[c-nsp] Cursed IP address
Victor Sudakov
vas at mpeks.tomsk.su
Wed Nov 26 04:23:08 EST 2014
Murat Kaipov wrote:
> Hello Victor.
> Very interesting issue. Can you provide "show ip ospf 12 database"
> issue like this can occur when you have 10.65.127.246 address on
> other device.
Here you are from two routers (sw-vertikos and Raskino):
sw-vertikos#sh ip ospf 12 neighbor
Neighbor ID Pri State Dead Time Address Interface
10.65.127.7 130 2WAY/DROTHER 849 msec 10.65.127.249 Vlan22
10.65.127.9 130 FULL/DR 916 msec 10.65.127.250 Vlan22
10.65.127.10 1 2WAY/DROTHER 715 msec 10.65.127.248 Vlan22
10.65.127.12 1 2WAY/DROTHER 799 msec 10.65.127.252 Vlan22
10.65.127.13 1 INIT/DROTHER 690 msec 10.65.127.235 Vlan22
10.65.127.14 1 INIT/DROTHER 916 msec 10.65.127.245 Vlan22
10.65.127.15 130 INIT/DROTHER 682 msec 10.65.127.251 Vlan22
10.65.127.17 1 2WAY/DROTHER 900 msec 10.65.127.241 Vlan22
10.65.127.19 1 2WAY/DROTHER 774 msec 10.65.127.238 Vlan22
10.65.127.21 1 2WAY/DROTHER 883 msec 10.65.127.244 Vlan22
10.65.127.22 0 INIT/DROTHER 849 msec 10.65.127.243 Vlan22
10.65.127.23 1 2WAY/DROTHER 782 msec 10.65.127.230 Vlan22
10.65.127.24 1 2WAY/DROTHER 706 msec 10.65.127.231 Vlan22
10.65.155.11 1 2WAY/DROTHER 823 msec 10.65.127.253 Vlan22
172.16.146.11 1 2WAY/DROTHER 840 msec 10.65.127.247 Vlan22
sw-vertikos#sh ip ospf 12 interface vlan 22
Vlan22 is up, line protocol is up
Internet Address 10.65.127.246/27, Area 0
Process ID 12, Router ID 10.65.127.246, Network Type BROADCAST, Cost: 1
Topology-MTID Cost Disabled Shutdown Topology Name
0 1 no no Base
Transmit Delay is 1 sec, State DROTHER, Priority 1
Designated Router (ID) 10.65.127.9, Interface address 10.65.127.250
Backup Designated router (ID) 10.65.127.9, Interface address 10.65.127.250
Timer intervals configured, Hello 333 msec, Dead 1, Wait 1, Retransmit 5
oob-resync timeout 40
Hello due in 46 msec
Supports Link-local Signaling (LLS)
Cisco NSF helper support enabled
IETF NSF helper support enabled
Index 1/1, flood queue length 0
Next 0x0(0)/0x0(0)
Last flood scan length is 1, maximum is 1
Last flood scan time is 0 msec, maximum is 0 msec
Neighbor Count is 15, Adjacent neighbor count is 1
Adjacent with neighbor 10.65.127.9 (Designated Router)
Suppress hello for 0 neighbor(s)
Raskino#sh ip ospf interface gi 0/2
GigabitEthernet0/2 is up, line protocol is up
Internet Address 10.65.127.235/27, Area 0, Attached via Network Statement
Process ID 10, Router ID 10.65.127.13, Network Type BROADCAST, Cost: 10
Topology-MTID Cost Disabled Shutdown Topology Name
0 10 no no Base
Transmit Delay is 1 sec, State DROTHER, Priority 1
Designated Router (ID) 10.65.127.15, Interface address 10.65.127.251
Backup Designated router (ID) 10.65.127.9, Interface address 10.65.127.250
Timer intervals configured, Hello 333 msec, Dead 1, Wait 1, Retransmit 5
oob-resync timeout 40
Hello due in 112 msec
Supports Link-local Signaling (LLS)
Cisco NSF helper support enabled
IETF NSF helper support enabled
Index 3/3, flood queue length 0
Next 0x0(0)/0x0(0)
Last flood scan length is 0, maximum is 9
Last flood scan time is 0 msec, maximum is 4 msec
Neighbor Count is 14, Adjacent neighbor count is 2
Adjacent with neighbor 10.65.127.9 (Backup Designated Router)
Adjacent with neighbor 10.65.127.15 (Designated Router)
Suppress hello for 0 neighbor(s)
Raskino#sh ip ospf database
OSPF Router with ID (10.65.127.13) (Process ID 10)
Router Link States (Area 0)
Link ID ADV Router Age Seq# Checksum Link count
10.65.127.7 10.65.127.7 418 0x8000005C 0x00CC30 13
10.65.127.9 10.65.127.9 657 0x80000031 0x003D08 6
10.65.127.10 10.65.127.10 274 0x80000059 0x00FD1D 6
10.65.127.12 10.65.127.12 1145 0x80000047 0x00078B 5
10.65.127.13 10.65.127.13 1876 0x80000035 0x001B1C 4
10.65.127.14 10.65.127.14 988 0x80000034 0x00F4C9 4
10.65.127.15 10.65.127.15 867 0x80000030 0x005DC0 4
10.65.127.16 10.65.127.16 666 0x80000030 0x00E590 3
10.65.127.17 10.65.127.17 672 0x80000031 0x00F1C1 4
10.65.127.18 10.65.127.18 742 0x80000030 0x009ED3 3
10.65.127.19 10.65.127.19 609 0x80000032 0x0039C7 5
10.65.127.21 10.65.127.21 1087 0x80000044 0x005B3F 3
10.65.127.22 10.65.127.22 609 0x80000033 0x004311 3
10.65.127.23 10.65.127.23 1504 0x80000040 0x00D793 3
10.65.127.24 10.65.127.24 1514 0x80000040 0x00F76F 3
10.65.127.246 10.65.127.246 271 0x80000003 0x00A084 1
10.65.155.11 10.65.155.11 1678 0x8000003D 0x006228 2
172.16.146.11 172.16.146.11 406 0x80000059 0x003FA2 6
Net Link States (Area 0)
Link ID ADV Router Age Seq# Checksum
10.64.128.4 10.65.127.17 158 0x80000030 0x0009FE
10.65.127.38 10.65.127.15 867 0x8000002C 0x001502
10.65.127.133 10.65.127.10 535 0x8000002F 0x003981
10.65.127.251 10.65.127.15 350 0x80000072 0x00E9C1
Type-5 AS External Link States
Link ID ADV Router Age Seq# Checksum Tag
0.0.0.0 10.65.127.7 677 0x8000002F 0x00F237 10
10.12.0.0 10.65.127.7 677 0x80000030 0x006B1E 0
10.14.128.0 10.65.127.7 677 0x80000030 0x000DFC 0
10.64.0.0 10.65.127.7 677 0x80000030 0x00EC6B 0
10.65.4.0 10.65.127.7 677 0x80000030 0x00B1A1 0
10.65.8.0 10.65.127.7 677 0x80000030 0x0071E1 0
10.65.165.0 10.65.127.7 677 0x80000030 0x00CEDF 0
172.16.210.0 10.65.127.7 677 0x80000030 0x00E926 0
--
Victor Sudakov, VAS4-RIPE, VAS47-RIPN
sip:sudakov at sibptus.tomsk.ru
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