BSCI第三章实验之任务一,二(人邮自学指南BSCI)
www.net130.com     日期：2006-7-16    浏览次数：
出处：思科 思索
这个问题,在路由器上不停提示大量提示:*Mar  1 02:14:23.571: IP-EIGRP(Default-IP-Routing-Table:1): Neighbor 10.1.2.4 not on common subnet for Ethernet0的原因是一样的.路由器从交换机上接到了一个HELLO包,而发送HELLO的路由器不是它的真正邻居,所以就报邻居E0不是合法子网.可以看下HELLO调试信息:
r3-2514#debug eigrp packets
*Mar  1 00:31:32.343: IP-EIGRP(Default-IP-Routing-Table:1): Neighbor 10.1.2.4 not on common subnet for Ethernet0
r3-2514#debug eigrp packets
EIGRP Packets debugging is on
    (UPDATE, REQUEST, QUERY, REPLY, HELLO, IPXSAP, PROBE, ACK, STUB, SIAQUERY, SIAREPLY)
r3-2514#
*Mar  1 00:31:34.287: EIGRP: Received HELLO on Ethernet0 nbr 10.1.1.1
*Mar  1 00:31:34.291:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0
*Mar  1 00:31:34.607: EIGRP: Sending HELLO on Serial1
*Mar  1 00:31:34.611:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0
r3-2514#
*Mar  1 00:31:35.731: EIGRP: Received HELLO on Serial1 nbr 10.1.3.4
*Mar  1 00:31:35.731:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0
r3-2514#
*Mar  1 00:31:36.891: EIGRP: Received HELLO on Ethernet0 nbr 10.1.2.4
*Mar  1 00:31:36.891:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0
*Mar  1 00:31:37.095: EIGRP: Sending HELLO on Loopback0
*Mar  1 00:31:37.099:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0
*Mar  1 00:31:37.103: EIGRP: Received HELLO on Loopback0 nbr 3.3.3.3
*Mar  1 00:31:37.107:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0
*Mar  1 00:31:37.111: EIGRP: Packet from ourselves ignored
*Mar  1 00:31:37.711: EIGRP: Sending HELLO on Ethernet0
*Mar  1 00:31:37.715:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0
r3-2514#
*Mar  1 00:31:39.019: EIGRP: Sending HELLO on Serial1
*Mar  1 00:31:39.023:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0
*Mar  1 00:31:39.095: EIGRP: Received HELLO on Ethernet0 nbr 10.1.1.1
*Mar  1 00:31:39.099:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0
r3-2514#
*Mar  1 00:31:40.279: EIGRP: Received HELLO on Serial1 nbr 10.1.3.4
*Mar  1 00:31:40.279:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0
r3-2514#
*Mar  1 00:31:41.619: EIGRP: Received HELLO on Ethernet0 nbr 10.1.2.4
*Mar  1 00:31:41.619:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0
*Mar  1 00:31:41.819: EIGRP: Sending HELLO on Loopback0
*Mar  1 00:31:41.823:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0
*Mar  1 00:31:41.839: EIGRP: Received HELLO on Loopback0 nbr 3.3.3.3
*Mar  1 00:31:41.843:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0
*Mar  1 00:31:41.847: EIGRP: Packet from ourselves ignored
*Mar  1 00:31:42.579: EIGRP: Sending HELLO on Ethernet0
*Mar  1 00:31:42.583:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0
r3-2514#
*Mar  1 00:31:43.411: EIGRP: Received HELLO on Ethernet0 nbr 10.1.1.1
*Mar  1 00:31:43.415:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0
*Mar  1 00:31:43.487: EIGRP: Sending HELLO on Serial1
*Mar  1 00:31:43.491:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0
r3-2514#
*Mar  1 00:31:45.003: EIGRP: Received HELLO on Serial1 nbr 10.1.3.4
*Mar  1 00:31:45.007:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0
r3-2514#
*Mar  1 00:31:46.587: EIGRP: Received HELLO on Ethernet0 nbr 10.1.2.4
*Mar  1 00:31:46.587:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0
