EIGRP邻居拍打着

我在GNS3中设置了EIGRP拓扑。 它看起来像这样:

R7和R8之间的邻居关系不断扑动,我不知道为什么。 你好定时器和时间延迟都设置正确。 我认为这一定是我的configuration。 我还在wireshark中嗅探了networkingstream量,并且充斥着从R7发往R8的ICMP TTL Exceeded数据包。

我已经testing它如下:

  • 只打开R1-R6 = EIGRP路由工作正常
  • 只打开R7-R9 = EIGRP路由工作正常
  • 打开所有路由器=邻居震荡和networking充斥着ICMP数据包

这是我的configuration:

#R1 int f1/0 ip addr 172.16.1.1 255.255.255.0 no shut int lo0 ip addr 192.168.1.1 255.255.255.240 no shut int lo1 ip addr 192.168.1.17 255.255.255.240 no shut int lo2 ip addr 192.168.1.33 255.255.255.224 no shut int lo3 ip addr 192.168.1.65 255.255.255.224 no shut int lo4 ip addr 192.168.1.97 255.255.255.224 no shut int lo5 ip addr 192.168.1.129 255.255.255.192 no shut int f1/1 ip addr 192.168.1.193 255.255.255.192 no shut end conf t router eigrp 1 network 172.16.1.0 0.0.0.255 network 192.168.1.0 0.0.0.255 #R2 int f1/0 ip addr 172.16.1.2 255.255.255.0 no shut int lo0 ip addr 192.168.2.1 255.255.255.248 no shut int lo1 ip addr 192.168.2.9 255.255.255.248 no shut int lo2 ip addr 192.168.2.17 255.255.255.240 no shut int lo3 ip addr 192.168.2.33 255.255.255.224 no shut int lo4 ip addr 192.168.2.65 255.255.255.224 no shut int lo5 ip addr 192.168.2.97 255.255.255.224 no shut int f1/1 ip addr 192.168.2.129 255.255.255.128 no shut end conf t router eigrp 1 network 172.16.1.0 0.0.0.255 network 192.168.2.0 0.0.0.255 #R3 int f1/0 ip addr 172.16.1.3 255.255.255.0 no shut int lo0 ip addr 192.168.3.1 255.255.255.240 no shut int lo1 ip addr 192.168.3.17 255.255.255.240 no shut int lo2 ip addr 192.168.3.33 255.255.255.224 no shut int lo3 ip addr 192.168.3.65 255.255.255.224 no shut int lo4 ip addr 192.168.3.97 255.255.255.224 no shut int lo5 ip addr 192.168.3.129 255.255.255.192 no shut int f1/1 ip addr 192.168.3.193 255.255.255.192 no shut end conf t router eigrp 1 network 172.16.1.0 0.0.0.255 network 192.168.3.0 0.0.0.255 #R4 int f1/0 ip addr 172.16.2.5 255.255.255.0 no shut int lo0 ip addr 192.168.6.1 255.255.255.240 no shut int lo1 ip addr 192.168.6.17 255.255.255.240 no shut int lo2 ip addr 192.168.6.33 255.255.255.224 no shut int lo3 ip addr 192.168.6.65 255.255.255.224 no shut int lo4 ip addr 192.168.6.97 255.255.255.224 no shut int lo5 ip addr 192.168.6.129 255.255.255.192 no shut int f1/1 ip addr 192.168.6.193 255.255.255.192 no shut end conf t router eigrp 1 network 172.16.2.0 0.0.0.255 network 192.168.6.0 0.0.0.255 #R5 int f1/0 ip addr 172.16.2.6 255.255.255.0 no shut int lo0 ip addr 192.168.7.1 255.255.255.248 no shut int lo1 ip addr 192.168.7.9 255.255.255.248 no shut int lo2 ip addr 192.168.7.17 255.255.255.240 no shut int lo3 ip addr 192.168.7.33 255.255.255.224 no shut int lo4 ip addr 192.168.7.65 255.255.255.224 no shut int lo5 ip addr 192.168.7.97 255.255.255.224 no shut int f1/1 ip addr 192.168.7.129 255.255.255.128 no shut end conf t router eigrp 1 network 172.16.2.0 0.0.0.255 network 192.168.7.0 0.0.0.255 #R6 int f1/0 ip addr 172.16.2.7 255.255.255.0 no shut int lo0 ip addr 192.168.8.1 255.255.255.240 no shut int lo1 ip addr 192.168.8.17 255.255.255.240 no shut int lo2 ip addr 192.168.8.33 255.255.255.224 no shut int lo3 ip addr 192.168.8.65 255.255.255.224 no shut int lo4 ip addr 192.168.8.97 255.255.255.224 no shut int lo5 ip addr 192.168.8.129 255.255.255.192 no shut int f1/1 ip addr 192.168.8.193 255.255.255.192 no shut end conf t router eigrp 1 network 172.16.2.0 0.0.0.255 network 192.168.8.0 0.0.0.255 #R7 int s1/1 ip addr 10.9.0.2 255.255.255.252 no shut int s1/0 ip addr 119.119.119.1 255.255.255.252 no shut int f2/0 ip addr 172.16.1.9 255.255.255.0 no shut int f2/1 ip addr 172.16.2.9 255.255.255.0 no shut router eigrp 1 network 10.9.0.0 0.0.0.3 network 119.119.119.0 0.0.0.3 network 172.16.2.0 0.0.0.255 network 172.16.1.0 0.0.0.255 end #R8 int s1/1 ip addr 10.11.0.2 255.255.255.252 no shut int s1/0 ip addr 119.119.119.2 255.255.255.252 no shut int f2/0 ip addr 172.16.2.11 255.255.255.0 no shut int f2/1 ip addr 172.16.1.11 255.255.255.0 no shut router eigrp 1 network 10.11.0.0 0.0.0.3 network 119.119.119.0 0.0.0.3 network 172.16.2.0 0.0.0.255 network 172.16.1.0 0.0.0.255 end #R9 int s1/1 ip addr 10.9.0.1 255.255.255.252 no shut int s1/0 ip addr 10.11.0.1 255.255.255.252 no shut router eigrp 1 network 10.9.0.0 0.0.0.3 network 10.11.0.0 0.0.0.3 end 

我相信它一定是configuration错误,但我找不到它。 任何帮助将不胜感激。

你在两个networking部分运行一个不连续的有类networking172.16.0.0 / 16。 在这种特殊情况下,自动汇总将使您的路由表不一致,方法是汇总上面的networking并将其通告给另一端,反之亦然。

尝试在所有路由器上对您的eigrp设置不添加自动摘要,以便最终的configuration如下所示:

  router eigrp 1 no auto-summary network xxxx 

经过数小时的testing…问题被发现是一个腐败的IOS镜像。 我用旧版本交换图像,所有我原来的configuration工作正常。 DOH!