Switching

is IPv6 to IPv4 Nat is supported on VSS? and if it supported is it hardware or software?

Hi All,I have a Catalyst 2940 switch which has 8 x 100MB ethernet ports and single Gigabit ethernet port. It runs IOS Version 12.1(22)EA8a.I also want to acquire a streaming server that can stream HD video files to my HD TV downstairs. I understand f...

what's the mean of VLAN extension?

I have (2)6513 Switches that I need to upgrade the IOS. Both have dual SUPs. I am looking for a step by step procedure to make sure that the upgrade goes successfull. Is it pretty much same the way we upgrade lower end routers with the following pro...

Hi,We have a frequent problem where we're often trying to trace back an IP to a specific switchport on one of our 3560 switches.I seem to recall something about configuring DHCP Snooping to record the switchport attached to an IP address.Does anyone ...

HiFinally got my 857 up and working and have NAT working to port forward ports 80, 25 and 443 to my internal servers.I have a block of IP 'S and want to configure the router to use a second IP address so that I can configure citrix web access so that...

Hi ALL:I see the last input and 30 sencond input and output as 0.What my understandinig is since CEF is enabled the packet are not hitting the CPU and thats why i dont see any input and output.Is that right or i am missing something.This is 4507r wit...

I AM able to connect to the 871W router with IP address 10.10.0.1BUT, when I change it to 10.0.0.1, I cannot connect.The router appears to have saved the change and to be functioning on this address as it provides DHCP IP addresses properly to my PC ...

I have a Cisco 3560 switch with sfp uplink to distribution switch. I noticed that the uplink port (dot1q trunk) was flashing amber then green then amber then green. I watched it do this for a good 10 minutes then the link just went dead. I checked th...

I have a hybrid 6509 MFSC32/SUP2 running about 60% processor usage peak on the switch, and recently netop has been showing me huge losses in network traffic payload, and during these times users are complaining about network slowness and windows file...

What I'm trying to do here is take an office of 40 ports and make it so none of them can talk to each other on the network. They each still need to be able to access the internet but cannot be allowed to tansmit data to, or access each other.Can this...

Hi everyone, I'm a newbie in CISCO systems but i'm actually excited to work these brand. I have a router 2600 and I'm working in little lab testing, but I actually don't know that much about routing. I have a static IP 64.x.x.x provided by Verizon an...