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6608 HDLC Link Failure/Invalid TEI

Have a Digital access t1 plugged into a 6608 blade on a 6509 running 7.3.1. 6608 is registered and L1 is up. Layer 2 up and down. Tracy shows Invalid TEI and HDLC link failure. According to TAC and SWB the T1 PRI and the 6608/CM are configured correctly. Have tried two different 6608's. Won't stay up and can't make calls.

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Re: 6608 HDLC Link Failure/Invalid TEI

Checkout the following document for some troubleshooting tips on this issue:

Troubleshooting Connectivity Problems on a WS-X6608 PRI Gateway

http://www.cisco.com/en/US/tech/tk652/tk653/technologies_tech_note09186a0080153327.shtml#physical

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