Field	Description
Vlan-interface1 current state	Current physical state of VLAN-interface 1
Line protocol current state	Current state of the link layer protocol
Internet Address	IP address of the interface
Broadcast address	Directed broadcast address of the subnet attached to the interface
The Maximum Transmit Unit	Maximum transmission unit on the interface
IP packets input number: 9678, bytes: 475001, multicasts: 7 IP packets output number: 8622, bytes: 391084, multicasts: 0	Total number of packets, bytes, and multicast packets forwarded and received on the interface
TTL invalid packet number	Number of received invalid TTL packets
ICMP packet input number: 0 Echo reply: 0 Unreachable: 0 Source quench: 0 Routing redirect: 0 Echo request: 0 Router advert: 0 Router solicit: 0 Time exceed: 0 IP header bad: 0 Timestamp request: 0 Timestamp reply: 0 Information request: 0 Information reply: 0 Netmask request: 0 Netmask reply: 0 Unknown type: 0	Total number of received ICMP packets, including: Echo reply packet, unreachable packet, source quench packet, routing redirect packet, Echo request packet, router advert packet, router solicit packet, time exceed packet, IP header bad packet, timestamp request packet, timestamp reply packet, information request packet, information reply packet, netmask request packet, netmask reply packet, and unknown types of packets.

1.1.2 display ip interface brief

Syntax

display ip interface brief [ interface-type [ interface-number ] ]

View

Any view

Parameters

interface-type: Interface type.

interface-number: Interface number.

Description

Use the display ip interface brief command to display brief information about a specified or all Layer 3 interfaces.

With no argument included, the command displays information about all layer 3 interfaces; with only the interface type specified, it displays information about all layer 3 interfaces of the specified type; with both the interface type and interface number specified, it displays information about the specified interface.

Related commands: display ip interface.

Examples

# Display brief information about VLAN-interface 1.

<Sysname> display ip interface brief vlan-interface 1

*down: administratively down

(l): loopback

(s): spoofing

Interface IP Address Physical Protocol Description

Vlan-interface1 192.168.0.39 up up Vlan-inte...

Table 1-2 Description on the fields of the display ip interface brief command

Field	Description
*down	The interface is administratively shut down with the shutdown command.
(s)	Spoofing attribute of the interface. It indicates that the interface whose link layer protocol is displayed up may have no such a link present or the link is set up only on demand.
Interface	Interface name
IP Address	IP address of the interface (If no IP address is configured, “unassigned” is displayed.)
Physical	Physical state of the interface
Protocol	Link layer protocol state of the interface
Description	Interface description information. If the description has no more than 12 characters, the whole description can be displayed. If it has more than 12 characters, only the first nine characters are displayed.

1.1.3 ip address

Syntax

ip address ip-address { mask | mask-length }

undo ip address [ ip-address { mask | mask-length } ]

View

VLAN interface view, loopback interface view

Parameters

ip-address: IP address, in dotted decimal notation.

mask: Subnet mask, in dotted decimal notation.

mask-length: Subnet mask length, the number of consecutive ones in the mask. It is in the range of 0 to 32.

Description

Use the ip address command to specify an IP address and mask for a VLAN or loopback interface.

Use the undo ip address command to remove an IP address and mask of a VLAN or loopback interface.

By default, no IP address is configured for VLAN or loopback interface.

& Note:

l A newly specified IP address overwrites the previous one if there is any.

l The IP address of a VLAN interface must not be in the same network segment as that of a loopback interface on a device.

Related commands: display ip interface.

Examples

# Assign the IP address 129.12.0.1 to VLAN interface 1 with subnet mask 255.255.255.0.

<Sysname> system-view

System View: return to User View with Ctrl+Z.

[Sysname] interface Vlan-interface 1

[Sysname-Vlan-interface1] ip address 129.12.0.1 255.255.255.0

Chapter 2 IP Performance Configuration Commands

2.1 IP Performance Configuration Commands

2.1.1 display fib

Syntax

display fib

View

Any view

Parameters

None

Description

Use the display fib command to display all forwarding information base (FIB) information.

Examples

# Display all FIB information.

<Sysname> display fib

Flag:

U:Usable G:Gateway H:Host B:Blackhole D:Dynamic S:Static

R:Reject E:Equal cost multi-path L:Generated by ARP or ESIS Destination/Mask Nexthop Flag TimeStamp Interface

10.153.17.0/24 10.153.17.99 U t[37] Vlan-interface1

10.153.18.88/32 127.0.0.1 GHU t[37] InLoopBack0

10.153.18.0/24 10.153.18.88 U t[37] LoopBack0

10.153.17.99/32 127.0.0.1 GHU t[37] InLoopBack0

127.0.0.0/8 127.0.0.1 U t[33] InLoopBack0

Table 2-1 Description on the fields of the display fib command

Field	Description
Flag	Flags: U: A route is up and available. G: Gateway route H: Local host route B: Blackhole route D: Dynamic route S: Static route R: Rejected route E: Multi-path equal-cost route L: Route generated by ARP or ESIS
Destination/Mask	Destination address/mask length
Nexthop	Next hop address
TimeStamp	Timestamp
Interface	Forwarding interface

