field displays ND DAD is disabled. To disable DAD, set the number of attempts to 0.

ND reachable time

Time during which a neighboring device is reachable.

ND retransmit interval

Interval for retransmitting an NS message.

Hosts use stateless autoconfig for addresses

Hosts obtained IPv6 addresses through stateless autoconfiguration.

InReceives

Received IPv6 packets, including error messages.

InTooShorts

Received IPv6 packets that are too short. For example, the received IPv6 packet is less than 40 bytes.

InTruncatedPkts

Received IPv6 packets with a length less than the payload length field specified in the packet header.

InHopLimitExceeds

Received IPv6 packets with a hop count exceeding the hop limit field specified in the packet header.

InBadHeaders

Received IPv6 packets with incorrect basic headers.

InBadOptions

Received IPv6 packets with incorrect extension headers.

ReasmReqds

Received IPv6 fragments.

ReasmOKs

Number of reassembled IPv6 packets.

InFragDrops

Received IPv6 fragments that are discarded because of certain errors.

InFragTimeouts

Received IPv6 fragments that are discarded because the amount of time they stay in the system buffer exceeds the specified interval.

OutFragFails

IPv6 packets that fail to be fragmented on the output interface.

InUnknownProtos

Received IPv6 packets with unknown or unsupported protocol type.

InDelivers

Received IPv6 packets that are delivered to user protocols (such as ICMPv6, TCP, and UDP).

OutRequests

Local IPv6 packets sent by IPv6 user protocols.

OutForwDatagrams

IPv6 packets forwarded by the interface.

InNoRoutes

Received IPv6 packets that are discarded because no matching route can be found.

InTooBigErrors

Received IPv6 packets that fail to be forwarded because they exceeded the path MTU.

OutFragOKs

Fragmented IPv6 packets on the output interface.

OutFragCreates

Number of IPv6 fragments on the output interface.

InMcastPkts

Received IPv6 multicast packets.

InMcastNotMembers

Received IPv6 multicast packets that are discarded because the interface is not in the multicast group.

OutMcastPkts

IPv6 multicast packets sent by the interface.

InAddrErrors

Received IPv6 packets that are discarded due to invalid destination addresses.

InDiscards

Received IPv6 packets that are discarded due to resource problems rather than packet errors.

OutDiscards

IPv6 packets that fail to be sent due to resource problems rather than packet errors.

*down: administratively down

The interface has been administratively shut down by using the shutdown command.

(s): spoofing

Spoofing attribute of the interface. The link protocol state of the interface is up, but the link is temporarily established on demand or does not exist.

Interface

Name of the interface.

Physical

Physical state of the interface:

·     *down—The interface has been administratively shut down by using the shutdown command.

·     down—The interface is administratively up but its physical state is down, possibly because of a connection or link failure.

·     up—The administrative and physical states of the interface are both up.

Protocol

Link layer protocol state of the interface:

·     down—The network layer protocol state of the interface is down.

·     up—The network layer protocol state of the interface is up.

IPv6 Address

IPv6 address of the interface.

·     If multiple global unicast addresses are configured, this field displays the lowest address.

·     If no global unicast address is configured, this field displays the link-local address.

·     If no address is configured, this field displays Unassigned.

Prefix

IPv6 address prefix.

Origin

How the prefix is generated:

·     STATIC—Manually configured by using the ipv6 nd ra prefix command.

·     RA—Advertised in RA messages after stateless autoconfiguration is enabled.

·     ADDRESS—Generated by a manually configured address.

Age

Aging time in seconds. If the prefix does not age out, this field displays a hyphen (-).

Flag

Flags carried in RA messages. If no flags are available, this field displays a hyphen (-).

·     L—The address with the prefix is directly reachable on the link.

·     A—The prefix is used for stateless autoconfiguration.

·     N—The prefix is not advertised in RA messages.

Lifetime

Lifetime in seconds advertised in RA messages. If the prefix does not need to be advertised, this field displays a hyphen (-).

·     Valid—Valid lifetime of the prefix.

·     Preferred—Preferred lifetime of the prefix.

Operate

Type of the ND entry operation:

·     ADD—Add the ND entry.

·     MOD—Modify the ND entry.

·     DEL—Delete the ND entry.

Reason

Source of the ND log message:

·     M-LAGMSG—Added in response to an ND entry update message from the M-LAG module.

·     PKTLEARN—Added by learning from an IPv6 packet.

·     STATICMSG—Added through static configuration.

·     ADDBYRULE—Added by the IPoE or portal feature.

·     ADDBYOP—Added by the OpenFlow feature.

·     ADDBYMSG—Added through ND entry synchronization.

·     ADDWADJ—Added in response to an IPv6 adjacency entry refresh message sent by the WAN link adjacency table module.

·     ADDWADJSYN—Added in response to an inter-card IPv6 adjacency entry synchronization message sent by the WAN link adjacency table module.

·     DRVRELOAD—Added in response to the ND update operation done in the driver.

·     ADDBYVSRP—Added through ND entry adding on the VSRP module.

·     STATICEVENT—Added through ND entry update in response to a long static entry event.

·     SYNCWITHDRV—Added in synchronization with the driver.

·     RELOADBYPW—Added in response to the PW reload operation.

·     DELBYLINKLOCAL—Added because an unassociated link-local address was removed from the driver and the corresponding ND entry was deleted.

·     DELBYVSRP—Added through ND entry deletion by VSRP.

·     DELBYNODUMMY—Added because an ND entry without a DUMMY entry was deleted.

·     DELBYSMOOTH—Added because ND entries were deleted upon ND entry smoothing.

·     DELBYRULE—Added because of ND entry deletion through the IPoE or portal feature.

