[c-nsp] line con 0 as terminal server on Cat6500?

Aaron Gould aaron1 at gvtc.com
Fri May 18 07:00:38 EDT 2018


I'm not sure if you can use a console port for connecting to another router's console port , but you can use the auxiliary (aux) port to do that.  I've done it many times

Aaron

> On May 18, 2018, at 1:55 AM, Patrick M. Hausen <hausen at punkt.de> wrote:
> 
> Hi all,
> 
> last weekend one switch in our VSS pair failed. Redundancy/VSS
> did work and we kept our connectivity besides a couple of hosts
> that only have a single uplink and were connected to that particular
> chassis.
> 
> When I came to the data centre I found the failed chassis in rommon.
> A simple "boot" command restored everything to working order.
> 
> Now to spare me that drive in case that happens again - is it possible
> to use the console port of a working Catalyst 6500 to act as a terminal
> server for the other one? We have quite a lot of spare rollover cables ;-)
> 
> I found these instructions but I think I'm missing something:
> https://www.cisco.com/c/en/us/support/docs/dial-access/asynchronous-connections/5466-comm-server.html
> 
> ip host other 2000 1.2.3.4
> 
> Core2#telnet 1.2.3.4 2000
> Trying 1.2.3.4, 2000 ... 
> % Connection refused by remote host
> 
> I used the real IP address of looppback0, of course.
> 
> 
> Side note/question: any idea what could cause a Cat6500 VS-S720-10G
> to fail, reset (I can understand *that*) and then not boot into IOS and stay
> in rommon?
> 
> Standby BOOT variable = sup-bootdisk:s72033-adventerprisek9_wan-mz.122-33.SXJ10.bin,1;disk0:s72033-adventerprisek9_wan-mz.122-33.SXJ10.bin,1;
> Standby Configuration register is 0x2102 
> 
> Core2#dir slavesup-bootdisk:
> ...
> s72033-adventerprisek9_wan-mz.122-33.SXJ10.bin
> 
> 
> Thanks!
> Patrick
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