[c-nsp] 877 ADSL router does not work

Marko Milivojevic markom at PanGalactic.net
Tue Jan 3 05:12:18 EST 2006


What do "show dsl interface atm 0" and "show controllers atm 0" say?

Gideon Le Grange wrote:
> Hi
> 
> I've obtained a Cisco 877 ADSL router to test as a replacement for the 
> 837. According to 
> http://www.cisco.com/en/US/products/hw/routers/ps380/products_qanda_item0900aecd8028a982.shtml 
> there should not be migration issues from the 830 or 850 series to the 870.
> 
> However, when I plug the 877 into an ADSL line with an identical 
> configuration to the 837, the ATM interface does not come up:
> 
> test#  sh ip int brief
> Interface                  IP-Address      OK? Method 
> Status                Protocol
> ATM0                       unassigned      YES NVRAM  
> initializing          down
> ATM0.1                     unassigned      YES unset  
> initializing          down
> 
> The router remains in this state, unless a shutdown/no shutdown is done 
> on ATM0:
> 
> test#  sh ip int brief
> Interface                  IP-Address      OK? Method 
> Status                Protocol
> ATM0                       unassigned      YES NVRAM  
> down                  down
> ATM0.1                     unassigned      YES unset  
> down                  down
> 
> The ADSL line and the RJ11 cable used were tested with other routers and 
> works.
> 
> Any ideas?
> 
> Thanks
> Gideon 



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