Hi, I want to know if you can set up a port in replication/mirror mode for sniffing purposes on a Catalyst switch. We need to start sniffing traffic because we have a problem, and we need that feature. Thank you.

Hi, we have a problem that is driving us nuts. We are a Voip service provider, and we have two AS5400 gateways. Some of our sip conversations are being invaded by a foreign stream of audio that is NOT configured on any of our applications. When I sni...

Hi, we're having a problem and I don't know what to do at this point. We have two CSS's on a redundant setup. We have master and slave. The master suffers from a rare problem.The Vlan attached to the port in question, suddenly gets down and the serve...

Hello, I'm trying to set up an Easy VPN on a cisco 871 router. We are doing it in extended network mode, and the VPN connects fine. But I need to know what more I need. In theory, when you connect to an ezvpn extended network mode you get an IP of th...

Hi, when trying to connect two cisco routers through VPN, the only debug I have after activating it for crypto isakmp error, ipsec error and crypto engine is :*Apr 22 14:31:31.672: ISAKMP:(0:0:N/A:0): construct_initial_message: Can not start Main mod...