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 [EMAIL PROTECTED]