Syntax
display dns ipv6 dynamic-host
View
Any view
Parameter
None
Description
Use the display dns ipv6 dynamic-host command
to display IPv6 dynamic domain name cache information.
Example
# Display IPv6 dynamic domain name cache
information.
<H3C> display dns ipv6
dynamic-host
No. Domain-name Ipv6 Address TTL
1 aaa 2001::2 6
Table 1-1 Description on fields of the display
dns ipv6 dynamic-host command
|
Field
|
Description
|
|
No.
|
Sequence number
|
|
Domain-name
|
Domain name
|
|
Ipv6 Address
|
IPv6 address corresponding to the domain
name
|
|
TTL
|
Lifetime of a domain name cache
information entry in seconds
|
Syntax
display ipv6 fib [ ipv6-address ]
View
Any view
Parameter
ipv6-address:
IPv6 address. An FIB entry whose destination address is this address will be
displayed.
Description
Use the display ipv6 fib command to
display FIB entries. If no argument is specified, all FIB entries will be
displayed.
Example
# Display all FIB entries.
<H3C> display ipv6 fib
FIB Table:
Total number of Routes : 1
Flag:
U:Useable G:Gateway H:Host
B:Blackhole D:Dynamic S:Static
Destination: ::1 PrefixLength :
128
NextHop : ::1 Flag :
HU
Label : NULL Tunnel
ID : 0
TimeStamp : Date- 12:5:2004, Time-
9:15:18
Interface : InLoopBack0
Table 1-2 Description on fields of the display
ipv6 fib command
|
Field
|
Description
|
|
Total number of Routes
|
Total number of routes in the FIB
|
|
Destination
|
Destination address to which a packet is
forwarded
|
|
PrefixLength
|
Prefix length of the destination address
|
|
NextHop
|
Next hop address when a packet is
forwarded to the destination
|
|
Flag
|
Route flag:
“U” — Usable route
“G” — Gateway route
“H” — Host route
“B” — Blackhole route
“D” — Dynamic route
“S” — Static route
|
|
Label
|
Label
|
|
Tunnel ID
|
ID of a tunnel
|
|
TimeStamp
|
Generation time of an FIB entry
|
|
Interface
|
Interface from which a packet is
forwarded
|
1.1.3 display ipv6 host
Syntax
display ipv6 host
View
Any view
Parameter
None
Description
Use the display ipv6 host command to
display the mapping between host name and IPv6 address.
Example
# Display the mapping between host name and
IPv6 address.
<H3C> display ipv6 host
Host Age Flags
IPv6Address (es)
aaa 0 static
2002::1
Table 1-3 Description on fields of the display
ipv6 host command
|
Field
|
Description
|
|
Host
|
Host name
|
|
Age
|
Time for the entry to live, displayed as
0 in the case of static configuration.
|
|
Flags
|
Flag indicating whether the entry is
configured statically or acquired dynamically
|
|
IPv6Address (es)
|
IPv6 address corresponding to a host name
|
Syntax
display ipv6 interface [ interface-type interface-number | brief ]
View
Any view
Parameter
interface-type interface-number: Interface type and interface number.
brief:
Displays the brief IPv6 information of an interface.
Description
Use the display ipv6 interface
command to display the IPv6 information of a specified interface.
When interface-type interface-number
is not specified, the IPv6 information of all interfaces for which IPv6
addresses can be configured is displayed.
