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troubleshooting [2009/09/13 14:37] (current)
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 +===== Cisco IOS - troubleshooting commands: =====
 +This chapter gives an short overview of the common used commands for verifying and troubleshooting the IS-IS configuration. Most of the commands are used in the practical part of this paper. Therefore, please take a look at the [[labs_conf|lab exercises]]. \\
 +
 +
 +=== Show commands ===
 +
 +__sh ver:__ hardware and operating system details of the router \\
 +__sh run:__ most problems based on a misconfiguration of the routing process. With this command it is possible to check the running configuration \\
 +__sh isis route:__ IS-IS routes \\
 +__sh clns route:__ Clns routes \\
 +__sh clns traffic:__ Statistic information \\
 +__sh clns protocol__ Information about the routing process \\
 +__sh clns neighbors:__ Provides information about adjacencies \\
 +__sh clns interface:__ Provides information about the clns interface and the interface status \\
 +__sh isis database:__ Level 1 and level 2 link state database \\
 +__sh isis topology:__ A view of the known network topology \\
 +__sh isis spf-log:__ SPF triggers and duration of events \\
 +
 +
 +=== Debug commands ===
 +
 +__debug isis adj-packets:__ Displays the sending and receiving of hello packets in real time \\
 +__debug isis update-packets:__ Displays real time information about network changes (LSPs and CSNPs) \\
 +__debug spf-events:__ Displays real time information about the SPF process \\
 +
 +=== Other useful commands ===
 +
 +__ping__ \\
 +__traceroute__ \\
 +__ping clns:__ If the CLNP process is activated (with the "clns router isis" command) this is the equivalent to the normal ping command \\
 +__traceroute clns:__ If the CLNP process is activated (with the "clns router isis" command) this is the equivalent to the normal traceroute command \\ \\
 +
 +For a full description of these commands type the command with a "?" or take a look at the book in the sources.
 +
 +----
 +
 +__Sources:__
 +
 +Abe Martey, IS-IS Network Design Solution, Chapter 10 - page 298 - 342
 
troubleshooting.txt · Last modified: 2009/09/13 14:37 (external edit)
 
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