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Webcast-Catalyst9k
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Why my eigrp neighbor in not stable

Hi, I have centrol router 3640 with over 20 remote sites running EIGRP over frame relay. But the eigrp neighbors are not stable. I check the frame relay circuit. no problem. I only I can see the peer down information from the show ip eigrp events. Any idea?

50 16:02:46.449 Peer up: 10.1.1.53 Serial0.521

51 16:02:46.040 Peer down end, handle: 0

=======================

B2#sh ip eigrp nei

IP-EIGRP neighbors for process 10

H Address Interface Hold Uptime SRTT RTO Q Seq Type

(sec) (ms) Cnt Num

19 10.1.1.10 Se0/1.524 12 00:21:11 1321 5000 0 545

8 10.1.1.54 Se0/1.530 13 01:43:41 306 1836 0 3630

34 10.1.1.2 Se0/1.526 13 02:10:28 227 1362 0 3250

38 10.1.1.74 Se0/1.140 11 02:35:41 75 1140 0 5616

31 10.1.2.2 Se0/0.528 10 03:21:22 108 1140 0 7466

23 10.1.1.34 Se0/1.536 12 03:36:22 68 1140 0 7632

7 10.1.2.34 Se0/0.529 14 04:59:13 315 1890 0 4167

13 10.1.1.50 Se0/1.533 12 05:30:06 118 1140 0 4001

3 10.1.2.66 Se0/0.550 11 05:34:19 281 1686 0 3777

20 10.1.1.30 Se0/1.522 12 05:36:13 177 1062 0 4250

27 10.1.2.10 Se0/0.539 10 05:48:18 126 1140 0 105

5 10.1.2.46 Se0/0.551 11 06:19:58 237 1422 0 6992

40 10.1.1.26 Se0/1.527 11 06:29:12 92 1140 0 4976

29 10.1.2.62 Se0/0.459 14 09:25:12 56 1140 0 2575

16 10.1.1.46 Se0/1.531 11 13:34:09 54 1140 0 6982

26 10.1.1.38 Se0/1.538 10 14:48:50 76 1140 0 5419

6 10.1.2.54 Se0/0.552 11 15:00:07 76 1140 0 6201

17 10.1.1.58 Se0/1.535 11 16:32:21 61 1140 0 7312

22 10.1.1.18 Se0/1.534 12 20:36:00 132 1140 0 7757

30 10.1.2.42 Se0/0.546 13 21:07:10 68 1140 0 6879

32 10.1.1.6 Se0/1.523 11 21:37:21 52 1140 0 3009

2 10.1.1.70 Se0/1.27 12 21:43:21 64 1140 0 6450

36 10.1.2.30 Se0/0.542 11 21:46:23 95 1140 0 3959

33 10.1.1.62 Se0/1.133 11 22:55:43 64 1140 0 7010

37 10.1.2.70 Se0/0.688 12 23:34:22 53 1140 0 6951

21 10.1.2.6 Se0/0.519 13 1d01h 48 1140 0 6927

25 10.1.1.106 Se0/1.755 12 1d01h 45 1140 0 4195

11 10.1.2.14 Se0/0.541 11 1d05h 189 1140 0 6202

0 10.1.1.114 Se0/1.680 14 1d07h 30 1140 0 8693

12 10.1.1.22 Se0/1.537 13 1d09h 72 1140 0 5252

15 10.1.1.14 Se0/1.525 11 1d09h 85 1140 0 4124

1 10.1.1.42 Se0/1.532 10 1d12h 110 1140 0 7030

24 10.1.2.26 Se0/0.543 13 1d12h 140 1140 0 7697

14 10.1.2.22 Se0/0.544 14 1d18h 79 1140 0 6891

10 10.1.2.38 Se0/0.548 14 1d19h 49 1140 0 6282

18 10.1.2.18 Se0/0.545 12 1d19h 61 1140 0 7361

H Address Interface Hold Uptime SRTT RTO Q Seq Type

(sec) (ms) Cnt Num

39 10.1.1.110 Se0/1.456 12 1d20h 164 1140 0 5548

35 10.1.2.58 Se0/0.547 12 2d00h 65 1140 0 5183

9 10.1.1.102 Se0/1.126 14 2d02h 48 1140 0 6282

28 10.1.2.50 Se0/0.540 12 2d03h 117 1140 0 5946

4 10.1.1.66 Se0/1.25 11 2d18h 67 1140 0 6469

====================

1 REPLY
Gold

Re: Why my eigrp neighbor in not stable

Do you have eigrp neighbor logging turned on? If you do, we'd need to start with that output, since that would tell us why the neighbors are dropping--hold timer expirations, retransmission timeout exceeds, or possibly sia's are the three main culprits, most of the time.

:-)

Russ.W

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