·     DELBYSTATIC—Added because of ND entry deletion through static configuration.

·     DELBYBEFORESMOOTH—Added because invalid ND entries were deleted before smoothing.

·     DELCONFIGIPIF—Added because ND entries were deleted upon an IPv6 address or interface conflict.

·     DELNDSYN—Added because ND entries were deleted upon an inter-card ND entry synchronization.

·     DELWADJMSG—Added because an IPv6 adjacency entry was deleted from the WAN link adjacency table.

·     DELWADJIFMSG—Added because IPv6 adjacency entries were deleted from the WAN link adjacency table by interface.

·     DELWADJBI—Added because IPv6 adjacency entries were deleted upon reception of the entry deletion message sent from the WAN link adjacency table module to the link layer in the kernel.

·     DELWADJDUMMY—Added because DUMMY entries were deleted by the WAN link adjacency table module.

·     DELWADJIFEVENT—Added because IPv6 adjacency entries were deleted by the WAN link adjacency table module in response to an interface event.

·     DELWADJALL—Added because all IPv6 adjacency entries were deleted from the WAN link adjacency table.

·     DELWADJ—Added because an IPv6 adjacency entry was deleted from the WAN link adjacency table.

·     DELWADJSAGE—Added because IPv6 adjacency entries that aged out were deleted from the WAN link adjacency table.

·     DELWADJIFSYN—Added because IPv6 adjacency entries were deleted from the WAN link adjacency table in response to interface entry synchronization.

·     DELWADJSYNMSG—Added because IPv6 adjacency entries were deleted from the WAN link adjacency table in response to inter-card entry synchronization.

·     DELWADJSMOOTH—Added because IPv6 adjacency entries were deleted upon entry smoothing done by the WAN link adjacency table module.

·     DELWADJPULLFINISH—Added because IPv6 adjacency entries were deleted after the WAN link adjacency table module successfully obtained entries in bulk.

·     DELPORTLVLAN—Added because ND entries were deleted upon removal of the port from the VLAN.

·     DELVLANMODCHG—Added because ND entries were deleted upon VLAN mode change.

·     DELLIMIT—Added because ND entries were deleted when the number of ND entries had reached the limit.

·     DELNDBYIPIF—Added because ND entries were deleted from the specified IPv6 address or interface.

·     DELNDBYIFAGG—Added because ND entries were deleted after the interface was added to a link aggregation group.

·     DELNDBYNODE—Added upon deletion of ND entries by slot.

·     DELNDBYALL—Added upon deletion of all ND entries.

·     DELNDBYALLEM—Added upon deletion of all ND entries from non-management interfaces.

·     DELNDBYPW—Added upon deletion of ND entries from a PW.

·     DELNDBYTCPKEEP—Added upon deletion of ND entries through the topology change notification (TCN) flag.

·     DELBYPULLFINISH—Added because of deletion of ND entries upon a successful batch data pull.

·     DELSTATICCONFLICT—Added because of deletion of ND entries upon a static configuration conflict.

·     DELBYSPANSEG—Added upon deletion of cross-subnet ND entries.

·     DELBYSPANSEGBYIPIF—Added upon deletion of cross-subnet ND entries from the specified IPv6 address or interface.

·     DELINCOMBYALL—Added upon deletion of all ND entries in Incomplete state.

·     DELINCOMBYIF—Added upon deletion of ND entries in Incomplete state from the specified interface.

·     DELINCOMBYNODE—Added upon deletion of ND entries in Incomplete state from the specified card.

·     DELNDBYNETDOWN—Added because ND entries were deleted upon a down event in the network layer.

·     DELNDBYLINKDOWN—Added because ND entries were deleted upon a down event in the link layer.

IP

IPv6 address in the ND entry.

Mac

MAC address in the ND entry.

Interface

Output interface associated with the ND entry.

SVLAN

Service provider VLAN.

CVLAN

Customer VLAN.

Time

Time when the ND log message was generated.

Field

Description

IPv6 address

IPv6 address of a user.

System time

Time when the user IPv6 address conflict occurred.

Conflict count

Number of conflict times.

Log suppress count

Number of times user IPv6 address conflict log generation has been suppressed.

Old interface

Output interface in the old ND entry.

New interface

Output interface in the new ND entry.

Old SVLAN/CVLAN

ID of the outer VLAN or inner VLAN in the old ND entry. This field displays hyphens (--) if the ND entry does not belong to any outer VLAN or inner VLAN.

New SVLAN/CVLAN

ID of the outer VLAN or inner VLAN in the new ND entry. This field displays hyphens (--) if the ND entry does not belong to any outer VLAN or inner VLAN.

Old MAC

MAC address in the old ND entry.

New MAC

MAC address in the new ND entry.

IPv6 address

IPv6 address of the neighbor.

MAC address

MAC address of the neighbor.

VLAN/VSI

VLAN or VSI to which the neighbor belongs. This field displays hyphens (--) if the neighbor does not belong to a VLAN or VSI.

Interface

Interface connected to the neighbor.

·     If the neighbor entry does not belong to a VSI, this field displays the interface name. If the interface name is not available, the field displays hyphens (--).

·     If the neighbor entry belongs to a VSI and the interface is a tunnel interface, the displayed value depends on the address resolution status.

¡     If the address is not resolved, this field displays the VSI.

¡     If the address is resolved, this field displays the tunnel interface ID.

·     If the neighbor entry belongs to a VSI but the interface is not a tunnel interface, the displayed value depends on the address resolution status.

¡     If the address is not resolved, this field displays the VSI.

¡     If the address is resolved, this field displays the interface.

·     In an L2VPN access to L3VPN network, this field displays the L3VE interface or L3VE subinterface connected to the neighbor and the associated L2VE interface or L2VE subinterface.

