Correcting a "%OSPF-4-ERRRCV: Received invalid packet:" message
I am looking for help in correcting an issue I having in my lab environment of OSPF. Basically, one of the routers is receiving the error message %OSPF-4-ERRRCV: Received invalid packet: mismatch area ID, from backbone area must be virtual-link but not found from 192.168.1.15, Ethernet0
I have checked to ensure that my backbone routers (router 1 and router 2) are in the correct area; area 0. I have ensured they have connectivity to each other. Router1 and Router are connected via their Ethernet0 ports. While Router3 and Router1 are connected via their S0 ports and a HDLC point to point circuit. The above error message is received when connected to the Console port of Router3.
Re: Correcting a "%OSPF-4-ERRRCV: Received invalid packet:" mess
On router 3 you have an area 254 and an area 5 . These areas do not touch the area 0 . One of the rules of OSPF is that all areas must touch area 0. This is why you are getting the mismatch area id messages .
one more thing is that on router 2 you have a network statement for 192.168.3.0 area 3 , although it is not hirting anything This is not needed , you may want to remove it.
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