2.1.2 display fib ip-address

Syntax

display fib ip-address1 [ { mask1 | mask-length1 } [ ip-address2 { mask2 | mask-length2 } | longer ] | longer ]

View

Any view

Parameters

ip-address1, ip-address2: Destination IP addresses, in dotted decimal notation. ip-address1 and ip-address2 together define an address range. The FIB entries in this address range will be displayed.

mask1, mask2: Subnet masks, in dotted decimal notation.

mask-length1, mask-length2: Length of the subnet masks, the number of consecutive ones in the masks, in the range of 0 to 32.

longer: Displays the FIB entries matching the specified address/mask and having masks longer than or equal to the specified mask. If no masks are specified, FIB entries that match the natural network address and have the masks longer than or equal to the natural mask will be displayed.

Description

Use the display fib ip-address command to view the FIB entries matching the specified destination IP address.

If no mask or mask length is specified, the FIB entry that matches the destination IP address and has the longest mask will be displayed; if the mask is specified, the FIB entry that exactly matches the specified destination IP address and mask will be displayed.

Examples

# Display FIB entry information which matches destination 12.158.10.0 and has a mask length no less than eight.

<Sysname> display fib 12.158.10.0 longer

Route Entry Count: 1

Flag:

U:Usable G:Gateway H:Host B:Blackhole D:Dynamic S:Static

R:Reject E:Equal cost multi-path L:Generated by ARP or ESIS

Destination/Mask Nexthop Flag TimeStamp Interface

12.158.10.0/24 12.158.10.1 U t[85391] Vlan-interface10

# Display FIB entry information which has a destination in the range of 12.158.10.0/24 to 12.158.10.6/24 and has a mask length of 24.

<Sysname> display fib 12.158.10.0 255.255.255.0 12.158.10.6 255.255.255.0

Route Entry Count: 1

Flag:

U:Usable G:Gateway H:Host B:Blackhole D:Dynamic S:Static

R:Reject E:Equal cost multi-path L:Generated by ARP or ESIS

Destination/Mask Nexthop Flag TimeStamp Interface

12.158.10.0/24 12.158.10.1 U t[85391] Vlan-interface10

For details about the displayed information, see Table 2-1.

2.1.3 display fib acl

Syntax

display fib acl acl-number

View

Any view

Parameters

acl-number: Basic ACL number, in the range of 2000 to 2999.

Description

Use the display fib acl command to display the FIB entries matching a specific ACL. For ACL, refer to the part discussing ACL in this manual.

Examples

# Configure and display ACL 2001.

<Sysname> system-view

System View: return to User View with Ctrl+Z.

[Sysname] acl number 2001

[Sysname-acl-basic-2001] rule permit source 211.71.75.0 0.0.0.255

[Sysname-acl-basic-2001] display acl 2001

Basic ACL 2001, 1 rule

Acl's step is 1

rule 0 permit source 211.71.75.0 0.0.0.255

# Display the FIB entries filtered by ACL 2001.

<Sysname> display fib acl 2001

Route Entry matched by access-list 2001

Summary Counts :1

Flag:

U:Usable G:Gateway H:Host B:Blackhole D:Dynamic S:Static

R:Reject E:Equal cost multi-path L:Generated by ARP or ESIS

Destination/Mask Nexthop Flag TimeStamp Interface

211.71.75.0/24 1.1.1.2 GSU t[250763] Vlan-interface2

For details about the displayed information, see Table 2-1.

2.1.4 display fib |

Syntax

display fib | { begin | exclude | include } regular-expression

View

Any view

Parameters

|: Uses a regular expression to match FIB entries. For detailed information about regular expression, refer to Configuration File Management Command.

begin: Displays a specific FIB entry and all the FIB entries following it. The specific FIB entry is the first entry that matches the specified regular expression.

exclude: Displays the FIB entries that do not match the specified regular expression.

include: Displays the FIB entries that match the specified regular expression.

regular-expression: A case-sensitive character string.

Description

Use the display fib | command to display the FIB entries filtered by the specified regular expression.

Examples

# Display the entries starting from the first one containing the string 169.254.0.0.

<Sysname> display fib | begin 169.254.0.0

169.254.0.0/16 2.1.1.1 U t[0] Vlan-interface1

2.0.0.0/16 2.1.1.1 U t[0] Vlan-interface1

For details about the displayed information, see Table 2-1.

2.1.5 display fib statistics

Syntax

display fib statistics

View

Any view

Parameters

None

Description

Use the display fib statistics command to display the total number of FIB entries.

Examples

# Display the total number of FIB entries.

<Sysname> display fib statistics

Route Entry Count : 8

2.1.6 display icmp statistics

Syntax

display icmp statistics

View

Any view

Parameters

None

Description

Use the display icmp statistics command to display the statistics about ICMP packets.

Related commands: display ip interface, reset ip statistics.