State

State of the neighbor:

·     INCMP—The address is being resolved. The link layer address of the neighbor is unknown.

·     REACH—The neighbor is reachable.

·     STALE—Whether the neighbor is reachable is unknown. The device does not verify the reachability any longer unless data is sent to the neighbor.

·     DELAY—Whether the neighbor is reachable is unknown. The device does not send an NS message in the delay period.

·     PROBE—Whether the neighbor is reachable is unknown. The device sends an NS message to probe the reachability of the neighbor.

Type

Neighbor information type:

·     Static—Statically configured.

·     Dynamic—Dynamically obtained.

·     Openflow—Learned from the OpenFlow module.

·     Rule—Learned from the Portal module.

·     Invalid static—Invalid static configuration.

Aging

Reachable time of the neighbor:

·     For a static neighbor entry, this field displays hyphens (--), representing the neighbor entry never expires.

·     For a dynamic entry, this field displays the elapsed time in seconds. If the neighbor is never reachable, this field displays a pound sign (#).

SVLAN/CVLAN

SVLAN and CVLAN to which the interface connected to the neighbor belongs. This field displays hyphens (--) if the interface does not belong to a VLAN.

VPN instance

‌

Name of a VPN instance. This field displays hyphens (--) if the no VPN instance is configured.

Service instance

‌

Ethernet service instance. If the neighbor entry does not belong to any Ethernet service instance for the related Layer 2 Ethernet interface or Layer 2 aggregate interface, this field displays hyphens (--).

Link ID

‌

ID of the link that connects to the neighbor. This field displays hyphens (--) if the neighbor entry does not belong to a VSI.

The link ID is a string with a maximum of eight hexadecimal numbers.

VXLAN ID

‌

VXLAN ID of the neighbor entry. This field displays hyphens (--) if the VXLAN ID associated with the VSI is not specified.

VSI name

‌

VSI name of the neighbor entry. This field displays hyphens (--) if the neighbor entry does not belong to a VSI.

VSI interface

‌

VSI interface associated with the VSI. This field displays hyphens (--) if the associated VSI interface is not specified.

Nickname

‌

Nickname of a neighbor entry. The name is a string of four hexadecimal numbers. F

IPv6 address

IPv6 address of the neighbor.

MAC address

MAC address of the neighbor.

VLAN/VSI

VLAN ID or VSI index of the neighbor entry. This field displays hyphens (--) if the neighbor does not belong to any VLAN or VSI.

Interface

Interface connected to a neighbor.

State

Neighbor state:

·     INCMP—The address is being resolved. The link layer address of the neighbor is unknown.

·     REACH—The neighbor is reachable.

·     STALE—Whether the neighbor is reachable is unknown. The device does not verify the reachability any longer unless data is sent to the neighbor.

·     DELAY—Whether the neighbor is reachable is unknown. The device sends an NS message after a delay.

·     PROBE—Whether the neighbor is reachable is unknown. The device sends an NS message to verify the reachability of the neighbor.

T

Neighbor information type:

·     Static—Statically configured.

·     Dynamic—Dynamically obtained.

·     Openflow—Learned from the OpenFlow module.

·     Rule—Learned from the IPoE module.

·     Invalid static—Invalid static configuration.

Aging

Reachable time of the neighbor:

·     For a static neighbor entry, this field displays hyphens (--), representing the neighbor entry never expires.

·     For a dynamic entry, this field displays the elapsed time in seconds. If the neighbor is never reachable, this field displays a pound sign (#).

Field

Description

Source route IPv6 packets dropped

Number of dropped IPv6 packets that contain the source route option.

PathMTU

Path MTU value on the network path to an IPv6 address.

Age

Time for a path MTU to live. For a static path MTU, this field displays a hyphen (-).

Type

Path MTU type:

·     Dynamic—Dynamically negotiated.

·     Static—Statically configured.

Total number of entries

Total number of path MTU entries.

Number

Prefix ID.

Type

Prefix type:

·     Static—Static IPv6 prefix.

·     Dynamic—Dynamic IPv6 prefix.

Prefix

Prefix and its length. If no prefix is obtained, this field displays Not-available.

Preferred lifetime 90 sec

Preferred lifetime in seconds. For a static IPv6 prefix, this field is not displayed.

valid lifetime 120 sec

Valid lifetime in seconds. For a static IPv6 prefix, this field is not displayed.

Field

Description

Total number of proxy-forward entries

Total number of the proxy module entries cached on the MPU.

SIP

Source IP address of the data flow.

DIP

Destination IP address of the data flow.

Pro

Protocol number of the data flow.

ProxyNode

Proxy module number.

Local Addr

Local IPv6 address.

Foreign Addr

Peer IPv6 address.

Protocol

Protocol number.

PCB

PCB index.

Total RawIP socket number

Total number of IPv6 RawIP sockets.

Connection info

Connection information, including the source and destination IPv6 addresses.

Location

Socket location.

Creator

Task name of the socket. The process number is in the square brackets.

State

Socket state:

·     NOFDREF—The user has closed the connection.

·     ISCONNECTED—The connection has been established.

·     ISCONNECTING—The connection is being established.

·     ISDISCONNECTING—The connection is being interrupted.

·     ASYNC—Asynchronous mode.

·     ISDISCONNECTED—The connection has been terminated.

·     ISSMOOTHING—Cross-card data smoothing is in progress.

·     CANBIND—The socket supports the bind operation.

·     PROTOREF—Indicates strong protocol reference.

·     ISPCBSYNCING—Cross-card PCB synchronization is in progress.

·     N/A—None of above state.

Options

Socket options:

·     SO_DEBUG—Records socket debugging information.

