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- Subject: Backbone
- From: Robert Dinse <nanook@eskimo.com>
- Date: Wed, 13 Sep 2000 16:51:22 -0700 (PDT)
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Backbone
We lost one T1 here a while ago. We had just replaced the CSU/DSU monday
after one failed over the weekend.
I called a ticket into Sprint but afterwards I thought, well, I had better
roll the circuits to make sure that our new CSU/DSU hadn't failed.
I rolled the circuits and the trouble stayed with the CSU; I then rolled
router ports to determine if it was the CSU/DSU or the router port. When I
did, both circuits came up. I restored to the original configuration, both
circuits remained up.
At this point I don't know if it's CSU, router port, or flakey v.35 cable
connection since everything came back up after the roll. If it turns out to
be a problem with the 3-port card in the router, I have a spare 4-port card I
can replace it with. But at this point we have to catch it dead again before
we can determine what is wrong.