3Com Switch 7750 Series
Command Reference Guide — IP / IPX Chapter 2 IP Performance Configuration
Commands
2-2
Description
Use the display fib command to view the summary of the forwarding information base
(FIB). Each line indicates an FIB entry. The information includes: destination
address/mask length, next hop, current flag, timestamp, and output interface. For the
ACL configuration, refer to the ACL module of this manual.
Example
# View all the FIB summary.
<3Com>display fib
Destination/Mask Nexthop Flag TimeStamp Interface
211.71.75.0/24 1.1.1.2 GSU t[250763] Vlan-interface2
1.1.2.1/32 127.0.0.1 GHU t[37] InLoopBack0
127.0.0.1/32 127.0.0.1 GHU t[37] InLoopBack0
127.0.0.0/8 127.0.0.1 U t[37] InLoopBack0
1.1.1.1/32 127.0.0.1 GHU t[37] InLoopBack0
1.1.1.0/24 1.1.1.1 U t[37] Vlan-interface2
Table 2-2 Description on the fields of the display fib command
Field Description
Destination/Mask Destination address/mask length
Nexthop Next hop address
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
TimeStamp Timestamp
Interface Forwarding interface
# View ACL 2001.
<3Com> display acl config 2001
Basic ACL 2001, 1 rule
rule 0 permit source 211.71.75.0 0.0.0.255 (0 times matched)
# View the FIB entries filtered by ACL 2001.