·     SO_ACCEPTCONN—Enables the server to listen connection requests.

·     SO_REUSEADDR—Allows the local address reuse.

·     SO_KEEPALIVE—Requires the protocol to test whether the connection is still alive.

·     SO_DONTROUTE—Bypasses the routing table query for outgoing packets because the destination is in a directly connected network.

·     SO_BROADCAST—Supports broadcast packets.

·     SO_LINGER—Closes the socket. The system can still send remaining data in the socket send buffer.

·     SO_OOBINLINE—Stores the out-of-band data in the input queue.

·     SO_REUSEPORT—Allows the local port reuse.

·     SO_TIMESTAMP—Records the timestamps of the incoming packets, accurate to milliseconds. This option is applicable to protocols that are not connection orientated.

·     SO_NOSIGPIPE—Disables the socket from sending data. As a result, a sigpipe cannot be established when a return failure occurs.

·     SO_TIMESTAMPNS—Has a similar function with the timestamp, accurate to nanoseconds.

·     SO_KEEPALIVETIME—Sets a keepalive time. This option is supported in TCP.

·     SO_FILTER—Supports setting the packet filter criterion. This option is available for OSI Socket and RawIP.

·     SO_USCBINDEX—Obtains the user profile index from the received packets.

·     SO_SEQPACKET—Preserves the boundaries of packets sent to the socket buffer.

·     SO_FILLTWAMPTIME—Sets the timestamp for TWAMP.

·     SO_LOCAL—Local socket option.

·     SO_NBMAADDR—Obtains the remote NBMA address of the ADVPN tunnel.

·     SO_DONTDELIVER—Do not deliver the data to the application.

·     SO_UCM—Sets the IPoE enabling status.

·     SO_RAWSLOT—Raw slot.

·     SO_LEASEDUSERID—Obtains a usable lease.

·     N/A—No options are set.

Error

Error code.

Receiving buffer(cc/hiwat/lowat/drop/state)

Displays receive buffer information in the following order:

·     cc—Used space.

·     hiwat—Maximum space.

·     lowat—Minimum space.

·     drop—Number of dropped packets.

·     state—Buffer state:

¡     CANTSENDMORE—Unable to send data to the peer.

¡     CANTRCVMORE—Unable to receive data from the peer.

¡     RCVATMARK—Receiving tag.

¡     N/A—None of the above states.

Sending buffer(cc/hiwat/lowat/state)

Displays send buffer information in the following order:

·     cc—Used space.

·     hiwat—Maximum space.

·     lowat—Minimum space.

·     state—Buffer state:

¡     CANTSENDMORE—Unable to send data to the peer.

¡     CANTRCVMORE—Unable to receive data from the peer.

¡     RCVATMARK—Receiving tag.

¡     N/A—None of the above states.

Type

Socket type:

·     1—SOCK_STREAM. This socket uses TCP to provide reliable transmission of byte streams.

·     2—SOCK_DGRAM. This socket uses UDP to provide datagram transmission.

·     3—SOCK_RAW. This socket allows an application to change the next upper-layer protocol header.

·     N/A—None of the above types.

Protocol

Number of protocol using the socket. 58 represents ICMP.

Inpcb flags

Flags in the Internet PCB:

·     INP_RECVOPTS—Receives IPv6 options.

·     INP_RECVRETOPTS—Receives replied IPv6 options.

·     INP_RECVDSTADDR—Receives destination IPv6 address.

·     INP_HDRINCL—Provides the entire IPv6 header.

·     INP_REUSEADDR—Reuses the IPv6 address.

·     INP_REUSEPORT—Reuses the port number.

·     INP_ANONPORT—Port number not specified.

·     INP_PROTOCOL_PACKET—Identifies a protocol packet.

·     INP_RCVVLANID—Receives the VLAN ID of the packet. Only UDP and RawIP support this flag.

·     IN6P_IPV6_V6ONLY—Only supports IPv6 protocol stack.

·     IN6P_PKTINFO—Receives the source IPv6 address and input interface of the packet.

·     IN6P_HOPLIMIT—Receives the hop limit.

·     IN6P_HOPOPTS—Receives the hop-by-hop options extension header.

·     IN6P_DSTOPTS—Receives the destination options extension header.

·     IN6P_RTHDR—Receives the routing extension header.

·     IN6P_RTHDRDSTOPTS—Receives the destination options extension header preceding the routing extension header.

·     IN6P_TCLASS—Receives the traffic class of the packet.

·     IN6P_AUTOFLOWLABEL—Attaches a flow label automatically.

·     IN6P_RFC2292—Uses the API specified in RFC 2292.

·     IN6P_MTU—Discovers differences in the MTU size of every link along a given data path. TCP does not support this flag.

·     INP_RCVMACADDR—Receives the MAC address of the frame.

·     INP_USEICMPSRC—Uses the specified IPv6 address as the source IPv6 address for outgoing ICMP packets.

·     INP_SYNCPCB—Waits until Internet PCB is synchronized.

·     INP_LOCAL—Preferentially matches the INPCB with this flag on the same card.

·     N/A—None of the above flags.

Inpcb extflag

Extension flags in the Internet PCB:

·     INP_EXTRCVPVCIDX—Records the PVC index of the received packet.

·     INP_RCVPWID—Records the PW ID of the received packet.

·     INP_EXTRCVICMPERR—Receives an ICMP error packet.

·     INP_EXTFILTER—Filters the contents in the received packet.

·     INP_EXTDONTDROP—Do not drop the received packet.

·     INP_EXLISTEN—Adds the INPCB carrying this flag to the listen hash table.

·     INP_SELECTMATCHSRCBYFIB—Uses the FIB table to select a matching source.