*Mar  1 00:31:46.591: IP-EIGRP(Default-IP-Routing-Table:1): Neighbor 10.1.2.4 not on common subnet for Ethernet0
*Mar  1 00:31:46.819: EIGRP: Sending HELLO on Loopback0
*Mar  1 00:31:46.823:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0
*Mar  1 00:31:46.827: EIGRP: Received HELLO on Loopback0 nbr 3.3.3.3
*Mar  1 00:31:46.831:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0
*Mar  1 00:31:46.835: EIGRP: Packet from ourselves ignored
*Mar  1 00:31:47.107: EIGRP: Sending HELLO on Ethernet0
*Mar  1 00:31:47.111:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0
r3-2514# iidbQ un/rely 0/0
*Mar  1 00:31:47.883: EIGRP: Received HELLO on Ethernet0 nbr 10.1.1.1
*Mar  1 00:31:47.887:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0
r3-2514#
*Mar  1 00:31:48.315: EIGRP: Sending HELLO on Serial1
*Mar  1 00:31:48.319:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0
r3-2514#
*Mar  1 00:31:49.535: EIGRP: Received HELLO on Serial1 nbr 10.1.3.4
*Mar  1 00:31:49.535:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0
r3-2514#
*Mar  1 00:31:50.911: EIGRP: Received HELLO on Ethernet0 nbr 10.1.2.4
*Mar  1 00:31:50.911:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0
*Mar  1 00:31:51.091: EIGRP: Sending HELLO on Loopback0
*Mar  1 00:31:51.095:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0
*Mar  1 00:31:51.099: EIGRP: Received HELLO on Loopback0 nbr 3.3.3.3
*Mar  1 00:31:51.103:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0
*Mar  1 00:31:51.107: EIGRP: Packet from ourselves ignored
r3-2514#
*Mar  1 00:31:51.915: EIGRP: Sending HELLO on Ethernet0
*Mar  1 00:31:51.919:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0
*Mar  1 00:31:52.791: EIGRP: Received HELLO on Ethernet0 nbr 10.1.1.1
*Mar  1 00:31:52.795:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0
r3-2514#
*Mar  1 00:31:53.195: EIGRP: Sending HELLO on Serial1
*Mar  1 00:31:53.199:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0
*Mar  1 00:31:53.983: EIGRP: Received HELLO on Serial1 nbr 10.1.3.4
*Mar  1 00:31:53.983:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0
r3-2514#
*Mar  1 00:31:55.435: EIGRP: Received HELLO on Ethernet0 nbr 10.1.2.4
*Mar  1 00:31:55.435:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0
*Mar  1 00:31:55.739: EIGRP: Sending HELLO on Loopback0
*Mar  1 00:31:55.743:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0
*Mar  1 00:31:55.747: EIGRP: Received HELLO on Loopback0 nbr 3.3.3.3
*Mar  1 00:31:55.751:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0
*Mar  1 00:31:55.755: EIGRP: Packet from ourselves ignored
r3-2514#
*Mar  1 00:31:56.811: EIGRP: Sending HELLO on Ethernet0
*Mar  1 00:31:56.815:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0
*Mar  1 00:31:57.391: EIGRP: Received HELLO on Ethernet0 nbr 10.1.1.1
*Mar  1 00:31:57.395:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0
*Mar  1 00:31:57.623: EIGRP: Sending HELLO on Serial1
*Mar  1 00:31:57.627:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0
r3-2514#
*Mar  1 00:31:58.875: EIGRP: Received HELLO on Serial1 nbr 10.1.3.4
*Mar  1 00:31:58.875:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0
r3-2514#
*Mar  1 00:32:00.031: EIGRP: Received HELLO on Ethernet0 nbr 10.1.2.4
*Mar  1 00:32:00.031:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0
