Switching

Hi,We have Cisco propreitary features like Root Guard , BPDU Guard, Loop Guard to protect from unauthorised access to network by connecting swithcesto our network enhancing security .What are the open standard features like Root guard or BPDU Guard o...

Is it possible to connect two or even three routers that are trunked to a switch with sub-interfaces. I have made a diagram of the situation.Simple Diagram HereIn testing the configuration, the only way I have gotten it to work is to not trunk a rout...

I have a Cisco 3620 router with a 2FE2W network module.  For some reason when I enter the interface fastethernet0/0.1 command and then try to put the "encapsulation dot1q" it does not take.  When I hit the question mark it doesn't say that "encapsula...

Hi Folkshow the FWSM uses the Backplane of the 6509-E Sup 720Thanks

Hi Folkswhat is the meaning and function of fabric Path in cisco switching?any link or video regarding the sup2T out there?

I have two 3750x switches that are stacked and operating only at Layer 2; while they are both 48-port switches, I have fewer than 30 hosts in total. Presently I have only populated the ports on the master switch. My thoughts all along were since the ...

Hi FolksAgain,3750 Speacking ,why the stack cable hase to be connected forn Stack-1 port on switch 1 to stack 2 port on switch 2 ,while stack 1 port on the switch 1 goes to stack port 2 on switch 1 ,this in case of 2 cablenow in case for 1 single cab...

Hi all experts.I want to match the followings hosts192.168.1.70/24 - 192.168.1.150/24As you can see that, simple summarization techniques might not be useful here. In IOS do we have any other way of matching a range of host other then wildcard masks ...

Hi,I have just started messing around with cisco routers and I have run into a few things I can not found answers for.Firstly:I can configure a router and save the config with 'copy running-config startup-config' but when I restart the router the con...

we're doing the manual IOS upgrade for 3750 stack, copied the new ios image bin file to flash1 and flash, dir flash1: and flash:, thec3750-ipbasek9-mz.122-55.SE1.bin image files are there, but try to verify those bin files, below is what we gotverify...

Hello I have a cisco 1821 router acting as remote access for vpnclients, LAN LAN VPN device and also LAN router. All in one.My LAN has a 192.168.23.0/24 addressing, and router has 2 IP Addresses, one on public IP on the public interface Fa0/1and 192....