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Cisco Bug: CSCum11303 - Router crashes on disconnecting an ISDN call

Last Modified

Mar 03, 2018

Products (74)

  • Cisco IOS
  • Cisco C897VA Integrated Services Router
  • Cisco C892FSP Integrated Services Router
  • Cisco 2951 Integrated Services Router
  • Cisco 819 Hardened Integrated Services Router
  • Cisco 861W Integrated Services Router
  • Cisco VG204XM Analog Voice Gateway
  • Cisco 1905 Serial Integrated Services Router
  • Cisco 881SRSTW Integrated Services Router
  • Cisco 812 CiFi Integrated Services Router
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Known Affected Releases

15.1(4)M4 15.2(4)M6 15.3(3)M

Description (partial)

Symptom:
Router crashes when an ISDN call is disconnected and Virtual-Access interface changes the state to down. At the time, following messages are seen

%LINK-3-UPDOWN: Interface Virtual-Access2, changed state to down
%SYS-2-CHUNKNOROOT: Root chunk need to be specified for 8CF998A0 -Process= "VTEMPLATE BKG OW Mgr", ipl= 0, pid= 31
-Traceback= 8252A628z 84574F98z 819523ECz 83C4E148z 83C4EAF0z 800292C4z 80029E94z 846A4AB8z 846A7C60z 8588925Cz 85888B98z 8469E280z 8469E440z 8469E4FCz 819B6DF8z 8199DFC0z

Conditions:
The problem is seen when router is busy and  "ppp timeout" is configured with "either" option.

Related Community Discussions

コール切断時にルータの再起動が発生する
2014年11月07日(初版) 2014年11月07日(アップデート) TAC SR Collection 主な問題 アナログ回線やISDN回線上でデータ通信を行うルータの Virtual-Template に  &quot;either&quot; オプションの付いた &quot;ppp timeout&quot; コマンドが設定されている場合、コールを切断するタイミングでルータの再起動が発生する可能性があります。   設定例 interface Virtual-Template1 ppp timeout idle 30 either   この問題が発生すると再起動直前に下記のメッセージが出力されます。 % | LINK-3-UPDOWN: Interface Virtual-Access2, changed state to down %SYS-2-CHUNKNOROOT: Root chunk need to be specified for 8CF998A0 -Process= &quot;VTEMPLATE BKG OW Mgr&quot;, ipl= 0, pid= 31 | 原因 この問題は <key>CSCum11303</key> として報告されています。 ...
Latest activity: Nov 06, 2014
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