Re: Strange behavior of Catalyst4006

[Robert Blayzor <rblayzor () inoc net>]

Joe Shen wrote:

> The customer is allocated a Class C address block 192.168.5/24.  And , they connect their network to our
> network  by using a firewall.  The Interface on Cata4006 is set up as "no switchport", and inter-connecting 
> subnet is configured between Cata4006 and firewall interface(10.10.1.122/30).

For starters 10.10.1.122/30 is not on a valid subnet boundry.

Other things to make sure is that speed and duplex are always forced 
toward customer facing equipment. (you never know whats on the other side)

--
Robert Blayzor
INOC, LLC
rblayzor () inoc net