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Community Member

T3 framing issue

Hi,

I have a Cisco 2821 with a t3 controller which currently has the framing set to c-bit. My provider needs for this to be either turned off altogether or set to bypass. Bypass is not an option and when I try "no framing" it still shows it as being set to c-bit.

Anybody have any suggestions for a way around this?

Thanks.

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Community Member

Re: T3 framing issue

You need to configure it as an E3, not a T3. The framing for an T3 is cbit or m13, where an E3 is bypass or g751.

http://www.cisco.com/en/US/products/sw/iosswrel/ps5207/products_configuration_guide_chapter09186a008020eced.html#wp1064838

2 REPLIES
Community Member

Re: T3 framing issue

You need to configure it as an E3, not a T3. The framing for an T3 is cbit or m13, where an E3 is bypass or g751.

http://www.cisco.com/en/US/products/sw/iosswrel/ps5207/products_configuration_guide_chapter09186a008020eced.html#wp1064838

Community Member

Re: T3 framing issue

That's great, thanks for your help. I'll have to talk to my provider to see why they want T3 with bypass!

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