Examples

# Display the statistics about ICMP packets.

<Sysname> display icmp statistics

Input: bad formats 0 bad checksum 0

echo 5 destination unreachable 0

source quench 0 redirects 0

echo reply 10 parameter problem 0

timestamp 0 information request 0

mask requests 0 mask replies 0

time exceeded 0

Output:echo 10 destination unreachable 0

source quench 0 redirects 0

echo reply 5 parameter problem 0

timestamp 0 information reply 0

mask requests 0 mask replies 0

time exceeded 0

Table 2-2 Description on the fields of the display icmp statistics command

Field		Description
Input:	bad formats	Number of received wrong format packets
	bad checksum	Number of received wrong checksum packets
	echo	Number of received echo packets
	destination unreachable	Number of received destination unreachable packets
	source quench	Number of received source quench packets
	redirects	Number of received redirection packets
	echo reply	Number of received replies
	parameter problem	Number of received parameter problem packets
	timestamp	Number of received time stamp packets
	information request	Number of received information request packets
	mask requests	Number of received mask requests
	mask replies	Number of received mask replies
	time exceeded	Number of received expiration packets
Output:	echo	Number of sent echo packets
	destination unreachable	Number of sent destination unreachable packets
	source quench	Number of sent source quench packets
	redirects	Number of sent redirection packets
	echo reply	Number of sent replies
	parameter problem	Number of sent parameter problem packets
	timestamp	Number of sent time stamp packets
	information reply	Number of sent information reply packets
	mask requests	Number of sent mask requests
	mask replies	Number of sent mask replies
	time exceeded	Number of sent expiration packets

2.1.7 display ip socket

Syntax

display ip socket [ socktype sock-type ] [ task-id socket-id ]

View

Any view

Parameters

socktype sock-type: Displays the socket information of this type. The sock type is in the range 1 to 3, corresponding to TCP, UDP and raw IP respectively.

task-id: ID of a task, with the value ranging from 1 to 100.

socket-id: ID of a socket, with the value ranging from 0 to 3072.

Description

Use the display ip socket command to display socket information.

Examples

# Display the information about the socket of the TCP type.

<Sysname> display ip socket socktype 1

SOCK_STREAM:

Task = VTYD(18), socketid = 1, Proto = 6,

LA = 0.0.0.0:23, FA = 0.0.0.0:0,

sndbuf = 8192, rcvbuf = 8192, sb_cc = 0, rb_cc = 0,

socket option = SO_ACCEPTCONN SO_KEEPALIVE SO_SENDVPNID SO_SETKEEPALIVE,

socket state = SS_PRIV SS_ASYNC

Task = VTYD(18), socketid = 2, Proto = 6,

LA = 10.153.17.99:23, FA = 10.153.17.56:1161,

sndbuf = 8192, rcvbuf = 8192, sb_cc = 0, rb_cc = 0,

socket option = SO_KEEPALIVE SO_OOBINLINE SO_SENDVPNID SO_SETKEEPALIVE,

socket state = SS_ISCONNECTED SS_PRIV SS_ASYNC

Task = VTYD(18), socketid = 3, Proto = 6,

LA = 10.153.17.99:23, FA = 10.153.17.82:1121,

sndbuf = 8192, rcvbuf = 8192, sb_cc = 0, rb_cc = 0,

socket option = SO_KEEPALIVE SO_OOBINLINE SO_SENDVPNID SO_SETKEEPALIVE,

socket state = SS_ISCONNECTED SS_PRIV SS_ASYNC

Table 2-3 Description on the fields of the display ip socket command

Field	Description
SOCK_STREAM	Indicates the socket type is TCP
SOCK_DGRAM	Indicates the socket type is UDP
SOCK_RAW	Indicates the socket type is raw IP
Task	Task ID
socketid	Socket ID
Proto	Protocol number used by the socket
sndbuf	Sending buffer size of the socket
rcvbuf	Receiving buffer size of the socket
sb_cc	Current data size in the sending buffer. The value makes sense only for the socket of TCP type, because only TCP is able to cache data.
rb_cc	Current data size in the receiving buffer
socket option	Option of a socket
socket state	State of a socket

2.1.8 display ip statistics

Syntax

display ip statistics

View

Any view

Parameters

None

Description

Use the display ip statistics command to display the statistics about IP packets.

Related commands: display ip interface, reset ip statistics.

Examples

# Display the statistics about IP packets.

<Sysname> display ip statistics

Input: sum 7120 local 112

bad protocol 0 bad format 0

bad checksum 0 bad options 0

Output: forwarding 0 local 27

dropped 0 no route 2

compress fails 0

Fragment:input 0 output 0

dropped 0

fragmented 0 couldn't fragment 0

Reassembling:sum 0 timeouts 0

Table 2-4 Description on the fields of the display ip statistics command

Field		Description
Input:	sum	Total number of packets received
	local	Total number of packets with destination being local
	bad protocol	Total number of unknown protocol packets. Unknown protocol packets are destined to the local device, but the upper layer protocol specified in their IP header cannot be processed by the device. (For example, if a switch is not enabled with the Layer 3 multicast function, it considers IGMP packets as unknown protocol packets.)
	bad format	Total number of packets with incorrect header format that contains a wrong version, or has a header length less than 20 bytes.
	bad checksum	Total number of packets with incorrect checksum
	bad options

Table of Content

06-IP Address-IP Performance Commands