I have a FWSM that seperates various segments on the network. For some reason at times connectivity to some hosts stops without any indication why.
I had done some checking and discovered that there seems to be a corrupt XLATE created at times, which results in the FWSM not forwarding traffic properly.
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FWSM1# sh xlate detail | incl FS01
> NAT from wan:FS01 to inside:FS01 flags Ii
> NAT from wan:FS01 to wan:FS01 flags Ii
FWSM1#
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We have extended OSPF onto the FWSM. What I noticed this morning was that the routing table changed .. probably around the time the fault was reported.
As can be seen in the extract above ther eis a translation from one interface for FS01 back to the same interface for that same server.
Have tried almost all versions of FWSM code, does not make any difference.
Any Ideas?