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Cisco Bug: CSCuo35867 - CPOS PPP interface UP/DOWN

Last Modified

Apr 18, 2019

Products (1)

  • Cisco IOS

Known Affected Releases

15.3(0.3)S 15.3(2)S2.1

Description (partial)

Symptom: 1) CPOS-based PPP serial interface is UP/DOWN; but HDLC is UP/UP; loopback local for PPP is also UP/DOWN;

2) From debug, the following output is seen:

*Apr 16 20:46:50.330: AAA/ID(00100066): PPP allocated
*Apr 16 20:46:50.831: CCM: Failed to create session, session already exists                     <<<<<<<<<<<<
*Apr 16 20:46:50.831: AAA/ID(NA): PPP allocating
*Apr 16 20:46:50.831: CCM GROUP:ERROR group not found with shdb 0
*Apr 16 20:46:50.831: AAA/ID(NA): propagate hw:Se1/0/0.1/1/6/1:0,0x42352E64 sw:Se1/0/0.1/1/6/1:0,0x42353C48 other:nil base:nil unit:0/1 slot:1 shelf:0 tty:nil
*Apr 16 20:46:50.831: aaa_uid_propogate grabbed_id = 1048678
*Apr 16 20:46:50.831: AAA/ID(00100066): PPP allocated
*Apr 16 20:46:52.847: Se1/0/0.1/1/6/1:0 PPP: Missed a Link-Up transition, starting PPP      <<<<<<<<<<<<<
Conditions: This symptom occurs with PPP serial interface flapping.
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