[Asterisk-bugs] [Asterisk 0010248]: chan_iax2 VNAK storm seen

[noreply at bugs.digium.com]

The following issue requires your FEEDBACK. 
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http://bugs.digium.com/view.php?id=10248 
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Reported By:                stevedavies
Assigned To:                
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Project:                    Asterisk
Issue ID:                   10248
Category:                   Channels/chan_iax2
Reproducibility:            always
Severity:                   minor
Priority:                   normal
Status:                     feedback
Asterisk Version:           1.4.5 
SVN Branch (only for SVN checkouts, not tarball releases): N/A  
SVN Revision (number only!):  
Disclaimer on File?:        N/A 
Request Review:              
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Date Submitted:             07-20-2007 04:47 CDT
Last Modified:              07-20-2007 17:21 CDT
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Summary:                    chan_iax2 VNAK storm seen
Description: 
Saw this happening on a customer between two boxes:

Tx-Frame Retry[-01] -- OSeqno: 064 ISeqno: 060 Type: IAX     Subclass:
LAGRP  
   Timestamp: 200069ms  SCall: 00061  DCall: 00059 [196.40.106.94:4569]
Rx-Frame Retry[ No] -- OSeqno: 011 ISeqno: 011 Type: IAX     Subclass:
VNAK   
   Timestamp: 29274ms  SCall: 00047  DCall: 00061 [196.40.106.94:4569]
Tx-Frame Retry[-01] -- OSeqno: 064 ISeqno: 060 Type: IAX     Subclass:
LAGRP  
   Timestamp: 200069ms  SCall: 00061  DCall: 00059 [196.40.106.94:4569]
Rx-Frame Retry[ No] -- OSeqno: 011 ISeqno: 011 Type: IAX     Subclass:
VNAK   
   Timestamp: 29285ms  SCall: 00047  DCall: 00061 [196.40.106.94:4569]
Tx-Frame Retry[-01] -- OSeqno: 064 ISeqno: 060 Type: IAX     Subclass:
LAGRP  
   Timestamp: 200069ms  SCall: 00061  DCall: 00059 [196.40.106.94:4569]
Rx-Frame Retry[ No] -- OSeqno: 011 ISeqno: 011 Type: IAX     Subclass:
VNAK   
   Timestamp: 29294ms  SCall: 00047  DCall: 00061 [196.40.106.94:4569]
Tx-Frame Retry[-01] -- OSeqno: 064 ISeqno: 060 Type: IAX     Subclass:
LAGRP  
   Timestamp: 200069ms  SCall: 00061  DCall: 00059 [196.40.106.94:4569]
Rx-Frame Retry[ No] -- OSeqno: 011 ISeqno: 011 Type: IAX     Subclass:
VNAK   
   Timestamp: 29305ms  SCall: 00047  DCall: 00061 [196.40.106.94:4569]
Tx-Frame Retry[-01] -- OSeqno: 064 ISeqno: 060 Type: IAX     Subclass:
LAGRP  
   Timestamp: 200069ms  SCall: 00061  DCall: 00059 [196.40.106.94:4569]
Rx-Frame Retry[ No] -- OSeqno: 011 ISeqno: 011 Type: IAX     Subclass:
VNAK   
   Timestamp: 29314ms  SCall: 00047  DCall: 00061 [196.40.106.94:4569]
Tx-Frame Retry[-01] -- OSeqno: 064 ISeqno: 060 Type: IAX     Subclass:
LAGRP  
   Timestamp: 200069ms  SCall: 00061  DCall: 00059 [196.40.106.94:4569]
Rx-Frame Retry[ No] -- OSeqno: 011 ISeqno: 011 Type: IAX     Subclass:
VNAK   
   Timestamp: 29341ms  SCall: 00047  DCall: 00061 [196.40.106.94:4569]
Tx-Frame Retry[-01] -- OSeqno: 064 ISeqno: 060 Type: IAX     Subclass:
LAGRP  
   Timestamp: 200069ms  SCall: 00061  DCall: 00059 [196.40.106.94:4569]
Rx-Frame Retry[ No] -- OSeqno: 011 ISeqno: 011 Type: IAX     Subclass:
VNAK   
   Timestamp: 29351ms  SCall: 00047  DCall: 00061 [196.40.106.94:4569]
Tx-Frame Retry[-01] -- OSeqno: 064 ISeqno: 060 Type: IAX     Subclass:
LAGRP  
   Timestamp: 200069ms  SCall: 00061  DCall: 00059 [196.40.106.94:4569]
Rx-Frame Retry[ No] -- OSeqno: 011 ISeqno: 011 Type: IAX     Subclass:
VNAK   
   Timestamp: 29360ms  SCall: 00047  DCall: 00061 [196.40.106.94:4569]
Tx-Frame Retry[-01] -- OSeqno: 064 ISeqno: 060 Type: IAX     Subclass:
LAGRP  
   Timestamp: 200069ms  SCall: 00061  DCall: 00059 [196.40.106.94:4569]
Rx-Frame Retry[ No] -- OSeqno: 011 ISeqno: 011 Type: IAX     Subclass:
VNAK   
   Timestamp: 29369ms  SCall: 00047  DCall: 00061 [196.40.106.94:4569]
Tx-Frame Retry[-01] -- OSeqno: 064 ISeqno: 060 Type: IAX     Subclass:
LAGRP  
   Timestamp: 200069ms  SCall: 00061  DCall: 00059 [196.40.106.94:4569]
Rx-Frame Retry[ No] -- OSeqno: 011 ISeqno: 011 Type: IAX     Subclass:
VNAK   
   Timestamp: 29378ms  SCall: 00047  DCall: 00061 [196.40.106.94:4569]
Tx-Frame Retry[-01] -- OSeqno: 064 ISeqno: 060 Type: IAX     Subclass:
LAGRP  
   Timestamp: 200069ms  SCall: 00061  DCall: 00059 [196.40.106.94:4569]
Rx-Frame Retry[ No] -- OSeqno: 011 ISeqno: 011 Type: IAX     Subclass:
VNAK   
   Timestamp: 29387ms  SCall: 00047  DCall: 00061 [196.40.106.94:4569]
etc etc etc etc

It did stop eventually when:

Rx-Frame Retry[ No] -- OSeqno: 010 ISeqno: 014 Type: IAX     Subclass:
HANGUP 
   Timestamp: 30238ms  SCall: 00047  DCall: 00061 [196.40.106.94:4569]
   CAUSE CODE      : 0

Tx-Frame Retry[-01] -- OSeqno: 014 ISeqno: 011 Type: IAX     Subclass: ACK
   
   Timestamp: 30238ms  SCall: 00061  DCall: 00047 [196.40.106.94:4569]
Rx-Frame Retry[ No] -- OSeqno: 014 ISeqno: 014 Type: IAX     Subclass:
VNAK   
   Timestamp: 30245ms  SCall: 00047  DCall: 00061 [196.40.106.94:4569]
Tx-Frame Retry[ No] -- OSeqno: 000 ISeqno: 000 Type: IAX     Subclass:
INVAL  
   Timestamp: 00000ms  SCall: 00061  DCall: 00047 [196.40.106.94:4569]
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Issue History 
Date Modified   Username       Field                    Change               
====================================================================== 
07-20-07 17:21  russell        Status                   new => feedback     
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