*Mar  1 00:32:00.035: IP-EIGRP(Default-IP-Routing-Table:1): Neighbor 10.1.2.4 not on common subnet for Ethernet0
*Mar  1 00:32:00.079: EIGRP: Sending HELLO on Loopback0
*Mar  1 00:32:00.083:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0
*Mar  1 00:32:00.087: EIGRP: Received HELLO on Loopback0 nbr 3.3.3.3
*Mar  1 00:32:00.091:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0
*Mar  1 00:32:00.095: EIGRP: Packet from ourselves ignored
r3-2514#
*Mar  1 00:32:01.207: EIGRP: Sending HELLO on Ethernet0
*Mar  1 00:32:01.211:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0
*Mar  1 00:32:01.979: EIGRP: Received HELLO on Ethernet0 nbr 10.1.1.1
*Mar  1 00:32:01.983:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0
r3-2514#
*Mar  1 00:32:02.519: EIGRP: Sending HELLO on Serial1
*Mar  1 00:32:02.523:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0
r3-2514#
*Mar  1 00:32:03.623: EIGRP: Received HELLO on Serial1 nbr 10.1.3.4
*Mar  1 00:32:03.623:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0
r3-2514#
*Mar  1 00:32:04.659: EIGRP: Sending HELLO on Loopback0
*Mar  1 00:32:04.663:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0
*Mar  1 00:32:04.667: EIGRP: Received HELLO on Loopback0 nbr 3.3.3.3
*Mar  1 00:32:04.671:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0
*Mar  1 00:32:04.675: EIGRP: Packet from ourselves ignored
*Mar  1 00:32:04.879: EIGRP: Received HELLO on Ethernet0 nbr 10.1.2.4
*Mar  1 00:32:04.879:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0
r3-2514#
*Mar  1 00:32:06.035: EIGRP: Sending HELLO on Ethernet0
*Mar  1 00:32:06.039:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0
*Mar  1 00:32:06.923: EIGRP: Received HELLO on Ethernet0 nbr 10.1.1.1
*Mar  1 00:32:06.927:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0
*Mar  1 00:32:06.931: EIGRP: Sending HELLO on Serial1
*Mar  1 00:32:06.935:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0
r3-2514#
*Mar  1 00:32:07.943: EIGRP: Received HELLO on Serial1 nbr 10.1.3.4
*Mar  1 00:32:07.943:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0
r3-2514#uanl
*Mar  1 00:32:09.147: EIGRP: Sending HELLO on Loopback0
*Mar  1 00:32:09.151:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0
*Mar  1 00:32:09.155: EIGRP: Received HELLO on Loopback0 nbr 3.3.3.3
*Mar  1 00:32:09.159:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0
*Mar  1 00:32:09.163: EIGRP: Packet from ourselves ignored
*Mar  1 00:32:09.399: EIGRP: Received HELLO on Ethernet0 nbr 10.1.2.4
*Mar  1 00:32:09.403:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0
r3-2514#un 
*Mar  1 00:32:10.379: EIGRP: Sending HELLO on Ethernet0
*Mar  1 00:32:10.383:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0
*Mar  1 00:32:11.223: EIGRP: Received HELLO on Ethernet0 nbr 10.1.1.1
*Mar  1 00:32:11.227:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0
*Mar  1 00:32:11.379: EIGRP: Sending HELLO on Serial1
*Mar  1 00:32:11.383:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0
r3-2514#un all
All possible debugging has been turned off
r3-2514#
*Mar  1 00:32:12.759: EIGRP: Received HELLO on Serial1 nbr 10.1.3.4
*Mar  1 00:32:12.763:   AS 1, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0
路由器一旦接到10.1.2.4发来的HELLO就返回一个那样的提示信息出来,看上面的蓝色部分.
另外从这个上面也可以看出HELLO消息在以太网链路上是5秒一次,在这个全互连帧中继线路上也是5秒一次.

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