Switching

I am an embedded software developer, and have a need to find a switch that will support two LAN's, with the traffic completely segregated. Can any of Cisco's switches do this? What would such a feature be called?Here's how it will be used:When deve...

Hi all!I have a ring topology with 5 switches running MST Standard with 2 instances. The Aggregation switch is configured within a MST Region, and the others 4 switches belong to another MST Region. I am doing some tests to find out the real converge...

Hi!I'm trying make a lab-setup using a Cisco 1841 (IOS 12.4(4)T2) for eth-bridging over L2TP using BCP/PPP/L2TPaccording to RFC 3518. The peer-end (LAC) of the connection is a Linux device running xl2tpdtogether with a patched pppd supporting bcp.The...

Hi to all,I wanted to know if Cisco has built load balancers which support MAC ACLs like on its switches. I know that some Cisco Load Balancers support standard IP and Named IP ACLs. But what abt standard MAC and Named MAC ACLs?Thx in advance..Warm r...

Hello all,I have a video streaming multicast server witch performs rather poorly in a LAN environment. I used IGMP snooping for multicast and that part works just fine. However some of the clients are experiencing unacceptable latency and jitter (the...

hi there,i got a 1841 router and i have a dsl - line. i get a public ip, but i do not have access to the internet. i have no idea why... can anyone help me? thanks a lot.actual config:Current configuration : 1964 bytes!! Last configuration change at ...

Im working with my server team and they are requesting i change the port setting on the 3350 to auto speed. I understand that gig ports can only be set to full. But I am used to seeing "auto" in the show interface command...but i am not seeing it he...

Failed the CCNA once already, got whomped by the NAT lab and now looking to get a NAT lab running at home to work on it with.I have a 3640, a 3550 and a 2950 to work with. I also have cable modem service with a dynamic IP assigned ua DHCP.Is it possi...

Hi,We have 6 switches connected back to back. Out of that, 2nd switch from top has the following problem.Automatically user not able to work on a particular switchport. We have tried to ping gateway but result is request time out. Also tried to chang...

Gurus,Can somebody guide me for analysing the Switch/ Router Crash info analysing tool. Output interepter is not good enough to find clues. Please help.Regardskaruna

hi all, i have created the attached diagram in a lab and all is working fine, i can ping all networks (all loopbacks from each router) however there is a small quetion i would like some help. when i ping from any router e.g if i ping from R5 ro lo3 o...

We configured cross-stack channels from 3750s to two 6509s so the choice is to use static configuration (channel-group mode ON), or LACP (channel-group mode ACTIVE). Can anyone tell me the pros and cons of using either of them?

I am trying to migrate a P2P serial interface from a 3640 router to a 3845 router but noticed that interface is down.The config is shown below.interface Serial0/1----2811 router description ip address x.x.x.1 255.255.255.252 encapsulation pppinterfa...