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

Marko Milivojevic markom at pangalactic.net
Thu Jun 29 12:47:38 EDT 2006


Not on all platforms, for sure. :-)

Kristofer Sigurdsson wrote:
> I believe you can adjust the speed from your end with dsl line-rate ...
> 
> -Kristo
> 
> 2006/6/29, Elmar Pigeaud <pigeaud at gmail.com>:
>> Nope, that's the problem. Could it be the firmware? I don't know, 
>> however,
>> how to get it.
>>
>>
>> On 6/29/06, Marko Milivojevic <markom at pangalactic.net> wrote:
>> >
>> >
>> > You don't have another Cisco to try out?
>> >
>> > Elmar Pigeaud wrote:
>> > > Hm... too late to ask them now. Workday's been over for aaaages 
>> (6:15)
>> > ;-)
>> > >
>> > > Can you think of anything else?
>> > >
>> > > Thanks, however.
>> > >
>> > > On 6/29/06, *Marko Milivojevic * <markom at pangalactic.net
>> > > <mailto:markom at pangalactic.net>> wrote:
>> > >
>> > >
>> > >     I believe that you can't set it from your side (I could be 
>> wrong, I
>> > >     don't
>> > >     have any routers now that I can play with), but you could ask
>> > service
>> > >     provider to lower it. 8 Mb/s downstream may not be the real 
>> problem,
>> > it
>> > >     could be related to the upstream speed. 4M/512K should work 
>> for up
>> > >     to 3 km
>> > >     over sewer pipes ;-)
>> > >
>> > >     Elmar Pigeaud wrote:
>> > >      > Sorry for asking, but how can I lower the speed?
>> > >      >
>> > >      > Thanks!
>> > >      >
>> > >      > On 6/29/06, *Marko Milivojevic* <markom at pangalactic.net
>> > >     <mailto:markom at pangalactic.net>
>> > >      > <mailto:markom at pangalactic.net 
>> <mailto: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>
>> > >      >     <mailto: markom at pangalactic.net <mailto:
>> > markom at pangalactic.net>>
>> > >      >      > <mailto:markom at pangalactic.net
>> > >     <mailto:markom at pangalactic.net> <mailto: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>
>> > >     <http://192.168.20.1>
>> > >      >     <http://192.168.20.1> 255.255.255.0 
>> <http://255.255.255.0> <
>> > >     http://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> 
>> <http://0.0.0.0>
>> > >     < http://0.0.0.0> 0.0.0.0 <http://0.0.0.0>
>> > >      >     <http://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>
>> > >     <http://192.0.0.0>
>> > >      >     <http://192.0.0.0> 0.255.255.255 <http://0.255.255.255>
>> > >     <http://0.255.255.255 <http://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
>> > >      >      >      > _______________________________________________
>> > >      >      >      > cisco-nsp mailing list   
>> cisco-nsp at puck.nether.net
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>> > >     <mailto:cisco-nsp at puck.nether.net>>>
>> > >      >      >      > 
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>> >
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