Difference between revisions of "CCNP TSHOOT Learning Guide/Chapter 5"
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=IOS Commands to verify Routing Functions= | =IOS Commands to verify Routing Functions= | ||
+ | ==Verifying and Troubleshooting Route Propagation == | ||
+ | ===Debug ip routing=== | ||
+ | <source lang=cli> | ||
+ | R1#<input>debug ip routing</input> | ||
+ | IP routing debugging is on | ||
+ | R1#<input>sh ip route</input> | ||
+ | Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP | ||
+ | D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area | ||
+ | N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 | ||
+ | E1 - OSPF external type 1, E2 - OSPF external type 2 | ||
+ | i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 | ||
+ | ia - IS-IS inter area, * - candidate default, U - per-user static route | ||
+ | o - ODR, P - periodic downloaded static route | ||
+ | |||
+ | Gateway of last resort is 209.165.200.226 to network 0.0.0.0 | ||
+ | |||
+ | 209.165.200.0/24 is variably subnetted, 2 subnets, 2 masks | ||
+ | C 209.165.200.224/30 is directly connected, Serial0/0/0 | ||
+ | C 209.165.200.226/32 is directly connected, Serial0/0/0 | ||
+ | 10.0.0.0/8 is variably subnetted, 9 subnets, 3 masks | ||
+ | D 10.1.10.0/24 [90/28416] via 10.1.2.1, 02:28:50, FastEthernet0/1 | ||
+ | D 10.1.2.12/30 [90/30976] via 10.1.2.1, 02:28:50, FastEthernet0/1 | ||
+ | C 10.1.2.0/30 is directly connected, FastEthernet0/1 | ||
+ | D 10.1.30.0/24 [90/28416] via 10.1.2.1, 02:28:51, FastEthernet0/1 | ||
+ | D 10.1.20.0/24 [90/28416] via 10.1.2.1, 02:28:51, FastEthernet0/1 | ||
+ | D 10.1.50.0/24 [90/28416] via 10.1.2.1, 02:28:51, FastEthernet0/1 | ||
+ | D 10.1.100.0/24 [90/28416] via 10.1.2.1, 02:28:51, FastEthernet0/1 | ||
+ | D 10.1.203.1/32 [90/158976] via 10.1.2.1, 02:28:51, FastEthernet0/1 | ||
+ | D 10.1.200.0/24 [90/28416] via 10.1.2.1, 02:28:51, FastEthernet0/1 | ||
+ | C 192.168.1.0/24 is directly connected, Loopback0 | ||
+ | S* 0.0.0.0/0 [1/0] via 209.165.200.226 | ||
+ | R1#<input>sh run | section router eigrp</input> | ||
+ | router eigrp 1 | ||
+ | redistribute static | ||
+ | passive-interface default | ||
+ | no passive-interface FastEthernet0/1 | ||
+ | network 10.1.2.0 0.0.0.3 | ||
+ | network 192.168.1.1 0.0.0.0 | ||
+ | no auto-summary | ||
+ | R1#<input>clear ip eigrp 1 neighbors</input> | ||
+ | R1# | ||
+ | Jun 18 12:45:44.546: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 1: <notice>Neighbor 10.1.2.1 (FastEthernet0/1) is down: manually cleared</notice> | ||
+ | Jun 18 12:45:44.546: RT: delete route to 10.1.10.0 via 10.1.2.1, eigrp metric [90/28416] | ||
+ | Jun 18 12:45:44.546: RT: no routes to 10.1.10.0 | ||
+ | Jun 18 12:45:44.546: RT: NET-RED 10.1.10.0/24 | ||
+ | Jun 18 12:45:44.546: RT: delete subnet route to 10.1.10.0/24 | ||
+ | Jun 18 12:45:44.546: RT: NET-RED 10.1.10.0/24 | ||
+ | Jun 18 12:45:44.546: RT: delete route to 10.1.2.12 via 10.1.2.1, eigrp metric [90/30976] | ||
+ | Jun 18 12:45:44.546: RT: no routes to 10.1.2.12 | ||
