Differences between version 9 and previous revision of ISIS.
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| Newer page: | version 9 | Last edited on Monday, August 16, 2004 9:28:02 pm | by LindsayDruett | Revert |
| Older page: | version 8 | Last edited on Monday, August 16, 2004 5:05:34 pm | by LindsayDruett | Revert |
@@ -11,14 +11,49 @@
[Information about IS-IS from Cisco Systems|http://www.cisco.com/en/US/tech/tk365/tk381/technologies_white_paper09186a00800a3e6f.shtml]
----
!!IS-IS Configuration on Cisco Router
-Global Configurations
+Global Router
Configurations
- Router(config)#__router isis__ ''Starts the IS-IS process on the router''
- Router(config-router)#__net__ ''<network address>'' ''Defines the NET address of the router''
- Router(config-router)#__is-type level-1__ ''Defines whether the router is acting as an L1, L2, or L1-2 router''
+ Router(config)#__router isis__
+
''-
Starts the IS-IS process on the router''
+ Router(config-router)#__net__ ''<network address>''
+
''-
Defines the NET address of the router''
+ Router(config-router)#__is-type level-1__
+
''-
Defines whether the router is acting as an L1, L2, or L1-2 router''
+ Router(config-router)#__summary-address__ ''<address> <mask>''
+ ''- Enables you to summarize the networks manually
''
+Interface Level Configurations
+
+ Router(config-if)#__ip router isis__
+ ''- Turns on Integrated IS-IS routing for the interface''
+ Router(config-if)#__clns router isis__
+ ''- Turns CLNS routing at the interface to allow the Layer 2 LSPs to be unraveled so that the ATT bit can be seen''
+ Router(config-if)#__frame-relay map ip__ ''<destination address> <DLCI>'' __broadcast__
+ ''- Maps the Frame Relay address to the destination and defines the link as a broadcast link to be treated as a LAN''
+
+Operation Verification Commands
+
+ Router#__show clns neighbor {detail}__
+ ''- Displays information drawn from the neigbor table''
+ Router#__show clns interface__
+ ''- Displays information about Integrated IS-IS Hello and timers seen on the interface''
+ Router#__show isis database__
+ ''- Shows the link-state database''
+ Router#__show isis spf-log__
+ ''- Show why and how often the SPF algorithm was calculated (listing the last 20 occurances)''
+
+Troubleshooting Commands
+
+''With troubleshooting using debug, if you're connected via the console port, turn on console logging (Router(config)#__logging console__) or if connected by virtual terminal, turn on the logging monitor (Router#__term mon__)''
+
+ Router#__debug isis adjacencies-packets__
+ ''- Displays information on all adjacency-related activity''
+ Router#__debug isis spf-statistics__
+ ''- Displays statistical information about building routes between routers''
+ Router#__debug isis update-packets__
+ ''- Displays SNPs (CSNPs and PSNPs) and LSPs that are detected by the router''
----
!!IS-IS Terms
|Adjacency|Local routing information that shows the reachability of a directly connect End System (ES)- Node or Intermediate System (IS) - Router. A separate adjacency is created for each neighbor on a circuit, and for each level of routing (that is Level 1 and Level 2) on a broadcast circuit.
