Switching

when stacking of 3 switches in row?what will happen for the end nodes(pc,workstation) connected to 2nd unit (switch) of a stack when its port or hardware fails?what are the main advantage?it will share power only or unit1unit2unit3 

Hi,Could anyone please let me know which trap we need to enable to monitor FEX module on 5K.If FEX goes down due to link failure/power down we do not receceive any trap on SNMP server.Your help is highly appreciated. Ethernet1/5 is where Fex module i...

Hi everyone, I just tried doing a show run on a router. However, the usernames configured within the router does not appear in the show run. I am currently using a console interface to log into the router. Anyone has any idea why the usernames are no...

Hi, I'm thinking about buying a 2801 router, and adding a gigabit HWIC card to handle some intervlan routing, with one of the two fast ethernet ports being a link out to the internet. This is mostly just for a test setup. Do you guys think the 2801 w...

Hi all,I'm using switch Catalyst 2960. I use pc for console, I want to packet from a device to switch, I saw that Switch only receive bytes but not receive packets, I don't know why? I console switch, " show interfaces stats". Thank you very much.

Hi,what are the main differences between IP Base and Enterprise Services feature set for the Catalyst4500X?Is any document ecplaining the matter? Any help appreciated.thanksKnut

Hi,I have set up a practice lab in GNS3 for understanding "Classifying & Marking" DSCP values.  The topology is like this:(R2)---------f0/0(R1)f0/1----------(R3)R2 has two loopback interfaces with IP addresses 172.1.2.100/25 for loopback0 & 172.1.2.2...

Hi,I have setup port-channel to Netgear switch. The port-channel is setup on LACP and ports are UP. The trunking is also working and I can communicate on the VLANs. The issue I am seeing is the port-channel  ports are not (P) but (I). It means the po...

Hi , i got a 2921 , and i am working to configure it as a failover router with 2 ISP , the failover works great , but the computer have not internet , i can ping the gateway , but i cannot ping nothing more , even the IP configured in the other inter...

How to resolve following vPC error :- Compatibility check failed for speed,   thanks

Hello,I can't find any documentation on whether the following configuration is supported.  I'm connecting a 2248PQ to a Nexus 5672UP via a 12 fiber MPO cable with a FET-40G on each end.  I know I have to breakout the 40G ports on the switch into 4x10...