·     INP_EXTPRIVATESOCKET—Associates the INPCB with the NSR private socket.

·     INP_EXTNOCACHEPKT—Do not cache packets.

·     INP_EXTRCVVLANDOT1P—Obtains the Dot1p value of the VLAN tag in the received packet.

·     INP_EXTSNDDATAIF—Sets the output interface of data.

·     INP_EXTFREEBIND—The socket is not bound to an address or port.

·     INP_EXTRCVUPID—Obtains the UP ID from the received packet in the UCM control-/user-plane separated (CUPS) network.

·     INP_EXTINNERPROXY—Receives packets forwarded by the proxy.

·     INP_EXLISTENNET—Sets this flag when the connection information is added to the network segment linked list.

·     N/A—None of the above flags.

Inpcb vflag

IP version flag in the Internet PCB:

·     INP_IPV4—IPv4 protocol.

·     INP_IPV6—IPv6 protocol.

·     INP_IPV6PROTO—Creates an Internet PCB based on IPv6 protocol.

·     INP_TIMEWAIT—In TIMEWAIT state.

·     INP_ONESBCAST—Sends broadcast packets.

·     INP_DROPPED—Protocol dropped flag.

·     INP_SOCKREF—Strong socket reference.

·     INP_DONTBLOCK—Do not block synchronization of the Internet PCB.

·     N/A—None of the above flags.

Hop limit

Hop limit in the Internet PCB.

Send VRF

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Sending instances.

Receive VRF

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Receiving instances.

Field

Description

Total number of ip-cache entries

Total number of cached entries for packet destination IPv6 addresses.

IPv6 address

Packet destination IPv6 address.

Traffic Flag

Traffic flag of the IPv6 cached entry:

·     0x0—The IPv6 cached entry on this device do not have traffic queries, and the entry does not age. When the entry ages on other devices, it will be synchronously deleted.

·     0x1—The IPv6 cached entry on this device have traffic queries, and the system will start an aging timer for the entry. After the timer expires, the entry is deleted.

Status

Status of the IPv6 cached entry:

·     BN-Before Notify—The entry has not been notified to routing.

·     N-Notified—The entry has been notified to routing.

·     RS-Refresh Start—The routing table starts to issue entries.

·     RE-Refresh End—Entry issuing by the routing table is complete.

Aging time

For IPv6 cached entries without traffic marking, the aging time field is set to "-," which indicates that no aging time exists for the entry. For entries with traffic marking, this field may display the aging time in seconds or displays a hyphen (-) if the aging time cannot be obtained.

Field

Description

IPv6 statistics:

IPv6 packet statistics.

Sent packets:

Total:

Sent locally:

Forwarded:

Raw packets:

Discarded:

Fragments:

Fragments failed:

Routing failed:

Statistics for sent IPv6 packets:

·     Total—Total number of packets that have been locally sent and forwarded.

·     Sent locally—Number of locally sent packets.

·     Forwarded—Number of forwarded packets.

·     Raw packets—Number of packets sent by using a raw socket.

·     Discarded—Number of discarded packets.

·     Fragments—Number of sent fragments.

·     Fragments failed—Number of fragments that were failed to send.

·     Routing failed—Number of packets with routing failures.

Received packets:

Total:

Received locally:

Hop limit exceeded:

Fragments:

Reassembled:

Reassembly failures:

Reassembly timeout:

Format errors:

Option errors:

Protocol errors:

Statistics for received IPv6 packets:

·     Total—Total number of received packets.

·     Received locally—Number of received packets that are destined for the device.

·     Hop limit exceeded—Number of packets with hop limit exceeded.

·     Fragments—Number of received fragments.

·     Reassembled—Number of reassembled packets.

·     Reassembly failures—Number of packets with reassembly failures.

·     Reassembly timeout—Number of packets with reassembly timed out.

·     Format errors—Number of packets with format errors.

·     Option errors—Number of packets with option errors.

·     Protocol errors—Number of packets with protocol errors.

ICMPv6 statistics:

ICMPv6 message statistics.

Sent packets:

Total:

Unreached:

Too big:

Hop limit exceeded:

Reassembly timeouts:

Parameter problems:

Echo requests:

Echo replies:

Neighbor solicits:

Neighbor adverts:

Router solicits:

Router adverts:

Redirects:

Router renumbering

Sent failed:

Rate limitation:

Other errors:

Statistics for sent ICMPv6 messages:

·     Total—Total number of sent messages.

·     Unreached—Number of Destination Unreachable messages.

·     Too big—Number of Packet Too Big messages.

·     Hop limit exceeded—Number of Hop Limit Exceeded messages.

·     Reassembly timeouts—Number of Fragment Reassembly Time Exceeded messages.

·     Parameter problems—Number of Parameter Problem messages.

·     Echo requests—Number of Echo Requests.

·     Echo replies—Number of Echo Replies.

·     Neighbor solicits—Number of Neighbor Solicitation messages.

·     Neighbor adverts—Number of Neighbor Advertisement messages.

·     Router solicits—Number of Router Solicitation messages.

·     Router adverts—Number of Router Advertisement messages.

·     Redirects—Number of Redirect messages.

·     Router renumbering—Number of Router Renumbering messages.

·     Sent failed—Number of messages that were failed to send locally.

·     Rate limitation—Number of unsent messages because of rate limiting.

·     Other errors—Number of messages with other errors.

Received packets:

Total:

Checksum errors:

Too short:

Bad codes:

Unreachable:

Too big:

Hop limit exceeded:

Reassembly timeouts:

Parameter problems:

Unknown error types:

Echo requests:

Echo replies:

Neighbor solicits:

Neighbor adverts:

Router solicits:

Router adverts:

Redirects:

Router renumbering:

Unknown info types:

Deliver failed:

Bad length:

Statistics for received ICMPv6 messages:

·     Total—Total number of received messages.

