[c-nsp] OSPF Bad Type LSA

[Oliver Boehmer (oboehmer)]

> I want to know if any of you has experienced this kind of problem.
> This error message below keep filling my buffered log at my sup1/msfc1
> cat6k. I've consults some books, and I cannot find nice explanation
> why this thing is happening.
> 
> Jun 14 14:19:25.373: %OSPF-4-BADLSATYPE: Invalid lsa: Bad LSA data
> Type 1, LSID 10.10.23.8 from 10.10.23.8, 10.10.23.4, Vlan4
> Jun 14 14:19:30.381: %OSPF-4-BADLSATYPE: Invalid lsa: Bad LSA data
> Type 1, LSID 10.10.23.8 from 10.10.23.8, 10.10.23.4, Vlan4
> Jun 14 14:19:35.394: %OSPF-4-BADLSATYPE: Invalid lsa: Bad LSA data
> Type 1, LSID 10.10.23.8 from 10.10.23.8, 10.10.23.4, Vlan4
> 
> I've checked through the host where this message is coming, and I find
> nothing suspicious. It only run zebra/quagga ospfd.

this error ("Bad LSA data") is seen when there is something wrong
regarding the LSA format, i.e. wrong length fields, etc. So strictly a
syntax/format check. I'd connect a sniffer to the segment and take a
look at the LSA packet to see what's wrong.

	oli