+ | Jun 18 12:45:44.546: RT: NET-RED 10.1.2.12/30 | ||
+ | Jun 18 12:45:44.546: RT: delete subnet route to 10.1.2.12/30 | ||
+ | Jun 18 12:45:44.546: RT: NET-RED 10.1.2.12/30 | ||
+ | Jun 18 12:45:44.546: RT: delete route to 10.1.30.0 via 10.1.2.1, eigrp metric [90/28416] | ||
+ | Jun 18 12:45:44.546: RT: no routes to 10.1.30.0 | ||
+ | Jun 18 12:45:44.546: RT: NET-RED 10.1.30.0/24 | ||
+ | Jun 18 12:45:44.546: RT: delete subnet route to 10.1.30.0/24 | ||
+ | Jun 18 12:45:44.546: RT: NET-RED 10.1.30. | ||
+ | R1#0/24 | ||
+ | Jun 18 12:45:44.550: RT: delete route to 10.1.20.0 via 10.1.2.1, eigrp metric [90/28416] | ||
+ | Jun 18 12:45:44.550: RT: no routes to 10.1.20.0 | ||
+ | Jun 18 12:45:44.550: RT: NET-RED 10.1.20.0/24 | ||
+ | Jun 18 12:45:44.550: RT: delete subnet route to 10.1.20.0/24 | ||
+ | Jun 18 12:45:44.550: RT: NET-RED 10.1.20.0/24 | ||
+ | Jun 18 12:45:44.550: RT: delete route to 10.1.50.0 via 10.1.2.1, eigrp metric [90/28416] | ||
+ | Jun 18 12:45:44.550: RT: no routes to 10.1.50.0 | ||
+ | Jun 18 12:45:44.550: RT: NET-RED 10.1.50.0/24 | ||
+ | Jun 18 12:45:44.550: RT: delete subnet route to 10.1.50.0/24 | ||
+ | Jun 18 12:45:44.550: RT: NET-RED 10.1.50.0/24 | ||
+ | Jun 18 12:45:44.550: RT: delete route to 10.1.100.0 via 10.1.2.1, eigrp metric [90/28416] | ||
+ | Jun 18 12:45:44.550: RT: no routes to 10.1.100.0 | ||
+ | Jun 18 12:45:44.550: RT: NET-RED 10.1.100.0/24 | ||
+ | Jun 18 12:45:44.550: RT: delete subnet route to 10.1.100.0/24 | ||
+ | Jun 18 12:45:44.550: RT: NET-RED 10.1.100.0/24 | ||
+ | Jun 18 12:45:44.550: RT: delete route to 10.1.203.1 via 10.1.2.1, eigrp metric [90/158976] | ||
+ | Jun 18 12:45:44.550: RT: no routes to 10.1.203.1 | ||
+ | Jun 18 12:45:44.550: RT: NET-RED 10.1.203.1/32 | ||
+ | Jun 18 12:45:44.550: RT: delete subnet route to 10.1.203.1/32 | ||
+ | Jun 18 12:45:44.550: RT: NET-RED 10.1.203.1/32 | ||
+ | Jun 18 12:45:44.554: RT: delete route to 10.1.200.0 via 10.1.2.1, eigrp metric [90/28416] | ||
+ | Jun 18 12:45:44.554: RT: no routes to 10.1.200.0 | ||
+ | Jun 18 12:45:44.554: RT: NET-RED 10.1.200.0/24 | ||
+ | Jun 18 12:45:44.554: RT: delete subnet route to 10.1.200.0/24 | ||
+ | Jun 18 12:45:44.554: RT: NET-RED 10.1.200.0/24 | ||
+ | Jun 18 12:45:46.558: RT: NET-RED 0.0.0.0/0 | ||
+ | Jun 18 12:45:47.214: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 1: <notice>Neighbor 10.1.2.1 (FastEthernet0/1) is up: new adjacency</notice> | ||
+ | Jun 18 12:45:47.258: RT: network 10.0.0.0 is now variably masked | ||
+ | Jun 18 12:45:47.258: RT: add 10.1.10.0/24 via 10.1.2.1, eigrp metric [90/28416] | ||
+ | Jun 18 12:45:47.258: RT: NET-RED 10.1.10.0/24 | ||
+ | Jun 18 12:45:47.258: RT: add 10.1.20.0/24 via 10.1.2.1, eigrp metric [90/28416] | ||
+ | Jun 18 12:45:47.258: RT: NET-RED 10.1.20.0/24 | ||
+ | Jun 18 12:45:47.258: RT: add 10.1.30.0/24 via 10.1.2.1, eigrp metric [90/28416] | ||
+ | Jun 18 12:45:47.258: RT: NET-RED 10.1.30.0/24 | ||
+ | Jun 18 12:45:47.262: RT: add 10.1.50.0/24 via 10.1.2.1, eigrp metric [90/28416] | ||
+ | Jun 18 12:45:47.262: RT: NET-RED 10.1.50.0/24 | ||
