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Switch login

yaredo70
Beginner
Beginner

I'm getting this message repeatedly when I'm trying to log in with a username and password on a switch.

%IGMP_QUERIER-4-SAME_SRC_IP_ADDR: An IGMP General Query packet with the same source IP address (X.X.X.X) is received in VLAN 999 on port Po2

 

I Don't have any information on how the switch is configured.

 

Any solutions? 

 

Yared.

2 Replies 2

Giuseppe Larosa
Hall of Fame Master Hall of Fame Master
Hall of Fame Master

Hello @yaredo70 ,

the message says that an IGMP query messages using the same source IP address of the SVI interface VLAN 999 is received on port-channel 2.

We can say that the local device is configured either as IGMP querier for VLAN 999 or as a full multicast router for the same VLAN (Ip PIM )

 

The message can be the result of two different issues:

a) there is another device with duplicated address in the same VLAN sending IGMP queries (the igmp querier function is not able to elect a designated device, PIM is able to elect a PIM DR)

b) the device is actually receving back its own IGMP queries and this can the sign that a bridging loop is happening in VLAN 999

 

Hope to help

Giuseppe

 

yaredo70
Beginner
Beginner

Thank you, Giuseppe. 

 

I'm also suspected the second one looping is happening but I can't even get into the see the configuration because I'm not able to put username and password on the login screen, it started automatically when you open putty.  

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