8.9.2 Checking summary routes

You can display information about summarized routes entered in the routing table. The following figure shows an example of displaying a summarized route.

Figure 8-19: Example of displaying summary routes
> show ip route summary_routes Date 20XX/07/14 12:00:00 UTC Total: 1 routes Destination Next Hop Interface Metric Protocol Age 172.16/16 ---- - 0/0 Summary 50s

You can also display information about the active routes in a specific network (172.16.0.0/16). The following figure shows an example of displaying active routes.

Figure 8-20: Example of displaying active routes
> show ip route 172.16.0.0/16 longer-prefixes Date 20XX/07/14 12:00:00 UTC Total: 3 routes Destination Next Hop Interface Metric Protocol Age 172.16/16 ---- - 0/0 Summary 56s 172.16.1/24 172.16.1.1 VLAN0010 0/0 Connected 365d 172.16.1.1/32 172.16.1.1 VLAN0010 0/0 Connected 365d

Figure 8-20: Example of displaying active routes

> show ip route 172.16.0.0/16 longer-prefixes
Date 20XX/07/14 12:00:00 UTC
Total: 3 routes
Destination        Next Hop        Interface      Metric   Protocol  Age
172.16/16          ----            -              0/0      Summary   56s
172.16.1/24        172.16.1.1      VLAN0010       0/0      Connected 365d
172.16.1.1/32      172.16.1.1      VLAN0010       0/0      Connected 365d