[Xorp-hackers] route is break ,when one of link break.
wxh585
43026437 at qq.com
Thu Jun 30 06:04:45 PDT 2011
xorp router ======switch------cisco router
when one of link is breakage,link online is not "ping",
cisco router configure:
interface FastEthernet0/0
no ip address
duplex auto
speed 100
!
interface FastEthernet0/0.1
encapsulation dot1Q 101
ip address 192.168.3.1 255.255.255.252
!
interface FastEthernet0/0.2
encapsulation dot1Q 102
ip address 192.168.3.5 255.255.255.252
!
interface FastEthernet0/1
ip address 192.168.6.1 255.255.255.0
duplex auto
speed 100
!
router ospf 878
router-id 192.168.6.1
log-adjacency-changes
network 192.168.3.0 0.0.0.7 area 0.0.0.0
network 192.168.6.0 0.0.0.255 area 0.0.0.0
!
before the link breakage.
$ ifconfig
bge0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=9b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM>
ether 00:10:18:14:55:17
inet 192.168.3.6 netmask 0xfffffffc broadcast 192.168.3.7
media: Ethernet autoselect (100baseTX <full-duplex>)
status: active
fxp0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=9<RXCSUM,VLAN_MTU>
ether 00:03:47:e2:9f:83
inet 192.168.1.1 netmask 0xffffff00 broadcast 192.168.1.255
media: Ethernet autoselect (100baseTX <full-duplex>)
status: active
fxp1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=9<RXCSUM,VLAN_MTU>
ether 00:03:47:de:d2:75
inet 192.168.3.2 netmask 0xfffffffc broadcast 192.168.3.3
media: Ethernet autoselect (100baseTX <full-duplex>)
status: active
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
inet6 fe80::1%lo0 prefixlen 64 scopeid 0x4
inet6 ::1 prefixlen 128
inet 127.0.0.1 netmask 0xff000000
$
$ ping 192.168.6.1
PING 192.168.6.1 (192.168.6.1): 56 data bytes
64 bytes from 192.168.6.1: icmp_seq=0 ttl=255 time=1.453 ms
64 bytes from 192.168.6.1: icmp_seq=1 ttl=255 time=1.305 ms
^C
--- 192.168.6.1 ping statistics ---
2 packets transmitted, 2 packets received, 0.0% packet loss
round-trip min/avg/max/stddev = 1.305/1.379/1.453/0.074 ms
$ ping 192.168.6.1
PING 192.168.6.1 (192.168.6.1): 56 data bytes
64 bytes from 192.168.6.1: icmp_seq=0 ttl=255 time=1.331 ms
64 bytes from 192.168.6.1: icmp_seq=1 ttl=255 time=1.330 ms
64 bytes from 192.168.6.1: icmp_seq=2 ttl=255 time=1.340 ms
64 bytes from 192.168.6.1: icmp_seq=3 ttl=255 time=1.268 ms
64 bytes from 192.168.6.1: icmp_seq=4 ttl=255 time=1.344 ms
^C
--- 192.168.6.1 ping statistics ---
5 packets transmitted, 5 packets received, 0.0% packet loss
round-trip min/avg/max/stddev = 1.268/1.323/1.344/0.028 ms
$ ping 192.168.3.2
PING 192.168.3.2 (192.168.3.2): 56 data bytes
64 bytes from 192.168.3.2: icmp_seq=0 ttl=64 time=0.056 ms
64 bytes from 192.168.3.2: icmp_seq=1 ttl=64 time=0.016 ms
64 bytes from 192.168.3.2: icmp_seq=2 ttl=64 time=0.020 ms
64 bytes from 192.168.3.2: icmp_seq=3 ttl=64 time=0.015 ms
64 bytes from 192.168.3.2: icmp_seq=4 ttl=64 time=0.015 ms
^C
--- 192.168.3.2 ping statistics ---
5 packets transmitted, 5 packets received, 0.0% packet loss
round-trip min/avg/max/stddev = 0.015/0.024/0.056/0.016 ms
$ ping 192.168.3.6
PING 192.168.3.6 (192.168.3.6): 56 data bytes
64 bytes from 192.168.3.6: icmp_seq=0 ttl=64 time=0.054 ms
64 bytes from 192.168.3.6: icmp_seq=1 ttl=64 time=0.016 ms
64 bytes from 192.168.3.6: icmp_seq=2 ttl=64 time=0.018 ms
64 bytes from 192.168.3.6: icmp_seq=3 ttl=64 time=0.017 ms
64 bytes from 192.168.3.6: icmp_seq=4 ttl=64 time=0.014 ms
64 bytes from 192.168.3.6: icmp_seq=5 ttl=64 time=0.013 ms
^C
--- 192.168.3.6 ping statistics ---
6 packets transmitted, 6 packets received, 0.0% packet loss
round-trip min/avg/max/stddev = 0.013/0.022/0.054/0.014 ms
$
$ uname -a
FreeBSD r.d 7.3-RELEASE FreeBSD 7.3-RELEASE #0: Mon Apr 4 10:34:12 UTC 2011 root at r.d:/usr/obj/usr/src/sys/GENERIC2 i386
$ xorpsh
Welcome to haizz router on r.d
admin at r.d> show ospf4 database
OSPF link state database, Area 0.0.0.0
Type ID Adv Rtr Seq Age Opt Cksum Len
Router *192.168.1.1 192.168.1.1 0x80000041 264 0x2 0x3b2f 48
