From: P729 (p729@cox.net)
Date: Thu Jun 19 2003 - 19:52:38 GMT-3
The 'show controllers' command can give physical layer information on
certain interfaces in certain routers. For a T1 interface the information
can include alarms, code violations, clock slips, etc. I don't know that a
certain error rate will take the interface out of service, but various
alarms certainly could.
Regards,
Mas Kato
https://ecardfile.com/id/mkato
----- Original Message -----
From: "Yuki Hisano" <yukyhisano@hotmail.com>
To: <ccielab@groupstudy.com>
Sent: Wednesday, June 18, 2003 1:42 PM
Subject: Layer1 capablity（Again)
Group,
Since I did not get any responces last time, I am posting this again.
I will appreciate any feedback. Thanks!
I have come up with a few questions regarding Layer 1 capablity on router.
My question is that by receiving CRC errors, does it mean the router is
detecting all the deterioration on the circuit? Is there any errors that
router is unable to detect?
Is that possible that if an interface receives excessive amount or certain
amount of errors, that will take the interface to "down" state?
The reason I ask for this is that I always check the router's inteface when
I become suspicious of any deterioration of the physical circuit. Sometimes
I would need to check the DSU if there is one. But I dont know how to check
when the router has a DSU attached inteface.
I will appreciate your responses.
Thanks.
Yuki
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