Okay, this is driving me crazy!! This just started happening around
2:00 this afternoon and I can't think of a single explanation for it.
Here's the deal:
PC RouterA RouterB
BaySwitch
The Bay switch has a management IP address configured with correctly
configured mask and default gateway. For some reason, any PC on the
subnet that I belong to cannot ping the Bay switch. From any other
subnet in our network pings succeed; they only fail from my specific
subnet. There are no access lists involved anywhere in this scenario
and pings to any other device on the same subnet as the switch will
succeed from anywhere.
RouterA can ping the Bay switch using a standard ping, but pings fail
if I use an extended ping and set the source address to the interface on
the same subnet as my PC.
I've done traceroutes from a few locations to make sure traffic was
flowing correctly and I can see no problems whatsoever. The routing
tables of all routers involved look exactly as I would expect them to
look. The default gateway and mask is set correctly on the switch. If
that were not the case then pings from other subnets would fail as
well.
I've also telnetted to the switch and from there I can ping anywhere in
the network except my subnet. This is baking my noodle and considering
I just got back from a vacation in Mexico I'm just not ready for this
yet. :-)
Any ideas would be appreciated!
Thanks,
John
Message Posted at:
http://www.groupstudy.com/form/read.php?f=7&i=4533&t=4533
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