+ | Jun 18 12:45:47.262: RT: add 10.1.100.0/24 via 10.1.2.1, eigrp metric [90/28416] | ||
+ | Jun 18 12:45:47.262: RT: | ||
+ | R1#NET-RED 10.1.100.0/24 | ||
+ | Jun 18 12:45:47.262: RT: add 10.1.200.0/24 via 10.1.2.1, eigrp metric [90/28416] | ||
+ | Jun 18 12:45:47.262: RT: NET-RED 10.1.200.0/24 | ||
+ | Jun 18 12:45:47.262: RT: add 10.1.2.12/30 via 10.1.2.1, eigrp metric [90/30976] | ||
+ | Jun 18 12:45:47.262: RT: NET-RED 10.1.2.12/30 | ||
+ | Jun 18 12:45:47.262: RT: add 10.1.203.1/32 via 10.1.2.1, eigrp metric [90/158976] | ||
+ | Jun 18 12:45:47.262: RT: NET-RED 10.1.203.1/32 | ||
+ | R1#<input>no debug ip routing</input> | ||
+ | IP routing debugging is off | ||
+ | |||
+ | </source> | ||
+ | ===Route Profiling=== | ||
+ | R1(config)#<input>ip route profile</input> | ||
+ | R1(config)#<input>^Z</input> | ||
+ | Jun 18 12:46:41.803: %SYS-5-CONFIG_I: Configured from console by console | ||
+ | R1#<input>sh ip route profile</input> | ||
+ | IP routing table change statistics: | ||
+ | Frequency of changes in a 5 second sampling interval | ||
+ | ------------------------------------------------------------- | ||
+ | Change/ Fwd-path Prefix Nexthop Pathcount Prefix | ||
+ | interval change add change change refresh | ||
+ | ------------------------------------------------------------- | ||
+ | 0 2 2 2 2 1 | ||
+ | 1 0 0 0 0 1 | ||
+ | 2 0 0 0 0 0 | ||
+ | 3 0 0 0 0 0 | ||
+ | 4 0 0 0 0 0 | ||
+ | 5 0 0 0 0 0 | ||
+ | 10 0 0 0 0 0 | ||
+ | 15 0 0 0 0 0 | ||
+ | 20 0 0 0 0 0 | ||
+ | 25 0 0 0 0 0 | ||
+ | 30 0 0 0 0 0 | ||
+ | 55 0 0 0 0 0 | ||
+ | 80 0 0 0 0 0 | ||
+ | 105 0 0 0 0 0 | ||
+ | 130 0 0 0 0 0 | ||
+ | 155 0 0 0 0 0 | ||
+ | 280 0 0 0 0 0 | ||
+ | 405 0 0 0 0 0 | ||
+ | ------------------------------------------------------------- | ||
+ | Change/ Fwd-path Prefix Nexthop Pathcount Prefix | ||
+ | interval change add change change refresh | ||
+ | ------------------------------------------------------------- | ||
+ | 530 0 0 0 0 0 | ||
+ | 655 0 0 0 0 0 | ||
+ | 780 0 0 0 0 0 | ||
+ | 1405 0 0 0 0 0 | ||
+ | 2030 0 0 0 0 0 | ||
+ | 2655 0 0 0 0 0 | ||
+ | 3280 0 0 0 0 0 | ||
+ | 3905 0 0 0 0 0 | ||
+ | 7030 0 0 0 0 0 | ||
+ | 10155 0 0 0 0 0 | ||
+ | 13280 0 0 0 0 0 | ||
+ | Overflow 0 0 0 0 0 | ||
+ | R1#<input>conf t</input> | ||
+ | R1(config)#<input>no ip route profile</input> | ||
+ | </source> | ||
==show ip cef== | ==show ip cef== | ||
<source lang=cli> | <source lang=cli> |
Revision as of 13:59, 18 June 2010
Maintaining and Troubleshooting Routing Solutions
Contents
Redistributiuon
Protocol | Default Seed Metric |
---|---|
RIP | Infinity |
IGRP/EIGRP | Infinity |
OSPF | 20 except from BGP then 1 |
ISIS | 0 |
BGP | IGP |
IOS Commands to verify Routing Functions
Verifying and Troubleshooting Route Propagation
Debug ip routing
R1#<input>debug ip routing</input>
IP routing debugging is on
R1#<input>sh ip route</input>
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route
Gateway of last resort is 209.165.200.226 to network 0.0.0.0
