Cisco Bug: CSCtd54338 - Failed to cRTP when number of session is increasing to 200 or over
Jan 24, 2017
- Cisco IOS
Known Affected Releases
Symptoms: The following output from the command <CmdBold>show ip rtp header-compression<noCmdBold>, shows that one channelized serial interface has a large accumulated number of "seconds since line card sent last stats update" compared with another channelized serial interfaces in device with the same platform: GR_SA_CORE_7613R_1#show ip rtp header-compression Serial1/2/0.1/3/1:0 RTP/UDP/IP header compression statistics: Interface Serial1/2/0.1/3/1:0 (compression on, Cisco) Distributed fast switched: 10364 seconds since line card sent last stats update Rcvd: 0 total, 0 compressed, 0 errors, 0 status msgs 0 dropped, 0 buffer copies, 0 buffer failures Sent: 0 total, 0 compressed, 0 status msgs, 0 not predicted 0 bytes saved, 0 bytes sent Connect: 16 rx slots, 16 tx slots, 0 misses, 0 collisions, 0 negative cache hits, 0 free contexts Sometimes there is also a one-way call signaling problem. Conditions: The symptom is observed with the following conditions: - Cisco IOS Release 12.2(33)SRD3. - Platform: Cisco 7613 router. - RP: RSP720-3CXL-GE. - SIP: Cisco 7600 SIP-200. - SPA: SPA-1XCHSTM1/OC3. This issue normally begins to show when the count of the channelized subinterface (number of cRTP sessions) is 200 or over.
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