Example
# Display the IPv6 information of a VLAN interface.
<H3C> display ipv6 interface vlan-interface
1
Vlan-interface1 current state :UP
Line protocol current state :UP
IPv6 is enabled, link-local address
is FE80::2E0:FCFF:FE00:5503
Global unicast address(es):
3000::1, subnet is 3000::/64
Joined group address(es):
FF02::1:FF00:1
FF02::1:FF00:5503
FF02::2
FF02::1
MTU is 1500 bytes
ND DAD is enabled, number of DAD
attempts: 1
ND reachable time is 30000
milliseconds
ND retransmit interval is 1000
milliseconds
Hosts use stateless autoconfig for
addresses
Table 1-4 Description on fields of the display
ipv6 interface command
|
Field
|
Description
|
|
Vlan-interface1 current state
|
Physical state of an interface
|
|
Line protocol current state
|
Link layer state of an interface
|
|
IPv6 is enabled
|
IPv6 forwarding state of an interface (IPv6
is enabled in the example)
|
|
link-local address
|
Link-local address configured on an
interface
|
|
Global unicast address(es)
|
Aggregatable global unicast address
configured on an interface
|
|
Joined group address(es)
|
Address of the multicast group that an interface
joins
|
|
MTU
|
Maximum transmission unit of an interface
|
|
ND DAD is enabled, number of DAD attempts
|
Number of duplicate address detection
(DAD) attempts, with DAD enabled
|
|
ND reachable time
|
Neighbor reachable time
|
|
ND retransmit interval
|
Interval for retransmitting a neighbor
solicitation (NS) message
|
|
Hosts use stateless autoconfig for
addresses
|
Hosts use stateless auto-configuration
mode to acquire IPv6 addresses
|
#: View the brief IPv6 information of all
interfaces.
<H3C> display ipv6 interface
brief
*down: administratively down
(s): spoofing
Interface
Physical Protocol IPv6 Address
LoopBack0 up
up(s) Unassigned
Vlan-interface1 up
up 2008::1
Table 1-5 Description on fields of the display
ipv6 interface brief command
|
Field
|
Description
|
|
*down
|
The interface is down, that is, the
interface is disabled by using the shutdown command.
|
|
(s)
|
Spoofing attribute of the interface, that
is, the link protocol state of the interface is up, but the link does not
exist, or the link is established on demand, instead of being permanent.
|
|
Interface
|
Name of the interface
|
|
Physical
|
Physical state of the interface
|
|
Protocol
|
Link protocol state of an interface
|
|
IPv6 Address
|
IPv6 address of the interface (If no
address is configured for the interface, “Unassigned” will be
displayed.)
|
Syntax
display ipv6 neighbors { ipv6-address | all | dynamic | static
| interface interface-type interface-number | vlan vlan-id
} [ | { begin | exclude | include } text ]
View
Any view
Parameter
ipv6-address: IPv6 address whose neighbor information is to be displayed.
all:
Displays information of all neighbors, including neighbors acquired dynamically
and configured statically.
dynamic:
Displays information of all neighbors acquired dynamically.
static:
Displays information of all neighbors configured statically.
interface
interface-type interface-number: Displays
information of the neighbors of a specified interface.
vlan vlan-id:
Displays information of the neighbors of a specified VLAN.
begin:
Displays the neighbor entries beginning with the specified character string.
include:
Displays the neighbor entries containing the specified character string.
exclude:
Displays the neighbor entries without the specified character string.
text:
Character string.
Description
Use the display ipv6 neighbors
command to display neighbor information.
Example
# View all neighbor information.
<H3C> display ipv6 neighbors
all
Type: S-Static
D-Dynamic
IPv6 Address Link-layer VID Interface
State T Age
FE80::200:5EFF:FE32:B800 0000-5e32-b800 N/A GE1/0/1
REACH S -
Table 1-6 Description on fields of the display
ipv6 neighbors command
|
Field
|
Description
|
|
IPv6 Address
|
IPv6 address
|
|
Link-layer
|
Link layer address (MAC address of a
neighbor)
|
|
VID
|
VLAN ID
|
|
Interface
|
Interface connected with a neighbor
|
|
State
|
State of a neighbor
|
|
T
|
Type of neighbor information, including
static configuration and dynamic acquisition.
|
|
Age
|
For a static entry, “-“ is
displayed. For a dynamic entry, the time (in seconds) since it is reachable
last time is displayed, and if it is never reachable, “#” is
displayed (for a dynamic neighbor only).
|
Syntax
display ipv6 neighbors { all | dynamic | static | interface
interface-type interface-number | vlan vlan-id } count
View
Any view
Parameter
all:
Displays the total number of all neighbor entries, including neighbor entries
acquired dynamically and configured statically.
dynamic:
Displays the total number of all neighbor entries acquired dynamically.
interface
interface-type interface-number: Displays the total
number of neighbor entries of a specified interface.
static:
Displays the total number of all neighbor entries configured statically.
vlan vlan-id:
Displays the total number of neighbor entries of a specified VLAN.
count: The
number of neighbor entries.
