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电梯直达

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发表于 2007-06-08 19:26 |只看该作者 |倒序浏览

A------switch---B\r\nA, B 上都运行zebra(RIPv2)\r\n我遇到的问题是A, B 上的路由表不能更新.\r\n\r\n配置如下\r\nA 机器\r\neth0.22 Link encap:Ethernet HWaddr 00:80:42:1D:33:66 \r\n UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1\r\n RX packets:31102 errors:0 dropped:0 overruns:0 frame:0\r\n TX packets:19652 errors:0 dropped:0 overruns:0 carrier:0\r\n collisions:0 txqueuelen:0 \r\n RX bytes:1858132 (1.7 Mb) TX bytes:2023100 (1.9 Mb)\r\n\r\neth0.22:0 Link encap:Ethernet HWaddr 00:80:42:1D:33:66 \r\n inet addr:10.55.1.90 Bcast:0.0.0.0 Mask:0.0.0.0\r\n UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1\r\n\r\neth0.22:1 Link encap:Ethernet HWaddr 00:80:42:1D:33:66 \r\n inet addr:10.55.1.74 Bcast:10.55.1.79 Mask:255.255.255.248\r\n UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1\r\n\r\neth0.22:2 Link encap:Ethernet HWaddr 00:80:42:1D:33:66 \r\n inet addr:10.55.101.74 Bcast:10.55.101.79 Mask:255.255.255.248\r\n UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1\r\n\r\neth0.22:3 Link encap:Ethernet HWaddr 00:80:42:1D:33:66 \r\n inet addr:10.55.101.75 Bcast:10.55.101.79 Mask:255.255.255.248\r\n UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1\r\n\r\n\r\n\r\nB机器\r\n\r\n\r\neth0.22 Link encap:Ethernet HWaddr 00:03:CC:39:00:E0 \r\n UP BROADCAST NOTRAILERS RUNNING MULTICAST MTU:1500 Metric:1\r\n RX packets:24730 errors:0 dropped:0 overruns:0 frame:0\r\n TX packets:12461 errors:0 dropped:0 overruns:0 carrier:0\r\n collisions:0 txqueuelen:0 \r\n RX bytes:1754446 (1.6 Mb) TX bytes:1055642 (1.0 Mb)\r\n\r\neth0.22:5 Link encap:Ethernet HWaddr 00:03:CC:39:00:E0 \r\n inet addr:10.55.1.78 Bcast:10.55.1.79 Mask:255.255.255.248\r\n UP BROADCAST NOTRAILERS RUNNING MULTICAST MTU:1500 Metric:1\r\n\r\n\r\nA ping B is OK\r\nroot@A#ping 10.55.1.78\r\nPING 10.55.1.78 from 10.55.1.74 : 56(84) bytes of data.\r\n64 bytes from 10.55.1.78: icmp_seq=1 ttl=64 time=0.251 ms\r\n64 bytes from 10.55.1.78: icmp_seq=2 ttl=64 time=0.227 ms\r\n64 bytes from 10.55.1.78: icmp_seq=3 ttl=64 time=0.202 ms\r\n64 bytes from 10.55.1.78: icmp_seq=4 ttl=64 time=0.176 ms\r\n64 bytes from 10.55.1.78: icmp_seq=5 ttl=64 time=0.149 ms\r\n\r\n--- 10.55.1.78 ping statistics ---\r\n5 packets transmitted, 5 received, 0% loss, time 3996ms\r\nrtt min/avg/max/mdev = 0.149/0.201/0.251/0.036 ms\r\n\r\n\r\n这是我在A上看到的消息, A上明明收到路由更新信息(10.55.1.78.route > 224.0.0.9.), 但是它就是不更新自己的路由表\r\n(A 上的eth0.22:0 是我自己加的, 没加这个接口之前, 一切OK. 路由表更新正常)\r\nroot@A#tcpdump -i eth0.22\r\ntcpdump: WARNING: eth0.22: no IPv4 address assigned\r\ntcpdump: listening on eth0.22\r\ntcpdump: WARNING: compensating for unaligned libpcap packets\r\n09:47:19.275483 10.55.101.73.route > 224.0.0.9.route: RIPv2-resp [items 1]: {10.55.101.73/255.255.255.255}(2) (DF) [ttl 1]\r\n09:47:20.925367 10.55.1.78.route > 224.0.0.9.route: RIPv2-resp [items 2]: {0.0.0.0}(2) {10.55.2.72/255.255.255.248}(2) (DF) [ttl 1]\r\n09:47:23.048349 10.55.101.74.route > 224.0.0.9.route: RIPv2-resp [items 3]: {10.55.101.74/255.255.255.255}(2) {10.55.101.75/255.255.255.255}(2)[|rip] (DF) [ttl 1]\r\n09:47:24.285353 10.55.101.73.route > 224.0.0.9.route: