CCNP TSHOOT Learning Guide/Chapter 5

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< CCNP TSHOOT Learning Guide
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Maintaining and Troubleshooting Routing Solutions

Redistributiuon

Redistribution metrics
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

Route-maps

prefix lists

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