[c-nsp] atm0 going down every five minutes (DSL: Defect: LOS LOF LCDi: retraining)
Marko Milivojevic
markom at pangalactic.net
Thu Jun 29 11:55:37 EDT 2006
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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>
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