RIPv2-resp [items 1]: {10.55.101.73/255.255.255.255}(2) (DF) [ttl 1]\r\n09:47:24.935887 10.55.1.78.route > 224.0.0.9.route: RIPv2-resp [items 2]: {0.0.0.0}(2) {10.55.2.72/255.255.255.248}(2) (DF) [ttl 1]\r\n09:47:27.295273 10.55.101.73.route > 224.0.0.9.route: RIPv2-resp [items 1]: {10.55.101.73/255.255.255.255}(2) (DF) [ttl 1]\r\n09:47:31.058337 10.55.101.74.route > 224.0.0.9.route: RIPv2-resp [items 3]: {10.55.101.74/255.255.255.255}(2) {10.55.101.75/255.255.255.255}(2)[|rip] (DF) [ttl 1]\r\n09:47:31.305168 10.55.101.73.route > 224.0.0.9.route: RIPv2-resp [items 1]: {10.55.101.73/255.255.255.255}(2) (DF) [ttl 1]\r\n09:47:31.936587 10.55.1.78.route > 224.0.0.9.route: RIPv2-resp [items 2]: {0.0.0.0}(2) {10.55.2.72/255.255.255.248}(2) (DF) [ttl 1]\r\n09:47:34.315088 10.55.101.73.route > 224.0.0.9.route: RIPv2-resp [items 1]: {10.55.101.73/255.255.255.255}(2) (DF) [ttl 1]\r\n09:47:36.168865 10.55.1.74 > 10.55.1.78: icmp: echo request (DF)\r\n09:47:36.169115 10.55.1.78 > 10.55.1.74: icmp: echo reply\r\n\r\n\r\n这是错误的A的路由表\r\nDestination Gateway Genmask Flags Metric Ref Use Iface\r\n10.55.101.78 * 255.255.255.255 UH 0 0 0 eth0.22\r\n10.55.1.72 * 255.255.255.248 U 0 0 0 eth0.22\r\n224.0.0.0 * 255.240.0.0 U 0 0 0 lo\r\n\r\n(A 上的eth0.22:0 是我自己加的, 没加这个接口之前, 一切OK. 路由表更新正常)\r\n\r\n下面是我在加eth0.22:0之前(正常的时候),看到的信息\r\n\r\nroot@A#tcpdump -i eth0.22 \r\ntcpdump: WARNING: eth0.22: no IPv4 address assigned\r\ntcpdump: listening on eth0.22\r\ntcpdump: WARNING: compensating for unaligned libpcap packets\r\n23:09:33.948757 10.55.1.78.route > 224.0.0.9.route: RIPv2-resp [items 2]: {0.0.0.0}(2) {10.55.2.72/255.255.255.248}(2) (DF) [ttl 1]\r\n23:09:39.097528 10.55.1.74.route > 224.0.0.9.route: RIPv2-resp [items 3]: {10.55.101.74/255.255.255.255}(2) {10.55.101.75/255.255.255.255}(2)[|rip] (DF) [ttl 1]\r\n23:09:40.952889 10.55.1.78.route > 224.0.0.9.route: RIPv2-resp [items 2]: {0.0.0.0}(2) {10.55.2.72/255.255.255.248}(2) (DF) [ttl 1]\r\n23:09:44.100020 10.55.1.74.route > 224.0.0.9.route: RIPv2-resp [items 3]: {10.55.101.74/255.255.255.255}(2) {10.55.101.75/255.255.255.255}(2)[|rip] (DF) [ttl 1]\r\n23:09:47.957020 10.55.1.78.route > 224.0.0.9.route: RIPv2-resp [items 2]: {0.0.0.0}(2) {10.55.2.72/255.255.255.248}(2) (DF) [ttl 1]\r\n23:09:48.102014 10.55.1.74.route > 224.0.0.9.route: RIPv2-resp [items 3]: {10.55.101.74/255.255.255.255}(2) {10.55.101.75/255.255.255.255}(2)[|rip] (DF) [ttl 1]\r\n23:09:51.959453 10.55.1.78.route > 224.0.0.9.route: RIPv2-resp [items 2]: {0.0.0.0}(2) {10.55.2.72/255.255.255.248}(2) (DF) [ttl 1]\r\n23:09:55.105545 10.55.1.74.route > 224.0.0.9.route: RIPv2-resp [items 3]: {10.55.101.74/255.255.255.255}(2) {10.55.101.75/255.255.255.255}(2)[|rip] (DF) [ttl 1]\r\n23:09:55.961760 10.55.1.78.route > 224.0.0.9.route: RIPv2-resp [items 2]: {0.0.0.0}(2) {10.55.2.72/255.255.255.248}(2) (DF) [ttl 1]\r\n\r\n\r\n这是正确A的路由表\r\n10.55.101.78 * 255.255.255.255 UH 0 0 0 eth0.22\r\n10.55.1.72 * 255.255.255.248 U 0 0 0 eth0.22\r\n224.0.0.0 * 255.240.0.0 U 0 0 0 lo\r\ndefault 10.55.1.78 0.0.0.0 UG 2 0 0 eth0.22\r\n\r\n那位高手能分析一下为什么加上A 上的子接口eth0.22:0之后, \r\n(1)我的路由表不能更新\r\n(2)我在eth0.22上收到(发出)的消息,会以10.55.101.74(73)为原地址(正常情况下应该以10.55.1.74(73)为原地址,这样peer收到后会以它为网关来更新路由表).\r\n\r\n谢谢帮忙!