·     Checksum errors—Number of messages with checksum errors.

·     Too short—Number of messages with a too short length.

·     Bad codes—Number of messages with error codes.

·     Unreached—Number of Destination Unreachable messages.

·     Too big—Number of Packet Too Big messages.

·     Hop limit exceeded—Number of Hop Limit Exceeded messages.

·     Reassembly timeouts—Number of Fragment Reassembly Time Exceeded messages.

·     Parameter problems—Number of  Parameter Problem messages.

·     Unknown error types—Number of messages with unknown error types.

·     Echo requests—Number of Echo Requests.

·     Echo replies—Number of Echo Replies.

·     Neighbor solicits—Number of Neighbor Solicitation messages.

·     Neighbor adverts—Number of Neighbor Advertisement messages.

·     Router solicits—Number of Router Solicitation messages.

·     Router adverts—Number of Router Advertisement messages.

·     Redirects—Number of Redirect messages.

·     Router renumbering—Number of Router Renumbering messages.

·     Unknown info types—Number of messages with unknown information types.

·     Deliver failed—Number of messages with local delivery failures.

·     Bad length—Number of messages with error length.

*

Indicates that the TCP connection uses authentication.

LAddr->port

Local IPv6 address and port number.

FAddr->port

Peer IPv6 address and port number.

State

IPv6 TCP connection state:

·     CLOSED—The server receives a disconnection request's reply from the client.

·     LISTEN—The server is waiting for connection requests.

·     SYN_SENT—The client is waiting for the server to reply to the connection request.

·     SYN_RCVD—The server receives a connection request.

·     ESTABLISHED—The server and client have established connections and can transmit data bidirectionally.

·     CLOSE_WAIT—The server receives a disconnection request from the client.

·     FIN_WAIT_1—The client is waiting for the server to reply to a disconnection request.

·     CLOSING—The server and client are waiting for peer's disconnection reply when receiving disconnection requests from each other.

·     LAST_ACK—The server is waiting for the client to reply to a disconnection request.

·     FIN_WAIT_2—The client receives a disconnection reply from the server.

·     TIME_WAIT—The client receives a disconnection request from the server.

PCB

PCB index.

TCP inpcb number

Number of IPv6 TCP Internet PCBs.

Connection info

Connection information, including source IPv6 address and port number, and destination IPv6 address and port number.

Location

Socket location.

tcpcb number

Number of IPv6 TCP PCBs (excluding PCBs of TCP in TIME_WAIT state).

Creator

Task name of the socket. The process number is in the square brackets.

State

Socket state:

·     NOFDREF—The user has closed the connection.

·     ISCONNECTED—The connection has been established.

·     ISCONNECTING—The connection is being established.

·     ISDISCONNECTING—The connection is being interrupted.

·     ASYNC—Asynchronous mode.

·     ISDISCONNECTED—The connection has been terminated.

·     ISSMOOTHING—Cross-card data smoothing is in progress.

·     CANBIND—The socket supports the bind operation.

·     PROTOREF—Indicates strong protocol reference.

·     ISPCBSYNCING—Cross-card PCB synchronization is in progress.

·     N/A—None of above state.

Options

Socket options:

·     SO_DEBUG—Records socket debugging information.

·     SO_ACCEPTCONN—Enables the server to listen connection requests.

·     SO_REUSEADDR—Allows the local address reuse.

·     SO_KEEPALIVE—Requires the protocol to test whether the connection is still alive.

·     SO_DONTROUTE—Bypasses the routing table query for outgoing packets because the destination is in a directly connected network.

·     SO_BROADCAST—Supports broadcast packets.

·     SO_LINGER—Closes the socket. The system can still send remaining data in the socket send buffer.

·     SO_OOBINLINE—Stores the out-of-band data in the input queue.

·     SO_REUSEPORT—Allows the local port reuse.

·     SO_NOSIGPIPE—Disables the socket from sending data. As a result, a sigpipe cannot be established when a return failure occurs.

·     SO_TIMESTAMPNS—Has a similar function with the timestamp, accurate to nanoseconds.

·     SO_KEEPALIVETIME—Sets a keepalive time. This option is supported in TCP.

·     SO_FILTER—Supports setting the packet filter criterion. This option is available for OSI Socket and RawIP.

·     SO_SEQPACKET—Preserves the boundaries of packets sent to the socket buffer.

·     SO_USCBINDEX—Obtains the user profile index from the received packets.

·     SO_FILLTWAMPTIME—Sets the timestamp for TWAMP.

·     SO_LOCAL—Local socket option.

·     SO_NBMAADDR—Obtains the remote NBMA address of the ADVPN tunnel.

·     SO_DONTDELIVER—Do not deliver the data to the application.

·     SO_UCM—Sets the IPoE enabling status.

·     SO_RAWSLOT—Raw slot.

·     SO_LEASEDUSERID—Obtains a usable lease.

·     N/A—No options are set.

Error

Error code.

Receiving buffer(cc/hiwat/lowat/drop/state)

Displays receive buffer information in the following order:

·     cc—Used space.

·     hiwat—Maximum space.

·     lowat—Minimum space.

·     drop—Number of dropped packets.

·     state—Buffer state:

¡     CANTSENDMORE—Unable to send data to the peer.

¡     CANTRCVMORE—Unable to receive data from the peer.

¡     RCVATMARK—Receiving tag.

¡     N/A—None of the above states.

Sending buffer(cc/hiwat/lowat/state)

Displays send buffer information in the following order:

·     cc—Used space.

·     hiwat—Maximum space.

