I have (2) cisco 9500-24Y4C switches and I am looking to get advise on which ports I should use.  I want to create a virtual stack.  From what I have read so far, it seems best practice would be to use 3 ports per switch.  (2) ports for the SVL link ...

Hi, Please take a look at my basic diagram.  I have (2) layer 2 circuits form 2 different carriers connecting my catalyst 9000's in two different datacenters.  Currently, one is active and the other is in standby mode via being blocked by STP.  I am ...

Hi, I have 2 ports (port 47 and Port 48) that are both in the same ether channel and are trunk ports.  I have 2 vlans which are vlan 47 and vlan 48.  I would like that only vlan 47 is allowed on port 47 and only vlan 48 is allowed to pass on port 48 ...

Hi,I have 2 metro ethernet Layer 2 circuits by 2 different carriers.  They fully pass all vlan traffic.  When I do a show cdp neighbor command I see the switch on the other side.  My question is, is it possible to etherchannel 2 ports over different ...

Hi, I am trying to limit all of my DNS queries from my inside network to only go to certain DNS Servers on the internet and deny any other DNS request.  So in the ASDM I crated 2 network objects and created a network group with the 2 DNS servers I wa...