Monitoring IP Routing Table Details for a Line Module

Purpose

Display the interface and next hop for an IP address in the routing table of a line module.

Action

To display the interface and next hop for an IP address in the routing table of a line module:

host1#show ip route slot 6 10.10.0.231
IP address     Interface            Next Hop
------------   ----------------     ------------
10.10.0.231    fastEthernet 6/0     10.10.0.231

Meaning

Table 23 lists the show ip route slot command output fields.

Table 23: show ip route slot Output Fields

Field Name

Field Description

IP address

Address reachable via the interface

Interface

Interface type and specifier associated with the IP address; displays “Local Interface” if a special interface index is present in the routing table for special IP addresses, such as broadcast addresses

Next Hop

IP address of the next hop router to reach the IP address; displays “---” if no next hop is associated with the IP address; displays “Down” if the ECMP set for a specific route on a slot is down

A next hop is displayed only for protocols where ARP is used to resolve the addresses, such as for fastEthernet, gigabitEthernet, bridged Ethernet over ATM, and so on.

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