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List:       foundry-nsp
Subject:    [f-nsp] SI & FGS not forwarding
From:       Rob Heilman <rheilman () echolabs ! net>
Date:       2015-06-12 16:05:01
Message-ID: 4AE0BFA6-E8DF-46E5-9A9A-8D30A234AC99 () echolabs ! net
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I have an issue that seems so basic yet I can not make headway against it.  I have \
had the following layout running for years:

[FGS648-01]=[SI-GTE-01]=[SI-GTE-02]=[FGS648-02]

Where the = symbols indicate a 4 port GE trunk carrying 2 VLANS via 802.1q.  Suddenly \
all devices hanging off of FGS648-02 can not communicate with any devices on the \
other switches in either VLAN.  The can however communicate with each other inside \
FGS648-02.  No config changes, no reboots, FW changes, etc. happened anywhere near \
the time of failure.  

I have tried reboots of the switches.  Changed the link to a single untagged vlan.  \
Even reduced the connection to a single GE link between SI-GTE-02 and FGS648-02.  \
Nothing seems to resolve the issue.  Has anyone else experienced this?  Any \
suggestions on how to better diagnose or resolve?

-Rob Heilman


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