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- Table of Contents
-
- 05-Network Connectivity Command Reference
- 00-Preface
- 01-MAC address table commands
- 02-Ethernet link aggregation commands
- 03-Port isolation commands
- 04-VLAN commands
- 05-Loop detection commands
- 06-Spanning tree commands
- 07-LLDP commands
- 08-Layer 2 forwarding commands
- 09-L2TP commands
- 10-ARP commands
- 11-IP addressing commands
- 12-DHCP commands
- 13-DHCP snooping commands
- 14-DHCPv6 commands
- 15-DHCPv6 snooping commands
- 16-DNS commands
- 17-HTTP commands
- 18-HTTP redirect commands
- 19-IP forwarding basics commands
- 20-Fast forwarding commands
- 21-Adjacency table commands
- 22-IP performance optimization commands
- 23-IPv6 basics commands
- 24-IPv6 neighbor discovery commands
- 25-IPv6 fast forwarding commands
- 26-NAT commands
- 27-GRE commands
- 28-Basic IP routing commands
- 29-Static routing commands
- 30-OSPF commands
- 31-Policy-based routing commands
- 32-IPv6 static routing commands
- 33-IPv6 policy-based routing commands
- 34-IGMP snooping commands
- 35-MLD snooping commands
- Related Documents
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| Title | Size | Download |
|---|---|---|
| 19-IP forwarding basics commands | 57.03 KB |
Basic IP forwarding commands
display fib
Use display fib to display FIB entries.
Syntax
display [ ip-address [ mask | mask-length ] ] [ slot slot-number ]
Views
Any view
Predefined user roles
network-admin
network-operator
Parameters
ip-address: Displays the FIB entry that matches the specified destination IP address.
mask: Specifies the mask for the IP address.
mask-length: Specifies the mask length for the IP address. The value range is 0 to 32.
slot slot-number: Specifies a cloud cluster member device by its member ID. If you do not specify a member device, this command displays FIB entries for the master device.
Usage guidelines
You can use this command to view the number of FIB entries successfully issued to hardware.
If you specify an IP address without a mask or mask length, this command displays the longest matching FIB entry.
If you specify an IP address and a mask or mask length, this command displays the exactly matching FIB entry.
Examples
# Display all FIB entries of the public network.
<Sysname> display fib
Route destination count: 5
Directly-connected host count: 0
Entries issued to hardware: 5
Flag:
U:Usable G:Gateway H:Host B:Blackhole D:Dynamic S:Static
R:Relay F:FRR
Destination/Mask Nexthop Flag OutInterface/Token Label
0.0.0.0/32 127.0.0.1 UH InLoop0 Null
1.1.1.0/24 192.168.126.1 USGF M-GE0/0/0 Null
127.0.0.0/8 127.0.0.1 U InLoop0 Null
127.0.0.0/32 127.0.0.1 UH InLoop0 Null
127.0.0.1/32 127.0.0.1 UH InLoop0 Null
# Display the FIB entries matching the destination IP address 10.2.1.1.
<Sysname> display fib 10.2.1.1
FIB entry count: 1
Entries issued to hardware: 1
Flag:
U:Usable G:Gateway H:Host B:Blackhole D:Dynamic S:Static
R:Relay F:FRR
Destination/Mask Nexthop Flag OutInterface/Token Label
10.2.1.1/32 127.0.0.1 UH InLoop0 Null
Table 1 Command output
|
Field |
Description |
|
Route destination count |
Number of route destination addresses. |
|
Directly-connected host count |
Number of directly connected hosts learned by features such as ARP. |
|
Entries issued to hardware |
Number of FIB entries successfully issued to hardware. |
|
FIB entry count |
Total number of FIB entries. |
|
Destination/Mask |
Destination address and the mask length. |
|
Nexthop |
Next hop address. |
|
Flag |
Flags of routes: · U—Usable route. · G—Gateway route. · H—Host route. · B—Blackhole route. · D—Dynamic route. · S—Static route. · R—Relay route. · F—Fast reroute. |
|
OutInterface/Token |
Output interface/LSP index number. |
|
Label |
Inner label. |
snmp-agent trap enable fib
Use snmp-agent trap enable fib to enable SNMP notifications for FIB events.
Use undo snmp-agent trap enable fib to disable SNMP notifications for FIB events.
Syntax
snmp-agent trap enable fib
undo snmp-agent trap enable fib
Default
SNMP notifications for FIB events are enabled.
Views
System view
Predefined user roles
network-admin
Usage guidelines
This feature enables the FIB module to generate SNMP notifications for critical FIB events. The SNMP notifications are sent to the SNMP module. For the SNMP notifications to be sent correctly, you must also configure SNMP. For more information about SNMP configuration, see Network Management and Monitoring Configuration Guide.
Examples
# Disable SNMP notifications for FIB events.
<Sysname> system-view
[Sysname] undo snmp-agent trap enable fib