209.165.200.0/24 is variably subnetted, 2 subnets, 2 masks
C 209.165.200.224/30 is directly connected, Serial0/0/0
C 209.165.200.226/32 is directly connected, Serial0/0/0
10.0.0.0/8 is variably subnetted, 9 subnets, 3 masks
D 10.1.10.0/24 [90/28416] via 10.1.2.1, 02:28:50, FastEthernet0/1
D 10.1.2.12/30 [90/30976] via 10.1.2.1, 02:28:50, FastEthernet0/1
C 10.1.2.0/30 is directly connected, FastEthernet0/1
D 10.1.30.0/24 [90/28416] via 10.1.2.1, 02:28:51, FastEthernet0/1
D 10.1.20.0/24 [90/28416] via 10.1.2.1, 02:28:51, FastEthernet0/1
D 10.1.50.0/24 [90/28416] via 10.1.2.1, 02:28:51, FastEthernet0/1
D 10.1.100.0/24 [90/28416] via 10.1.2.1, 02:28:51, FastEthernet0/1
D 10.1.203.1/32 [90/158976] via 10.1.2.1, 02:28:51, FastEthernet0/1
D 10.1.200.0/24 [90/28416] via 10.1.2.1, 02:28:51, FastEthernet0/1
C 192.168.1.0/24 is directly connected, Loopback0
S* 0.0.0.0/0 [1/0] via 209.165.200.226
R1#<input>sh run | section router eigrp</input>
router eigrp 1
redistribute static
passive-interface default
no passive-interface FastEthernet0/1
network 10.1.2.0 0.0.0.3
network 192.168.1.1 0.0.0.0
no auto-summary
R1#<input>clear ip eigrp 1 neighbors</input>
R1#
Jun 18 12:45:44.546: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 1: <notice>Neighbor 10.1.2.1 (FastEthernet0/1) is down: manually cleared</notice>
Jun 18 12:45:44.546: RT: delete route to 10.1.10.0 via 10.1.2.1, eigrp metric [90/28416]
Jun 18 12:45:44.546: RT: no routes to 10.1.10.0
Jun 18 12:45:44.546: RT: NET-RED 10.1.10.0/24
Jun 18 12:45:44.546: RT: delete subnet route to 10.1.10.0/24
Jun 18 12:45:44.546: RT: NET-RED 10.1.10.0/24
Jun 18 12:45:44.546: RT: delete route to 10.1.2.12 via 10.1.2.1, eigrp metric [90/30976]
Jun 18 12:45:44.546: RT: no routes to 10.1.2.12
Jun 18 12:45:44.546: RT: NET-RED 10.1.2.12/30
Jun 18 12:45:44.546: RT: delete subnet route to 10.1.2.12/30
Jun 18 12:45:44.546: RT: NET-RED 10.1.2.12/30
Jun 18 12:45:44.546: RT: delete route to 10.1.30.0 via 10.1.2.1, eigrp metric [90/28416]
Jun 18 12:45:44.546: RT: no routes to 10.1.30.0
Jun 18 12:45:44.546: RT: NET-RED 10.1.30.0/24
Jun 18 12:45:44.546: RT: delete subnet route to 10.1.30.0/24
Jun 18 12:45:44.546: RT: NET-RED 10.1.30.
R1#0/24
Jun 18 12:45:44.550: RT: delete route to 10.1.20.0 via 10.1.2.1, eigrp metric [90/28416]
Jun 18 12:45:44.550: RT: no routes to 10.1.20.0
Jun 18 12:45:44.550: RT: NET-RED 10.1.20.0/24
Jun 18 12:45:44.550: RT: delete subnet route to 10.1.20.0/24
Jun 18 12:45:44.550: RT: NET-RED 10.1.20.0/24
Jun 18 12:45:44.550: RT: delete route to 10.1.50.0 via 10.1.2.1, eigrp metric [90/28416]
Jun 18 12:45:44.550: RT: no routes to 10.1.50.0
Jun 18 12:45:44.550: RT: NET-RED 10.1.50.0/24
Jun 18 12:45:44.550: RT: delete subnet route to 10.1.50.0/24
Jun 18 12:45:44.550: RT: NET-RED 10.1.50.0/24
Jun 18 12:45:44.550: RT: delete route to 10.1.100.0 via 10.1.2.1, eigrp metric [90/28416]
Jun 18 12:45:44.550: RT: no routes to 10.1.100.0
Jun 18 12:45:44.550: RT: NET-RED 10.1.100.0/24
Jun 18 12:45:44.550: RT: delete subnet route to 10.1.100.0/24
Jun 18 12:45:44.550: RT: NET-RED 10.1.100.0/24