Router 192.168.6.1 192.168.6.1 0x80000025 270 0x22 0xf3eb 60
Network 192.168.3.1 192.168.6.1 0x80000001 277 0x22 0x8af8 32
Network 192.168.3.5 192.168.6.1 0x80000001 275 0x22 0x621d 32
ASExt-2 *192.168.1.0 192.168.1.1 0x80000001 274 0x2 0xdef 36
ASExt-2 *192.168.3.0 192.168.1.1 0x80000001 274 0x2 0x5837 36
ASExt-2 *192.168.3.4 192.168.1.1 0x80000001 274 0x2 0x681f 36
admin at r.d> show ospf4 neighbor
Address Interface State ID Pri Dead
192.168.3.1 fxp1/fxp1 Full 192.168.6.1 1 38
192.168.3.5 bge0/bge0 Full 192.168.6.1 1 39
admin at r.d>
admin at 55# show
protocols {
ospf4 {
router-id: 192.168.1.1
area 0.0.0.0 {
area-range 192.168.3.0/29 {
}
area-range 192.168.1.0/24 {
}
interface eth2 {
vif eth2 {
address 192.168.3.2 {
}
}
}
interface eth4 {
vif eth2 {
address 192.168.3.6 {
}
}
}
}
}
}
policy {
policy-statement a1 {
term a1 {
from {
protocol: "connected"
}
}
}
}
interfaces {
interface eth2 {
vif eth2 {
address 192.168.3.2 {
prefix-length: 30
}
}
}
interface eth4 {
vif eth4 {
address 192.168.3.6 {
prefix-length: 30
}
}
}
interface eth3 {
vif eth3 {
address 192.168.1.1 {
prefix-length: 24
}
}
}
}
[edit]
all port is alive
after one of link breakage.
$ ifconfig
bge0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=9b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM>
ether 00:10:18:14:55:17
inet 192.168.3.6 netmask 0xfffffffc broadcast 192.168.3.7
media: Ethernet autoselect (100baseTX <full-duplex>)
status: active
fxp0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=9<RXCSUM,VLAN_MTU>
ether 00:03:47:e2:9f:83
inet 192.168.1.1 netmask 0xffffff00 broadcast 192.168.1.255
media: Ethernet autoselect (100baseTX <full-duplex>)
status: active
fxp1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=9<RXCSUM,VLAN_MTU>
ether 00:03:47:de:d2:75
inet 192.168.3.2 netmask 0xfffffffc broadcast 192.168.3.3
media: Ethernet autoselect (none)
status: no carrier ------------------------------------break
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
inet6 fe80::1%lo0 prefixlen 64 scopeid 0x4
inet6 ::1 prefixlen 128
inet 127.0.0.1 netmask 0xff000000
$ ping 192.168.3.6
PING 192.168.3.6 (192.168.3.6): 56 data bytes
ping: sendto: No route to host-------------------------break
ping: sendto: No route to host
ping: sendto: No route to host
ping: sendto: No route to host
ping: sendto: No route to host
^C
--- 192.168.3.6 ping statistics ---
5 packets transmitted, 0 packets received, 100.0% packet loss
$ ping 192.168.3.5
PING 192.168.3.5 (192.168.3.5): 56 data bytes
ping: sendto: No route to host-----------------------break
ping: sendto: No route to host
ping: sendto: No route to host
$ ping 192.168.3.2
PING 192.168.3.2 (192.168.3.2): 56 data bytes
64 bytes from 192.168.3.2: icmp_seq=0 ttl=64 time=0.025 ms
64 bytes from 192.168.3.2: icmp_seq=1 ttl=64 time=0.017 ms
^C
--- 192.168.3.2 ping statistics ---
2 packets transmitted, 2 packets received, 0.0% packet loss
round-trip min/avg/max/stddev = 0.017/0.021/0.025/0.004 ms
$ ping 192.168.6.1
PING 192.168.6.1 (192.168.6.1): 56 data bytes
ping: sendto: No route to host
ping: sendto: No route to host
ping: sendto: No route to host
ping: sendto: No route to host
^C
--- 192.168.6.1 ping statistics ---
4 packets transmitted, 0 packets received, 100.0% packet loss
$ vty
Welcome to haizz router on r.d
admin at r.d> show ospf4 neighbor
Address Interface State ID Pri Dead
192.168.3.5 bge0/bge0 Exchange 192.168.6.1 1 35
admin at r.d> show ospf4 database
OSPF link state database, Area 0.0.0.0
Type ID Adv Rtr Seq Age Opt Cksum Len
Router *192.168.1.1 192.168.1.1 0x80000045 88 0x2 0x1ea9 36
Router 192.168.6.1 192.168.6.1 0x80000026 91 0x22 0xb999 60
Network 192.168.3.1 192.168.6.1 0x80000001 458 0x22 0x8af8 32
ASExt-2 *192.168.1.0 192.168.1.1 0x80000001 456 0x2 0xdef 36
ASExt-2 *192.168.3.4 192.168.1.1 0x80000001 90 0x2 0x681f 36
admin at r.d>
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