[87950] in North American Network Operators' Group
Re: Problems connectivity GE on Foundry BigIron to Cisco 2950T
daemon@ATHENA.MIT.EDU (Sam Stickland)
Sun Jan 15 18:51:11 2006
Date: Sun, 15 Jan 2006 23:50:07 +0000 (GMT Standard Time)
From: Sam Stickland <sam_ml@spacething.org>
To: Paul G <paul@rusko.us>
Cc: nanog@nanog.org
In-Reply-To: <114501c61a20$00a4e500$6402a8c0@dcore>
Errors-To: owner-nanog@merit.edu
Hi,
On Sun, 15 Jan 2006, Paul G wrote:
> ----- Original Message ----- From: "Farrell,Bob" <bobf@studentsonly.com>
> To: "Randy Bush" <randy@psg.com>; "David Hubbard"
> <dhubbard@dino.hostasaurus.com>
> Cc: "Sam Stickland" <sam_ml@spacething.org>; <nanog@nanog.org>
> Sent: Sunday, January 15, 2006 4:45 PM
> Subject: RE: Problems connectivity GE on Foundry BigIron to Cisco 2950T
>
>> Cisco commands-
>
>> speed 1000
>> duplex full
>
> the bigiron wants (iirc):
>
> spe 1000-full
>
> i strongly suggest you peruse the cli reference for both devices.
On the foundry GBIC blades you can't configure the speed and duplex
settings, they only support 1000-full.
(config-if-e1000-1/2)#speed-duplex 1000-full
Error - can't change speed and duplex mode
I've dug through as much information as I can about the cisco 2950T and
802.3z/802.3ab and disabling the auto-negiation. There appears to be no
command at all available to do this.
The cabling arrangement is:
Foundry -- Straight -- Patch -- Underfloor -- Patch -- Crossover -- Cisco
GBIC Cable Panel Straight Panel Cable
If I replace the final crossover cable with a straight, change the foundry
to a 10/100 port, and plug the final end into a host NIC instead of the
cisco I get a connection. Crossover cable has been changed twice now, and
the RJ45 GBIC was previously working in a cisco 6500.
I am extensively familar (at least I believe I am) with both these models,
and this one has me stumped.
If nobody else can see any configuration errors I guess I'm down to
hardware issues.
Sam
