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Sunday, August 26, 2012

eigrp verify detour...





Which routes have been added to the IP routing
table by EIGRP?

r2#sh ip route eigrp
     10.0.0.0/19 is subnetted, 11 subnets
D       10.1.0.0 [90/40640000] via 172.16.124.1, 00:02:57, Serial1/2
D       10.1.32.0 [90/40640000] via 172.16.124.1, 00:02:57, Serial1/2
D       10.1.64.0 [90/40640000] via 172.16.124.1, 00:02:57, Serial1/2
D       10.1.96.0 [90/40640000] via 172.16.124.1, 00:02:57, Serial1/2
D       10.1.160.0 [90/40640000] via 172.16.124.1, 00:02:57, Serial1/2

All routes in a router’s routing table.

r2#sh ip route

Gateway of last resort is not set

     172.16.0.0/29 is subnetted, 1 subnets
C       172.16.124.0 is directly connected, Serial1/2
     10.0.0.0/19 is subnetted, 11 subnets
C       10.2.0.0 is directly connected, Loopback1
D       10.1.0.0 [90/40640000] via 172.16.124.1, 00:03:43, Serial1/2
C       10.2.32.0 is directly connected, Loopback33
D       10.1.32.0 [90/40640000] via 172.16.124.1, 00:03:43, Serial1/2
C       10.2.64.0 is directly connected, Loopback65
D       10.1.64.0 [90/40640000] via 172.16.124.1, 00:03:43, Serial1/2
C       10.2.96.0 is directly connected, Loopback97
D       10.1.96.0 [90/40640000] via 172.16.124.1, 00:03:43, Serial1/2
C       10.1.128.0 is directly connected, Loopback129
C       10.2.160.0 is directly connected, Loopback161
D       10.1.160.0 [90/40640000] via 172.16.124.1, 00:03:46, Serial1/2

The specific route for a single destination address
or subnet.

r2#sh ip route 10.1.0.0
Routing entry for 10.1.0.0/19
  Known via "eigrp 1", distance 90, metric 40640000, type internal
  Redistributing via eigrp 1
  Last update from 172.16.124.1 on Serial1/2, 00:05:38 ago
  Routing Descriptor Blocks:
  * 172.16.124.1, from 172.16.124.1, 00:05:38 ago, via Serial1/2
      Route metric is 40640000, traffic share count is 1
      Total delay is 25000 microseconds, minimum bandwidth is 64 Kbit
      Reliability 255/255, minimum MTU 1500 bytes
      Loading 1/255, Hops 1

A list of all (both static and dynamically discov-
ered) EIGRP neighbors.

r1#sh ip eigrp neigh
IP-EIGRP neighbors for process 1
H   Address                 Interface   Hold Uptime   SRTT   RTO  Q  Seq Type
                                        (sec)         (ms)       Cnt Num
1   172.16.124.2            Se1/1        125 00:11:14 1144  5000  0  2  
0   172.16.124.3            Se1/1        164 00:11:20   49  1140  0  2  

Notation of whether a neighbor was dynamically
discovered or statically configured.

r1#sh ip route
Codes: C - connected, S - static, I - IGRP, 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, E - EGP
       i - IS-IS, 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

Lists statistics regarding the numbers of EIGRP
messages sent and received by a router.

r1#sh ip eigrp traffic
IP-EIGRP Traffic Statistics for process 1
  Hellos sent/received: 1200/1218
  Updates sent/received: 6/6
  Queries sent/received: 0/0
  Replies sent/received: 0/0
  Acks sent/received: 3/3
  Input queue high water mark 5, 0 drops
  SIA-Queries sent/received: 0/0
  SIA-Replies sent/received: 0/0

List interfaces on which EIGRP has been enabled
(by virtue of the EIGRP network command).

r1#sh ip eigrp int
IP-EIGRP interfaces for process 1

                    Xmit Queue   Mean   Pacing Time   Multicast    Pending
Interface    Peers  Un/Reliable  SRTT   Un/Reliable   Flow Timer   Routes
Lo1            0        0/0         0       0/10           0           0
Lo33           0        0/0         0       0/10           0           0
Lo65           0        0/0         0       0/10           0           0
Lo97           0        0/0         0       0/10           0           0
Lo161          0        0/0         0       0/10           0           0
Se1/1          2        0/0       596       5/190       3308           0

List the number of EIGRP peers known via a par-
ticular interface.

r1#sh ip eigrp int s1/1
IP-EIGRP interfaces for process 1

                    Xmit Queue   Mean   Pacing Time   Multicast    Pending
Interface    Peers  Un/Reliable  SRTT   Un/Reliable   Flow Timer   Routes
Se1/1          2        0/0       596       5/190       3308           0

The elapsed time since a neighborship was formed.

r1#sh ip eigrp neigh det
IP-EIGRP neighbors for process 1
H   Address                 Interface   Hold Uptime   SRTT   RTO  Q  Seq Type
                                        (sec)         (ms)       Cnt Num
1   172.16.124.2            Se1/1        172 00:21:46 1144  5000  0  2  
   Version 12.2/1.2, Retrans: 0, Retries: 0
0   172.16.124.3            Se1/1        153 00:21:51   49  1140  0  2  
   Version 12.2/1.2, Retrans: 1, Retries: 0

The parameters of any EIGRP network commands.

r1#sh run | begin eigrp
router eigrp 1
 network 10.0.0.0
 network 172.16.0.0
 no auto-summary

The configured Hello timer for an interface.

r1#sh ip eigrp int det s1/1
IP-EIGRP interfaces for process 1

                    Xmit Queue   Mean   Pacing Time   Multicast    Pending
Interface    Peers  Un/Reliable  SRTT   Un/Reliable   Flow Timer   Routes
Se1/1          2        0/0       596       5/190       3308           0
  Next xmit serial
  Un/reliable mcasts: 0/0  Un/reliable ucasts: 3/6
  Mcast exceptions: 0  CR packets: 0  ACKs suppressed: 0
  Retransmissions sent: 1  Out-of-sequence rcvd: 0





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