Description
Use the display ipv6 neighbors count
command to display the total number of neighbor entries satisfying the
specified condition.
Example
# Display the total number of neighbor
entries acquired dynamically.
<H3C> display ipv6 neighbors
dynamic count
Total dynamic entry(ies): 2
Syntax
display ipv6 pathmtu { ipv6-address | all | dynamic | static
}
View
Any view
Parameter
ipv6-address:
IPv6 address whose PMTU information is to be displayed.
all:
Displays all PMTU information.
dynamic:
Displays all dynamic PMTU information.
static:
Displays all static PMTU information.
Description
Use the display ipv6 pathmtu command
to display the PMTU information of IPv6 addresses.
Example
# Display all PMTU information.
<H3C> display ipv6 pathmtu all
Ipv6 Destination Address ZoneID PathMTU Age Type
fe80::12 0 1300 40 Dynamic
2222::3 0 1280 -- Static
Table 1-7 Description on fields of the display
ipv6 pathmtu command
|
Field
|
Description
|
|
Ipv6 Destination Address
|
Destination IPv6 address
|
|
ZoneID
|
Address zone, currently invalid
|
|
PathMTU
|
PMTU of an IPv6 address
|
|
Age
|
Lifetime
of a PMTU. For a static PMTU, “--“ is displayed.
|
|
Type
|
Indicates
the PMTU is dynamically negotiated or statically configured.
|
Syntax
display ipv6 socket [ socktype socket-type ] [ task-id socket-id
]
View
Any view
Parameter
socket-type:
Type of a socket, in the range of 1 to 3. The value “1” represents
a TCP socket, “2” a UDP socket, and “3” a raw IP
socket.
task-id: ID
of a task, in the range of 1 to 100.
socket-id:
ID of a socket, in the range of 0 to 3072.
Description
Use the display ipv6 socket command
to display information related to a specified socket. If no argument is
specified, all information related to socket will be displayed.
Example
# View information related to a specified
socket.
<H3C> display ipv6 socket socktype
1
SOCK_STREAM:
Task = VTYD(14), socketid = 4, Proto =
6,
LA = ::->22, FA = ::->0,
sndbuf = 8192, rcvbuf = 8192, sb_cc = 0,
rb_cc = 0,
socket option = SO_ACCEPTCONN
SO_REUSEPORT SO_SENDVPNID,
socket state = SS_PRIV SS_ASYNC
Task = VTYD(14), socketid = 3, Proto =
6,
LA = ::->23, FA = ::->0,
sndbuf = 8192, rcvbuf = 8192, sb_cc =
0, rb_cc = 0,
socket option = SO_ACCEPTCONN
SO_REUSEPORT SO_SENDVPNID,
socket state = SS_PRIV SS_ASYNC
Table 1-8 Description on fields of the display
ipv6 socket command
|
Field
|
Description
|
|
SOCK_STREAM
|
Socket type of TCP
|
|
Task
|
Task ID of the created socket
|
|
socket id
|
ID assigned by the kernel to the created
socket
|
|
Proto
|
Protocol ID
|
|
LA
|
Local address and local port number
|
|
FA
|
Remote address and remote port number
|
|
sndbuf
|
Size of the sending buffer
|
|
rcvbuf
|
Size of the receiving buffer
|
|
sb_cc
|
Number of bytes sent by the sending buffer
|
|
rb_cc
|
Number of bytes received by the receiving
buffer
|
|
socket option
|
Socket option set by the application
|
|
socket state
|
State of the socket
|
Syntax
display ipv6 statistics
View
Any view
Parameter
None
Description
Use the display ipv6 statistics
command to display statistics of IPv6 packets and ICMPv6 packets.
Example
# View the statistics of IPv6 packets and
IPv6 ICMP packets.
