886 BigIron RX Series Configuration Guide53-1001986-01Displaying IPv4 IS-IS information28Displaying route informationTo 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 followingcommand at any level of the CLI.Syntax: show isis routes [ip-address | ip-address/prefix]You may enter ip-address or ip-address/prefix if you want information for a specificroute.For example:This display shows the following information.Bad LSP The number of times the interface received a bad LSP from an IS at theother end of the circuit. The following conditions can cause an LSP to bebad:• Invalid checksum• Invalid length• Invalid lifetime valueControl 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 135 IS-IS route informationThis field... Displays...Total number of IS-IS routes The total number of routes in the device’s IS-IS route table. The totalincludes Level-1 and Level-2 routes.Destination The IP destination of the route.Mask The subnet mask for the destination address.TABLE 134 IS-IS Interface information (Continued)This field... Displays...BigIron RX# show isis routesTotal number of IS-IS routes: 173Destination Mask Cost Type Tag Flags1.0.0.0 255.255.255.0 21 L2 00000000 00000242Path: 1 Next Hop IP: 4.1.1.1 Interface: 7/11.0.0.0 255.255.255.255 30 L2 00000000 00000242Path: 1 Next Hop IP: 4.1.1.1 Interface: 7/11.0.0.1 255.255.255.255 30 L2 00000000 00000242Path: 1 Next Hop IP: 4.1.1.1 Interface: 7/11.0.10.0 255.255.255.0 30 L2 00000000 00000242Path: 1 Next Hop IP: 4.1.1.1 Interface: 7/1BigIron RX# show isis routes 1.0.111.0 255.255.255.01.0.111.0 255.255.255.0 21 L2 00000000 00000242Path: 1 Next Hop IP: 4.1.1.1 Interface: 7/1
