[cisco-nas] 801 strange disconnect

[Tassos Chatzithomaoglou]

What does "Mandatory IE missing" mean? Is there a problem with the isdn line?


Cisco 801 (12.0(7)T logs)
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Oct 29 14:39:49.199: BR0:1 PPP: Missed 5 keepalives, taking LCP down
Oct 29 14:39:49.415: BR0 DDR: has total 2 call(s), dial_out 0, dial_in 0
Oct 29 14:39:49: %DIALER-6-UNBIND: Interface BRI0:1 unbound from profile Dialer1
Oct 29 14:39:49.475: BRI0:1 DDR: disconnecting call
Oct 29 14:39:49: %ISDN-6-DISCONNECT: Interface BRI0:1  disconnected from xxxx, call lasted 
7800 seconds
Oct 29 14:39:49.591: ISDN BR0: TX ->  DISCONNECT pd = 8  callref = 0x7D
Oct 29 14:39:49.595:         Cause i = 0x8090 - Normal call clearing
Oct 29 14:39:49.727: ISDN BR0: RX <-  RELEASE pd = 8  callref = 0xFD
Oct 29 14:39:49.727:         Facility i = 0x91A11302023C2F020122300AA105300302011E820101
Oct 29 14:39:49.731:    - ETSI Supplementary Service, Invoke, AOC-D Charging Units: 30
Oct 29 14:39:49.735:         Display i = '30', 0x20, 'UNITS'
Oct 29 14:39:49.743: ISDN BR0: TX ->  RELEASE_COMP pd = 8  callref = 0x7D
Oct 29 14:39:49.743:         Cause i = 0x80E028 - Mandatory IE missing
Oct 29 14:39:49: %LINK-3-UPDOWN: Interface BRI0:1, changed state to down
Oct 29 14:39:49.911: BRI0:1 DDR: disconnecting call
Oct 29 14:39:49.923: BRI0:1: AOC-D Recorded Units = 30
Oct 29 14:39:49.927: ISDN BR0: TX ->  RELEASE_COMP pd = 8  callref = 0x7D
Oct 29 14:39:49.927:         Cause i = 0x80E0 - Mandatory IE missing
Oct 29 14:39:50: %LINEPROTO-5-UPDOWN: Line protocol on Interface BRI0:1, changed state to down

-- 
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    Chatzithomaoglou Anastasios
Network Design & Operations Center
           FORTHnet S.A.
       <achatz at forthnet.gr>
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