·     lowat—Minimum space.

·     state—Buffer state:

¡     CANTSENDMORE—Unable to send data to the peer.

¡     CANTRCVMORE—Unable to receive data from the peer.

¡     RCVATMARK—Receiving tag.

¡     N/A—None of the above states.

Type

Socket type:

·     1—SOCK_STREAM. This socket uses TCP to provide reliable transmission of byte streams.

·     2—SOCK_DGRAM. This socket uses UDP to provide datagram transmission.

·     3—SOCK_RAW. This socket allows an application to change the next upper-layer protocol header.

·     N/A—None of the above types.

SocketFd

Used socket information.

Reference count

Reference counter for the socket.

so_file

So_file pointer.

so_inode

So_inode pointer.

Protocol

Number of the protocol using the socket. 6 represents TCP.

Inpcb flags

Flags in the Internet PCB:

·     INP_RECVOPTS—Receives IPv6 options.

·     INP_RECVRETOPTS—Receives replied IPv6 options.

·     INP_RECVDSTADDR—Receives destination IPv6 address.

·     INP_HDRINCL—Provides the entire IPv6 header.

·     INP_REUSEADDR—Reuses the IPv6 address.

·     INP_REUSEPORT—Reuses the port number.

·     INP_ANONPORT—Port number not specified.

·     INP_PROTOCOL_PACKET—Identifies a protocol packet.

·     INP_RCVVLANID—Receives the VLAN ID of the packet. Only UDP and RawIP support this flag.

·     IN6P_IPV6_V6ONLY—Only supports IPv6 protocol stack.

·     IN6P_PKTINFO—Receives the source IPv6 address and input interface of the packet.

·     IN6P_HOPLIMIT—Receives the hop limit.

·     IN6P_HOPOPTS—Receives the hop-by-hop options extension header.

·     IN6P_DSTOPTS—Receives the destination options extension header.

·     IN6P_RTHDR—Receives the routing extension header.

·     IN6P_RTHDRDSTOPTS—Receives the destination options extension header preceding the routing extension header.

·     IN6P_TCLASS—Receives the traffic class of the packet.

·     IN6P_AUTOFLOWLABEL—Attaches a flow label automatically.

·     IN6P_RFC2292—Uses the API specified in RFC 2292.

·     IN6P_MTU—Discovers differences in the MTU size of every link along a given data path. TCP does not support this flag.

·     INP_RCVMACADDR—Receives the MAC address of the frame.

·     INP_SYNCPCB—Waits until Internet PCB is synchronized.

·     INP_LOCAL—Preferentially matches the INPCB with this flag on the same card.

·     N/A—None of the above flags.

Inpcb extflag

Extension flags in the Internet PCB:

·     INP_EXTRCVPVCIDX—Records the PVC index of the received packet.

·     INP_RCVPWID—Records the PW ID of the received packet.

·     INP_EXTDONTDROP—Does not drop the received packet.

·     INP_EXLISTEN—Listens to the socket.

·     INP_EXTFILTER—Filters the contents in the received packets.

·     INP_SELECTMATCHSRCBYFIB—Uses the FIB table to select a matching source.

·     INP_EXTRCVICMPERR—Receives an ICMP error packet.

·     INP_EXTPRIVATESOCKET—Associates the INPCB with the NSR private socket.

·     INP_EXTNOCACHEPKT—Do not cache packets.

·     INP_EXTRCVVLANDOT1P—Obtains the Dot1p value of the VLAN tag in the received packet.

·     INP_EXTSNDDATAIF—Sets the output interface of data.

·     INP_EXTFREEBIND—The socket is not bound to an address or port.

·     INP_EXTRCVUPID—Obtains the UP ID from the received packet in the UCM control-/user-plane separated (CUPS) network.

·     INP_EXTINNERPROXY—Receives packets forwarded by the proxy.

·     INP_EXLISTENNET—Sets this flag when the connection information is added to the network segment linked list.

·     N/A—None of the above flags.

Inpcb vflag

IP version flags in the Internet PCB:

·     INP_IPV4—IPv4 protocol.

·     INP_IPV6—IPv6 protocol.

·     INP_IPV6PROTO—Creates an Internet PCB based on IPv6 protocol.

·     INP_TIMEWAIT—In TIMEWAIT state.

·     INP_ONESBCAST—Sends broadcast packets.

·     INP_DROPPED—Protocol dropped flag.

·     INP_SOCKREF—Strong socket reference.

·     INP_DONTBLOCK—Do not block synchronization of the Internet PCB.

·     N/A—None of the above flags.

Hop limit

Hop limit in the Internet PCB.

Connection state

TCP connection state:

·     CLOSED—The server receives a disconnection request's reply from the client.

·     LISTEN—The server is waiting for connection requests.

·     SYN_SENT—The client is waiting for the server to reply to the connection request.

·     SYN_RCVD—The server receives a connection request.

·     ESTABLISHED—The server and client have established connections and can transmit data bidirectionally.

·     CLOSE_WAIT—The server receives a disconnection request from the client.

·     FIN_WAIT_1—The client is waiting for the server to reply to a disconnection request.

·     CLOSING—The server and client are waiting for peer's disconnection reply when receiving disconnection requests from each other.

·     LAST_ACK—The server is waiting for the client to reply to a disconnection request.

·     FIN_WAIT_2—The client receives a disconnection reply from the server.

·     TIME_WAIT—The client receives a disconnection request from the server.

TCP options

TCP options:

·     TF_DELACK—Delays sending ACK packets.

·     TF_SENTFIN—A FIN packet has been sent.

·     TF_RCVD_SCALE—Requests the receive window size scale factor.

·     TF_RCVD_TSTMP—A timestamp was received in the SYN packet.