<H3C> display ipv6 statistics
IPv6
Protocol:
Sent packets:
Total: 0
Local sent out: 0
forwarded: 0
raw packets: 0
discarded: 0
routing failed: 0
fragments: 0
fragments failed: 0
Received packets:
Total: 0
local host: 0
hopcount exceeded: 0
format error: 0
option error: 0
protocol error: 0
fragments: 0
reassembled: 0
reassembly failed: 0
reassembly timeout: 0
ICMPv6 protocol:
Sent packets:
Total: 0
unreached: 0
too big: 0
hopcount exceeded: 0
reassembly timeout: 0
parameter problem: 0
echo request: 0
echo replied: 0
neighbor solicit: 0
neighbor advert: 0
router solicit: 0
router advert: 0
redirected: 0
Send failed:
ratelimited: 0
other errors: 0
Received packets:
Total: 0
checksum error: 0
too short: 0
bad code: 0
unreached: 0
too big: 0
hopcount exceeded: 0
reassembly timeout: 0
parameter problem: 0
unknown error type: 0
echoed: 0
echo replied: 0
neighbor solicit: 0
neighbor advert: 0
router solicit: 0
router advert: 0
redirected: 0
router renumbering: 0
unknown info type: 0
Deliver failed:
bad length: 0
ratelimited: 0
Table 1-9 Description on fields of the display
ipv6 statistics command
|
Field
|
Description
|
|
IPv6 Protocol:
|
Statistics of IPv6 packets
|
|
Sent packets:
Total: 0
Local sent out: 0 forwarded: 0
raw packets: 0 discarded: 0
routing failed: 0 fragments: 0
fragments failed: 0
|
Statistics of sent IPv6 packets,
including:
Total number of sent packets
Number of packets sent locally
Number of forwarded packets
Number of packets sent via raw socket
Number of discarded packets
Number of packets with routing failure
Number of sent fragment packets
Number of fragment sending failures
|
|
Received packets:
Total: 0
local host: 0 hopcount exceeded: 0
format error: 0 option error: 0
protocol error: 0 fragments: 0
reassembled: 0 reassembly failed: 0
reassembly timeout: 0
|
Statistics of received IPv6 packets,
including
Total number of received packets
Number of packets received locally
Number of packets exceeding the hops
Number of packets in an incorrect format
Number of packets with incorrect options
Number of packets with incorrect protocol
Number of received fragment packets
Number of reassembled packets
Number of packets whose reassembly fails
Number of packets whose reassembly times
out
|
|
ICMPv6 protocol:
|
Statistics of ICMPv6 packets
|
|
Sent packets:
Total: 0
unreached: 0 too big: 0
hopcount exceeded: 0 reassembly
timeout: 0
parameter problem: 0
echo request: 0 echo
replied: 0
neighbor solicit: 0 neighbor
advert: 0
router solicit: 0 router
advert 0
redirected: 0
Send failed:
ratelimited: 0 other errors: 0
|
Statistics of sent ICMPv6 packets,
including
Total number of sent packets
Number of packets whose destination is
unreachable
Number of too large packets
Number of packets exceeding the hop limit
Number of packets whose fragmentation and
reassembly time out
Number of packets with parameter errors
Number of request packets
Number of response packets
Number of neighbor solicitation packets
Number of neighbor advertisement packets
Number of router solicit packets
Number of router advertisement packets
Number of redirected packets
Number of packets failing to be sent
because of rate limitation
Number of packets with other errors
|
|
Received packets:
Total: 0
checksum error: 0 too short:
0
bad code: 0
unreached: 0 too big: 0
hopcount exceeded: 0 reassembly
timeout: 0
parameter problem: 0 unknown error
type: 0
echoed: 0 echo replied: 0
neighbor solicit: 0 neighbor
advert: 0
router solicit: 0 router
advert: 0
redirected: 0 router
renumbering 0
unknown info type: 0
Deliver failed:
bad length: 0 ratelimited:
0
|
Statistics of received ICMPv6 packets,
including
Total number of received packets
Number of packets with checksum errors
Number of too small packets
Number of packets with error codes
Number of packets whose destination is
unreachable
Number of too large packets
Number of packets exceeding the hop limit
Number of packets whose fragmentation
and reassembly time out
Number of packets with parameter errors
Number of packets with unknown errors
Number of request packets
Number of response packets
Number of neighbor solicitation messages
Number of neighbor advertisement packets
Number of router solicitation packets
Number of router advertisement packets
Number of redirected packets
Number of packets recounted by the
router
Number of unknown information type of
packets
Number of packets with a incorrect size
Number of packets failing to be received
because of rate limitation
|
Syntax
display tcp ipv6 statistics
View
Any view
Parameter
None
Description
Use the display tcp ipv6 statistics
command to display IPv6 TCP connection statistics.
