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OSPF error message : RECV: Discarding packet on interface Unknown : No such multicast interface

YenLin
Frequent Advisor

OSPF error message : RECV: Discarding packet on interface Unknown : No such multicast interface

Hi all,

We've implement an OSPF Lan in our environment, we have 6 core switches(5400) and they do ospf routing.

These 6 switches are acting ABR.

For example, our core has its zone 10.1.1.0, Core2's zone is 10.2.1.0 and core3 use 10.3.1.0 and so on.

 

The problem is that we've got a lot of error messages after ospf enabled.

The error message shows: RECV: Discarding packet on interface Unknown :  No such multicast interface.

 

I tried to google and just found some document about Unknown interface which is virtual link.

So, that is not our situation.

 

Any help will be appreciated.

2 REPLIES
42Paradox42
Occasional Visitor

Re: OSPF error message : RECV: Discarding packet on interface Unknown : No such multicast interface

Did you ever get an answer to this?  I have the same error

JWag46
Occasional Visitor

Re: OSPF error message : RECV: Discarding packet on interface Unknown : No such multicast interface

Typically, a copy of the show run is helpfull.  Also, a topology map if avail.  Personally, I am very visual.