Displaying route information – Brocade BigIron RX Series Configuration Guide User Manual

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BigIron RX Series Configuration Guide

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Displaying IPv4 IS-IS information

29

Displaying route information

To display the routes in the device’s IS-IS route table, use either of the following methods.

To display information about the routes in the device’s IS-IS route table, enter the following
command at any level of the CLI.

Syntax: show isis routes [ip-address <subnet-mask> | ip-address/prefix]

This display shows the following information.

Circuit Authentication Fails

The number of times the device rejected a circuit because the
authentication did not match the authentication configured on the
device.

Bad LSP

The number of times the interface received a bad LSP from an IS at the
other end of the circuit. The following conditions can cause an LSP to be
bad:

Invalid checksum

Invalid length

Invalid lifetime value

Control Messages Sent

The number of IS-IS control PDUs sent on this interface.

Control Messages Received

The number of IS-IS control PDUs received on this interface.

IP Enabled

If set to TRUE, the IP protocol is enabled for this circuit.

TABLE 150

IS-IS route information

This field...

Displays...

Total number of IS-IS routes

The total number of routes in the device’s IS-IS route table. The total
includes Level-1 and Level-2 routes.

Destination

The IP destination of the route.

Mask

The subnet mask for the destination address.

Cost

The IS-IS default metric for the route, which is the cost of using this route
to reach the next-hop router to this destination.

Type

The route type, which can be one of the following:

L1 – Level-1 route

L2 – Level-2 route

TABLE 149

IS-IS Interface information (Continued)

This field...

Displays...

BigIron RX# show isis routes

Total number of IS-IS routes: 173

Destination Mask Cost Type Tag Flags

1.0.0.0 255.255.255.0 21 L2 00000000 00000242

Path: 1 Next Hop IP: 4.1.1.1 Interface: 7/1

1.0.0.0 255.255.255.255 30 L2 00000000 00000242

Path: 1 Next Hop IP: 4.1.1.1 Interface: 7/1

1.0.0.1 255.255.255.255 30 L2 00000000 00000242

Path: 1 Next Hop IP: 4.1.1.1 Interface: 7/1

1.0.10.0 255.255.255.0 30 L2 00000000 00000242

Path: 1 Next Hop IP: 4.1.1.1 Interface: 7/1

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