Example
# View the statistics of received and sent
IPv6 TCP packets.
<H3C> display tcp ipv6
statistics
Received packets:
Total: 0
packets in sequence: 0 (0 bytes)
window probe packets: 0, window
update packets: 0
checksum error: 0, offset error:
0, short error: 0
duplicate packets: 0 (0 bytes),
partially duplicate packets: 0 (0 bytes)
out-of-order packets: 0 (0
bytes)
packets with data after window:
0 (0 bytes)
packets after close: 0
ACK packets: 0 (0 bytes)
duplicate ACK packets: 0, too
much ACK packets: 0
Sent packets:
Total: 0
urgent packets: 0
control packets: 0 (including 0
RST)
window probe packets: 0, window
update packets: 0
data packets: 0 (0 bytes) data
packets retransmitted: 0 (0 bytes)
ACK only packets: 0 (0 delayed)
Retransmitted timeout: 0, connections
dropped in retransmitted timeout: 0
Keepalive timeout: 0, keepalive
probe: 0, Keepalive timeout, so connections disconnected : 0
Initiated connections: 0, accepted
connections: 0, established connections: 0
Closed connections: 0 (dropped: 0,
initiated dropped: 0)
Table 1-10 Description on fields of the display
tcp ipv6 statistics command
|
Field
|
Description
|
|
Received packets:
Total: 0
packets in sequence: 0 (0 bytes)
window probe packets: 0, window
update packets: 0
checksum error: 0, offset error: 0,
short error: 0
duplicate packets: 0 (0 bytes),
partially duplicate packets: 0 (0 bytes)
out-of-order packets: 0 (0 bytes)
packets with data after window: 0 (0
bytes)
packets after close: 0
ACK packets: 0 (0 bytes)
duplicate ACK packets: 0, too much
ACK packets: 0
|
Statistics of received packets, including
Total number of received packets
Number of packets received in sequence
Number of window probe packets
Number of window size update packets
Number of packets with checksum errors
Number of packets with offset errors
Number of packets whose total length is
less than that specified by the packet header
Number of duplicate packets
Number of partially duplicate packets
Number of out-of-order packets
Number of packets exceeding the receiving
window size
Number of packets after the connection is
closed
Number of ACK packets
Number of duplicate ACK packets/excessive
ACK packets
|
|
Sent packets:
Total: 0
urgent packets: 0
control packets: 0 (including 0 RST)
window probe packets: 0, window
update packets: 0
data packets: 0 (0 bytes) data
packets retransmitted: 0 (0 bytes)
ACK only packets: 0 (0 delayed)
|
Statistics of sent packets, including
Total number of packets
Number of packets containing an urgent
indicator
Number of control packets
Number of window probe packets
Number of window update packets
Number of data packets
Number of retransmitted packets
Number of ACK only packets
|
|
Retransmitted timeout
|
Number of packets whose retransmission
times out
|
|
connections dropped in retransmitted
timeout
|
Number of connections dropped because of
retransmission timeout
|
|
Keepalive timeout
|
Number of keepalive timeouts
|
|
Keepalive probe
|
Number of keepalive probes
|
|
Keepalive timeout, so connections
disconnected
|
Number of connections dropped because of
keepalive response timeout
|
|
Initiated connections
|
Number of initiated connections
|
|
accepted connections
|
Number of accepted connections
|
|
established connections
|
Number of established connections
|
|
Closed connections
|
Number of closed connections
|
|
dropped
|
Number of dropped connections(after SYN
is received from the peer)
|
|
initiated dropped
|
Number of initiated but dropped
connections(before SYN is received from the peer)
|
Syntax
display tcp ipv6 status
View
Any view
Parameter
None
Description
Use the display
tcp ipv6 command to display the IPv6 TCP connection status.
Example
# View the IPv6 TCP connection status.
<H3C> display tcp ipv6 status
TCP6CB Local Address
Foreign Address State
045d8074 ::->21 ::->0
Listening
Table 1-11 Description on fields of the display
tcp ipv6 status command
