[c-nsp] atm0 going down every five minutes (DSL: Defect: LOS LOF LCDi: retraining)

Elmar Pigeaud pigeaud at gmail.com
Thu Jun 29 12:03:08 EDT 2006


Sorry for asking, but how can I lower the speed?

Thanks!

On 6/29/06, Marko Milivojevic <markom at pangalactic.net> wrote:
>
>
> Try lowering the speed. I had problems with some 827's at 8 Mb/s even with
> rather short lines (~300m).
>
> Elmar Pigeaud wrote:
> > Called them, they tested the line: no problem (they never heard of SELT
> > however). Other modems have no problem whatsoever (can't try another
> > cisco...). The line should be very short, because it is connected in our
> > own street and I get the full 8mbit.
> >
> > I can try to have them test the line more than they did now, but as
> > other modems have no problem on the same line, I don't think the
> > solution will be there.
> >
> > Any other suggestions?
> >
> > On 6/29/06, *Marko Milivojevic* <markom at pangalactic.net
> > <mailto:markom at pangalactic.net>> wrote:
> >
> >
> >     How long is the line? Can you ask the operator to perform SELT on
> >     the line?
> >
> >     Elmar Pigeaud wrote:
> >      > Sorry to re-submit the question, however, I got somewhat further.
> >     Our c836
> >      > router loses connection every five minutes. The line is ok, other
> >     modems
> >      > work fine. Our provider can see no problem. Can this have
> >     something to do
> >      > with my config? At the moment it is still very simple, and I have
> >     never
> >      > encountered a similar problem with the same provider.
> >      >
> >      > Has anyone ever seen a similar problem?
> >      >
> >      > Thanks in advance!
> >      >
> >      > Pjn
> >      >
> >      > The log:
> >      >
> >      > Jun 29 14:33:51.750: DSL: Defect: LOS LOF LCDi: retraining
> >      > Jun 29 14:33:51.750: DSL: Received response: 0x41
> >      > Jun 29 14:33:52.710: c820_atm_check_linkstate_periodic: PHY line
> >     is going
> >      > down
> >      > Jun 29 14:33:52.710:   Shutting down ATM0...
> >      > Jun 29 14:33:52.710: ATM0 c820_atm_shutdown: state=0
> >      > Jun 29 14:33:52.710: pquicc_sar_stop...
> >      > Jun 29 14:33:52.710:   c820_atm_stop_receive...
> >      > Jun 29 14:33:52.966:   pquicc_sar_rx_disable...
> >      > Jun 29 14:33:52.966:   Disable TX Cav ....
> >      > Jun 29 14:33:52.966:   Disable RX Cav ....
> >      > Jun 29 14:33:52.966:   Disable PD[15] and PD[14] ....
> >      > Jun 29 14:33:52.970: c820_reset_vc: conid = 0
> >      > Jun 29 14:33:52.970: c820_reset_vc: conid = 3
> >      > Jun 29 14:33:52.970: Resetting ATM0
> >      >
> >      > Firmware info:
> >      >
> >      > Cisco IOS Software, C836 Software (C836-K9O3Y6-M), Version
> >     12.3(8)T11,
> >      > RELEASE S
> >      > OFTWARE (fc1)
> >      > Technical Support: http://www.cisco.com/techsupport
> >      > Copyright (c) 1986-2005 by Cisco Systems, Inc.
> >      > Compiled Wed 10-Aug-05 20:25 by dchih
> >      >
> >      > ROM: System Bootstrap, Version 12.2(11r)YV3, RELEASE SOFTWARE
> (fc2)
> >      >
> >      > gw2 uptime is 2 hours, 52 minutes
> >      > System returned to ROM by power-on
> >      > System restarted at 11:48:51 UTC Thu Jun 29 2006
> >      > System image file is "flash:c836-k9o3y6-mz.123-8.T11.bin"
> >      >
> >      > Running config:
> >      >
> >      > !
> >      > ! Last configuration change at 13:07:35 UTC Thu Jun 29 2006 by
> admin
> >      > !
> >      > version 12.3
> >      > no service pad
> >      > service timestamps debug datetime msec
> >      > service timestamps log datetime msec
> >      > no service password-encryption
> >      > !
> >      > hostname c836
> >      > !
> >      > boot-start-marker
> >      > boot-end-marker
> >      > !
> >      > logging buffered 10000 debugging
> >      > no logging console
> >      > !
> >      > no aaa new-model
> >      > ip subnet-zero
> >      > !
> >      > !
> >      > ip ips po max-events 100
> >      > no ftp-server write-enable
> >      > !
> >      > !
> >      > username admin privilege 15 secret 5 <pw>
> >      > !
> >      > !
> >      > bridge irb
> >      > !
> >      > !
> >      > interface Ethernet0
> >      >  description $ETH-LAN$$ETH-SW-LAUNCH$$INTF-INFO-Ethernet 10/100$
> >      >  ip address 192.168.20.1 <http://192.168.20.1> 255.255.255.0
> >     <http://255.255.255.0>
> >      >  ip nat inside
> >      > !
> >      > interface BRI0
> >      >  no ip address
> >      >  shutdown
> >      > !
> >      > interface ATM0
> >      >  no ip address
> >      >  no ip route-cache
> >      >  no ip mroute-cache
> >      >  no atm ilmi-keepalive
> >      >  dsl operating-mode auto
> >      >  dsl enable-training-log
> >      >  bridge-group 1
> >      >  bridge-group 1 spanning-disabled
> >      >  pvc auto 0/34
> >      >   encapsulation aal5snap
> >      >  !
> >      > !
> >      > interface FastEthernet1
> >      >  no ip address
> >      >  duplex auto
> >      >  speed auto
> >      > !
> >      > interface FastEthernet2
> >      >  no ip address
> >      >  duplex auto
> >      >  speed auto
> >      > !
> >      > interface FastEthernet3
> >      >  no ip address
> >      >  duplex auto
> >      >  speed auto
> >      > !
> >      > interface FastEthernet4
> >      >  no ip address
> >      >  duplex auto
> >      >  speed auto
> >      > !
> >      > interface BVI1
> >      >  mac-address 000f.fe1e.f0a5
> >      >  ip address dhcp
> >      >  ip nat outside
> >      > !
> >      > ip classless
> >      > ip route 0.0.0.0 <http://0.0.0.0> 0.0.0.0 <http://0.0.0.0> BVI1
> >      > no ip http server
> >      > ip nat inside source list 1 interface BVI1 overload
> >      > !
> >      > !
> >      > access-list 1 permit 192.0.0.0 <http://192.0.0.0> 0.255.255.255
> >     <http://0.255.255.255>
> >      > !
> >      > control-plane
> >      > !
> >      > bridge 1 protocol ieee
> >      > bridge 1 route ip
> >      > !
> >      > line con 0
> >      >  login local
> >      >  no modem enable
> >      > line aux 0
> >      > line vty 0 4
> >      >  privilege level 15
> >      >  login local
> >      >  transport input telnet ssh
> >      > !
> >      > scheduler max-task-time 5000
> >      > !
> >      > end
> >      > _______________________________________________
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> >     <mailto:cisco-nsp at puck.nether.net>
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> >      >
> >
> >
>


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