Switching

I consider to implement fallback bridging ona Catalyst 6500 with WS-SUP720-3B (MSFC3+PFC3B).This is a solution for non-routable (IBM) traffic thatneeds to be forwarded between the 6500 VLANs.I am concerned that the bridging may affectthe performance ...

Dear all i have 3750 which does interVLAN routing and a default route for internet with DHCP enable now what should be good for redundancy purpose HSRP or VTP&STPone more thing in VTP does the VTP update the IP address in the VLAN to the clienti have...

Hi all, on my asa, how do i let icmp pass through it, does it allow it via default ? from inside to outside ?

I have 2 cisco 2960 switches which are cascaded to each other using the uplink ports. I have a cisco 1841 router with 2 ports as well 1 port is connected to my Lan and 1 to WAN natting is also enabled on the router. I just want to make Vlans using vi...

Hii...We have an issue where one of the switch ports(trunk port) was in err-disable state,with indications of loop-back error detected on that.All stuff failed until i made the port portfast enabled and reset the port.this has made it come up.I am aw...

Hi everyone,I have a home lab setup with three 3640 routers, easily named and connected as "Top", "Left", and "Right". They are connected in a triangle, with the top router on the top and the other two on the bottom. Each router has 2 serial cables c...

Hi, we have a Cisco 4506 switch that is running IOS 12.2(20)EWA3. We are wanting to enable WCCP to use transparent proxying however I need to upgrade the IOS to support this feature. Going through the Software Advisor the latest it is telling me I ca...

I've looked around and can't seem to find anything so I'll ask here. Can anyone point me to a spot on Cisco's site that lists the LAN switching platforms that will do QinQ tunneling? I would greatly appreciate it. Thanks!

Hello Everyone,I've been doing a lot of reading on the forums and I can't seem to find exactly what I'm looking for. We have a few situations where we have a single router that we want to make as highly available as possible. Due to connection limi...

Hello -I am configuring autocommand with SSH, but it does not work. I put the username with the "autocommand" option to execute a "menu [menu name]".It works fine on telnet. There is no configuration on the line.Please advise if the autocommand optio...

Hi all, we have a massive problem on our site, where we have changed the address of the domain controller/dns servers, we have found hundreds of machines on that network still arping for the old addresses, so much that its creating a broadcast storm....

I enable arp inspection and have a acl for mapping IP to MAC and apply it to VLAN 200.What happen if a packet with IP is not in the ACL is received on VLAN 200 ? Does the switch flood it or drop it ?The switch is 4500.

hi can someone help me out in configuring VLAN,VTP and STP also trunking.