duplicate IP address

Post Reply
hjin
Member
Posts: 11
Joined: 06 Jan 2022 01:08

duplicate IP address

Post by hjin »

Hello.
A log related to "duplicate IP address" has occurred.

log ---

TUE FEB 15 00:07:25 2022 IP info 6/0 duplicate IP address 10.3.1.1 from port 6/1 eth addr e8e732:0e7320
TUE FEB 15 01:00:00 2022 IP info 6/0 duplicate IP address 10.3.1.1 from port 6/1 eth addr e8e732:0e7320
TUE FEB 15 02:00:22 2022 IP info 6/0 duplicate IP address 10.3.1.1 from port 6/1 eth addr e8e732:0e7320
TUE FEB 15 02:50:41 2022 IP info 6/0 duplicate IP address 10.3.1.1 from port 6/1 eth addr e8e732:0e7320
TUE FEB 15 02:53:26 2022 IP info 6/0 duplicate IP address 10.3.1.1 from port 6/1 eth addr e8e732:0e7320
TUE FEB 15 03:59:58 2022 IP info 6/0 duplicate IP address 10.3.1.1 from port 6/1 eth addr e8e732:0e7320
TUE FEB 15 04:18:56 2022 IP info 6/0 duplicate IP address 10.3.1.1 from port 6/1 eth addr e8e732:0e7320
TUE FEB 15 04:43:42 2022 IP info 6/0 duplicate IP address 10.3.1.1 from port 6/1 eth addr e8e732:0e7320
TUE FEB 15 05:10:45 2022 IP info 6/0 duplicate IP address 10.3.1.1 from port 6/1 eth addr e8e732:0e7320
TUE FEB 15 05:27:20 2022 IP info 6/0 duplicate IP address 10.3.1.1 from port 6/1 eth addr e8e732:0e7320
TUE FEB 15 07:09:21 2022 IP info 6/0 duplicate IP address 10.3.1.1 from port 6/1 eth addr e8e732:0e7320
TUE FEB 15 08:09:17 2022 IP info 6/0 duplicate IP address 10.3.1.1 from port 6/1 eth addr e8e732:0e7320
TUE FEB 15 08:31:12 2022 IP info 6/0 duplicate IP address 10.3.1.1 from port 6/1 eth addr e8e732:0e7320
TUE FEB 15 08:49:05 2022 IP info 6/0 duplicate IP address 10.3.1.1 from port 6/1 eth addr e8e732:0e7320

10.3.1.1 IP is set in OS9800E device and OS9700E device is connected to port 6/1.

OS9800E config
!mac alloc 91 0 1 e8:e7:32:d0:b9:b9
ip interface "To-OS9700E" address 10.3.1.1 mask 255.255.255.0 vlan 1031 ifindex 3
vlan 1031 enable name "To-OS9700E"
vlan 1031 port default 6/1
port mirroring 1 destination 10/2
port mirroring 1 source 6/1 bidirectional

OS9700E config
!mac alloc 91 0 1 e8:e7:32:0e:73:21
ip interface "To-OS9800E" address 10.3.1.254 mask 255.255.255.0 vlan 1031 ifindex 18
vlan 1031 enable name "To-OS9800E"
vlan 1031 port default 1/24
port mirroring 1 destination 1/7
port mirroring 1 source 1/24 bidirectional

What causes the log to occur?
silvio
Alcatel Unleashed Certified Guru
Alcatel Unleashed Certified Guru
Posts: 1894
Joined: 01 Jul 2008 10:51
Location: Germany

Re: duplicate IP address

Post by silvio »

e8e732:0e7320 is one mac of the 9800. Pls check with show mac-range, show chassis, show cmm, show ni, shom module long.

What is connected at 10/2? Disable this port - and check the log again.
regards
Silvio
hjin
Member
Posts: 11
Joined: 06 Jan 2022 01:08

Re: duplicate IP address

Post by hjin »

thank you.
We are still watching as the disorder has not recurred.
If the disorder recurs, I will check the information you mentioned.
Post Reply

Return to “OmniSwitch 9000 / 9000E”