display fib
Use display fib to display FIB entries.
Syntax
display fib [ vpn-instance vpn-instance-name ] [ ip-address [ mask | mask-length ] ]
Views
Any view
Predefined user roles
network-admin
network-operator
mdc-admin
mdc-operator
Parameters
vpn-instance vpn-instance-name: Specifies a VPN instance by its name, a case-sensitive string of 1 to 31 characters. To display the FIB entries for the public network, do not specify any VPN.
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.
Usage guidelines
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 Destination count: 5 FIB entry count: 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 for VPN vpn1.
<Sysname> display fib vpn-instance vpn1 Destination count: 6 FIB entry count: 6 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 20.20.20.0/24 20.20.20.25 U M-GE0/0/0 Null 20.20.20.0/32 20.20.20.25 UBH M-GE0/0/0 Null 20.20.20.25/32 127.0.0.1 UH InLoop0 Null 20.20.20.25/32 20.20.20.25 H M-GE0/0/0 Null 20.20.20.255/32 20.20.20.25 UBH M-GE0/0/0 Null
# Display the FIB entries matching the destination IP address 10.2.1.1.
<Sysname> display fib 10.2.1.1 Destination count: 1 FIB entry count: 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 30: Command output
Field | Description |
---|---|
Destination count | Total number of destination addresses. |
FIB entry count | Total number of FIB entries. |
Destination/Mask | Destination address and the mask length. |
Nexthop | Next hop address. |
Flag | Flags of routes:
|
OutInterface/Token | Output interface/LSP index number. |
Label | Inner label. |