Jun 18 12:45:44.550: RT: delete route to 10.1.203.1 via 10.1.2.1, eigrp metric [90/158976]
Jun 18 12:45:44.550: RT: no routes to 10.1.203.1
Jun 18 12:45:44.550: RT: NET-RED 10.1.203.1/32
Jun 18 12:45:44.550: RT: delete subnet route to 10.1.203.1/32
Jun 18 12:45:44.550: RT: NET-RED 10.1.203.1/32
Jun 18 12:45:44.554: RT: delete route to 10.1.200.0 via 10.1.2.1, eigrp metric [90/28416]
Jun 18 12:45:44.554: RT: no routes to 10.1.200.0
Jun 18 12:45:44.554: RT: NET-RED 10.1.200.0/24
Jun 18 12:45:44.554: RT: delete subnet route to 10.1.200.0/24
Jun 18 12:45:44.554: RT: NET-RED 10.1.200.0/24
Jun 18 12:45:46.558: RT: NET-RED 0.0.0.0/0
Jun 18 12:45:47.214: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 1: <notice>Neighbor 10.1.2.1 (FastEthernet0/1) is up: new adjacency</notice>
Jun 18 12:45:47.258: RT: network 10.0.0.0 is now variably masked
Jun 18 12:45:47.258: RT: add 10.1.10.0/24 via 10.1.2.1, eigrp metric [90/28416]
Jun 18 12:45:47.258: RT: NET-RED 10.1.10.0/24
Jun 18 12:45:47.258: RT: add 10.1.20.0/24 via 10.1.2.1, eigrp metric [90/28416]
Jun 18 12:45:47.258: RT: NET-RED 10.1.20.0/24
Jun 18 12:45:47.258: RT: add 10.1.30.0/24 via 10.1.2.1, eigrp metric [90/28416]
Jun 18 12:45:47.258: RT: NET-RED 10.1.30.0/24
Jun 18 12:45:47.262: RT: add 10.1.50.0/24 via 10.1.2.1, eigrp metric [90/28416]
Jun 18 12:45:47.262: RT: NET-RED 10.1.50.0/24
Jun 18 12:45:47.262: RT: add 10.1.100.0/24 via 10.1.2.1, eigrp metric [90/28416]
Jun 18 12:45:47.262: RT:
R1#NET-RED 10.1.100.0/24
Jun 18 12:45:47.262: RT: add 10.1.200.0/24 via 10.1.2.1, eigrp metric [90/28416]
Jun 18 12:45:47.262: RT: NET-RED 10.1.200.0/24
Jun 18 12:45:47.262: RT: add 10.1.2.12/30 via 10.1.2.1, eigrp metric [90/30976]
Jun 18 12:45:47.262: RT: NET-RED 10.1.2.12/30
Jun 18 12:45:47.262: RT: add 10.1.203.1/32 via 10.1.2.1, eigrp metric [90/158976]
Jun 18 12:45:47.262: RT: NET-RED 10.1.203.1/32
R1#<input>no debug ip routing</input>
IP routing debugging is off
Route Profiling
R1(config)#<input>ip route profile</input> R1(config)#<input>^Z</input> Jun 18 12:46:41.803: %SYS-5-CONFIG_I: Configured from console by console R1#<input>sh ip route profile</input> IP routing table change statistics: Frequency of changes in a 5 second sampling interval
Change/ Fwd-path Prefix Nexthop Pathcount Prefix interval change add change change refresh
0 2 2 2 2 1 1 0 0 0 0 1 2 0 0 0 0 0 3 0 0 0 0 0 4 0 0 0 0 0 5 0 0 0 0 0 10 0 0 0 0 0 15 0 0 0 0 0 20 0 0 0 0 0 25 0 0 0 0 0 30 0 0 0 0 0 55 0 0 0 0 0 80 0 0 0 0 0 105 0 0 0 0 0 130 0 0 0 0 0 155 0 0 0 0 0 280 0 0 0 0 0 405 0 0 0 0 0
Change/ Fwd-path Prefix Nexthop Pathcount Prefix interval change add change change refresh
530 0 0 0 0 0 655 0 0 0 0 0 780 0 0 0 0 0 1405 0 0 0 0 0 2030 0 0 0 0 0 2655 0 0 0 0 0 3280 0 0 0 0 0 3905 0 0 0 0 0 7030 0 0 0 0 0 10155 0 0 0 0 0 13280 0 0 0 0 0 Overflow 0 0 0 0 0 R1#<input>conf t</input> R1(config)#<input>no ip route profile</input> </source>
show ip cef
SW1#show ip cef exact-route 172.16.4.16 192.168.22.73
172.16.4.16 -> 192.168.22.73 => IP adj out of Vlan1, addr 172.16.4.16
show ip prot
remember