·     TF_NEEDSYN—Sends a SYN packet.

·     TF_NEEDFIN—Sends a FIN packet.

·     TF_MORETOCOME—More data is to be added to the socket.

·     TF_LQ_OVERFLOW—The listening queue overflows.

·     TF_LASTIDLE—Idle connection.

·     TF_RXWIN0SENT—A reply with receive window size 0 was sent.

·     TF_FASTRECOVERY—Enters NewReno fast recovery mode.

·     TF_WASFRECOVERY—In NewReno fast recovery mode.

·     TF_SIGNATURE—MD5 signature.

·     TF_FORCEDATA—Forces to send one byte.

·     TF_TSO—TSO is enabled.

·     TF_PMTU—Supports RFC 1191.

·     TF_PMTUD—Starts path MTU discovery.

·     TF_PASSIVE_CONN—Passive connection.

·     TF_APP_SEND—The application sends data.

·     TF_ABNORMAL_CLOSE—The application was abnormally closed.

·     TF_NODELAY—Disables the Nagle algorithm that buffers the sent data inside the TCP.

·     TF_NOOPT—No TCP options.

·     TF_NOPUSH—Forces TCP to delay sending any TCP data until a full sized segment is buffered in the TCP buffers.

·     TF_NSR—Enables TCP NSR.

·     TF_REQ_SCALE—Enables the TCP window scale option.

·     TF_REQ_TSTMP—Enables the time stamp option.

·     TF_SACK_PERMIT—Enables the TCP selective acknowledgement option.

·     TF_ENHANCED_AUTH—Enables the enhanced authentication option.

NSR state

NSR state of the TCP connection:

·     CLOSED—Closed (initial) state.

·     CLOSING—The connection is to be closed.

·     ENABLED—The connection backup is enabled.

·     OPEN—The connection synchronization has started.

·     PENDING—The connection backup is not ready.

·     READY—The connection backup is ready.

·     SMOOTH—The connection data is being smoothed.

Between the parentheses is the role of the connection:

·     M—Main connection.

·     S—Standby connection.

Send VRF

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Sending instances.

Receive VRF

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Receiving instances.

Error count in abnormal-packet-defend period

Number of abnormal packets received with the defense period after you enable the TCP anti-attack feature.

Checksum errors

Number of received packets with checksum errors.

Duplicate packets

Number of received packets that are duplicate.

Part-Duplicate packets

Number of received packets that are partially duplicate.

Out-of-order packets

Number of received packets that are out of order.

Duplicate ACK packets

Number of received ACK packets that are duplicate.

Out-of-order ACK packets

Number of received ACK packets that are out of order.

Packets with data out of window

Number of received packets that are not in the sliding window.

MD5 authentication errors

Number of received packets that failed the MD5 authentication.

Keychain authentication errors

Number of received packets that failed the keychain authentication.

Timestamp errors

Number of received packets with timestamp errors.

Total receive/send packets

Number of packets sent or received after the connection was established.

Receive/send packets in sequence

Number of packets sent or received through the connection, and their total length in bytes.

Receive/send keepalive packets

Number of keepalive packets sent or received through the connection.

Receive keepalive ack packets

Number of keepalive ACK packets sent or received through the connection.

Receive previous segment not captured packets

Number of packets received through the connection that indicated packet loss before those packets, and their total length in bytes.

Send retransmission packets

Number of retransmitted packets sent through the connection, and their total length in bytes.

Send fast retransmission packets

Number of fast retransmitted packets sent through the connection, and their total length in bytes.

Receive spurious retransmission packets

Number of spuriously retransmitted packets received through the connection, and their total length in bytes.

Receive/send window update packets

Number of window update packets sent or received through the connection.

Receive/send zero window packets

Number of zero-window packets sent or received through the connection.

Receive/send window probe packets

The number of window probe packets sent or received through the connection.

Receive window probe ack packets

Number of window probe ACK packets received through the connection.

Send window full packets

Number of packets sent through the connection that fill the receiving window of the peer.

User send data to tcp(times/bytes)

Number of data transmissions to TCP and their total length in bytes.

User receive data from tcp(times/bytes)

Number of data receptions from TCP and their total length in bytes.

Maximum Segment Size (MSS)

Maximum segment size.

Window Scale (wscale)

Window scale.

Retransmission Timeout (rto)

Retransmission timeout in milliseconds.

Retransmission Count/Total

Current number retransmissions/total number of retransmissions.

Round-trip Time (rtt/rtvar)

Average round-trip time in milliseconds.

Delayed Ack Timeout (ato)

Delayed acknowledgement timeout in milliseconds.

Congestion Window (cwnd)

Sequance number of the packet at the congestion window.

TCP Throughput

TCP throughput in Mbps.

sendpps/sendbps/recvpps/recvbps

·     sendpps—Number of packets sent per second.

·     sendbps—Bytes sent per second.

·     recvpps—Number of packets received per second.

·     recvbps—Bytes received per second.

Iss/unack/next/max/wnd

·     Iss—Local initial sequence number.

·     unack—Sequence number of sent packet that has not been acknowledged.

·     next—Sequence number for next sending.

·     max—Maximum sequence number for sending.

·     wnd—Sequence number of the packet at the sending window.

Irs/undeliver/next/adv/wnd

·     Irs—Peer initial sequence number.

·     undeliver—Sequence number of the packet that has not been reported.

·     next—Sequence number for next sending.

·     adv—Size of the receiving buffer.

·     wnd—Sequence number of the packet at the notification receiving window.

Receiving window(scale/lastadvertise/max/min)

Receiving window information:

·     scale—Window scaling factor (rcv_scale).

·     lastadvertise—Window value advertised in the most recent packet.