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Command mode: Global Mode
Usage Guide: This command is used to optimize the aggregation algorithm: if the route
table contains no default route, the next hop most frequently referred to will
be used to construct a virtual default route to simplify the aggregation result.
This method has the benefit of more effectively simplifying the aggregation
result. However, while adding virtual default route to the chip segment route
table reduces CPU load, it may introduce an unnecessary data stream to
switches of the next hop. In fact, part of local switch CPU load is transferred
to switches of the next hop.
Example: Disable optimized IP route aggregation algorithm.
Switch(Config)# no ip fib optimize
14.2.3 IP Forwarding Troubleshooting Help
14.2.3.1 Monitor and Debug Commands
14.2.3.1.1 show ip traffic
Command: show ip traffic
Function: Display statistics for IP packets.
Command mode: Admin Mode
Usage Guide: Display statistics for IP and ICMP packets received/sent.
Example:
Switch#show ip traffic
IP statistics:
Rcvd: 128 total, 128 local destination
0 header errors, 0 address errors
0 unknown protocol, 0 discards
Frags: 0 reassembled, 0 timeouts
0 fragment rcvd, 0 fragment dropped
0 fragmented, 0 couldn't fragment, 0 fragment sent
Sent: 0 generated, 0 forwarded
0 dropped, 0 no route
ICMP statistics:
Rcvd: 0 total 0 errors 0 time exceeded
0 redirects, 0 unreachable, 0 echo, 0 echo replies