Secondary IP for Catalyst switches?

Can a secondary IP be assigned to a Catalyst switch SC0 interface temporarily? If so, once I logon (by console/telnet) to the switch, I can troubleshoot the connectivity to an attached PC/server by pinging its IP address (assuming the secondary IP temporarily added is the same subnet as this

When do you clear ARP?

When do you clear ARP on a router? Any scenario related to firewall or local director? **NOTE: New CCNA/CCDA List has been formed. For more information go to http://www.groupstudy.com/list/Associates.html _ UPDATED Posting Guidelines:

Re: Easier way to do Access-lists

Easier way to do Access-lists Elmer: This is my guess. Do you have the answer? access-list 111 denyip 211.0.0.0 0.255.255.255 any log access-list 111 denyip 212.0.0.0 0.255.255.255 any log access-list 111 permit ip any any === ""Deloso, Elmer

Re: Easier way to do Access-lists

Dale: You really think DEEP. (You meant 214.3.1.50 instead of 214.3.2.50, right?) ""Dale Holmes"" [EMAIL PROTECTED] wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... What is strange about it is that I can't tell where 214.3.2.50 is in relation to the router interface on which this

Re: Class A or C??

It is a subnet of a Class A. This subnet has a 255.255.255.0 (or /24) subnet mask and also falls on 10.0.0.0 Class A private address space. "Oscar Rau" [EMAIL PROTECTED] wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... We are configuring a PIX interface with the following

Is a TCP packet encapsulated by a IP packet which is inside a Layer 2 frame?

Is a TCP packet (layer 4) encapsulated by a IP packet (layer 3) which is inside a Layer 2 frame? If so, why the headers of a IP packet and TCP packet look so similar and redundant? ___ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ,

What is the point of having a DHCP agent?

Having a DHCP agent will allow distribution of DHCP address across different subnet. But then isn't the address supposed to be subnet dependent? If you have a DHCP server sitting in Subnet A releasing IPs for Subnet B and an agent sitting in Subnet B helping the distribution. Hosts in B will get

PacBell wants to charge $30 everytime I change my home ISDN equipment?

PacBell wants to charge $30 everytime I change my home ISDN equipment. They said they have to reprogram their side to reflect the new equipment. I am setting up my home lab with 3COM Impact, Pipeline75 and Cisco routers. That is gonna cost me arm and leg! Do I have to let them know?