This is a resend - apologies if it appears twice. Or indeed three times.
Mark, thanks for your comments.
A couple of points that I didn't make clear in the first email...
Although the static route overrides the OSPF route on RTB, RTB does know about
the 50.0.0.0 network from OSPF as well - it shows up with 'show ip ospf da su'.
So there is an LSA for that network in the OSPF table on RTB.
My understanding, which you seem to confirm with your point 2, is that routing
protocols (in this case, OSPF and static routes) work independantly of one
another, and that barring redistribution, OSPF will not have any knowledge of
the existence of the static route. If this is the case, then regardless of the
layout of my routers or any other complexities, adding a static route should
make no difference to what LSAs are distributed by OSPF, and so there should be
no difference in what RTC gets.
However, these routers seem to think otherwise :-)
Unfortunately I can't bung on a debug of OSPF to see exactly what LSAs are being
transmitted - I don't think the routers would cope very well and I wouldn't be
very popular if I brought them down unexpectedly.
If somebody could confirm or deny my basic understanding of routing protocol
behaviour, it would be much appreciated, because if I'm wrong I have a lot of
studying to catch up on...
RTB is actually an MSM with lots of qualifiers in the IOS version, and RTC runs
a completely different major version of IOS, so it wouldn't surprise me too much
if this is the result of a bug.
JMcL
[Lots of relevant stuff snipped to try to get SOMETHING on this subject to post
- see earlier posts for background]
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