Switching

Hi all, I have a network with Cisco switches and 3Com switches...In the Cisco switches I trust the DSCP priority. I know, this is a Cisco forum but I need help about 3Com and I'm sure you can help me:  I have a 3Com 5500 with s4m03_03_02s168e.app and...

I'm having a problem with a switch I just purchased, it seems only the last two ports are working (these are also the "combo" sfp ports, I'm using RJ-45)  The ports 1-16 show link however they don't appear to be able to communicate with the other two...

Cisco 2960 24TC-S 24 port 10/100 switch suddenly gone dead in power fluctuation only after connecting the power cord the fan blows in the switch. No lights are glowing or functioning.Can anybody suggest the guideline to repair it or to detect what ex...

Hi All, I need some help from you guys on configuring the quad sup VSS on two 4507 chassis. May I have the guide on how to configure quad sup VSS? Is it complicated? Thanks.

Hello,   I have router that use WS-SUP32-GE-3B,  I have error after upgrade my IOS :  %MLSCEF-SP-4-FIB_EXCEPTION_THRESHOLD: Hardware CEF entry usage is at 95% capacity for IPv4 unicast protocol #sh mls cef summary Total routes:                    ...

Hello, In the datasheet of Cisco ISR CISCO891-K9, it is written "Recommended = 50 Users" Can anyone tell me what that means ?  does it mean only 50 users can be connected to the Router at a time ?  Thanks,

Just bought a Cisco 2960S and fired it up.  Normally the fan seems quite loud when booting these types of switches up, but then dies down after they are fully booted up.  This last one I got seems like the fan is going full blast from the time a boot...

Dear Allwe are facing following error while configuring HWIC-2FE in cisco router 3845, IOS version is: 12.4(24)T7 here is the error message when i did "Sh diag" WIC Slot 2:        Failed Identification Test [ 7/0 ]        2 Port FE HWIC        Hardwa...

Hello Friends,Situation:One of my FTP Server is configured with 2 NIC, as MS 2k8 Standard do not support clustering and my NIC also do not support NIC teaming so i am using DNS round robin for load balance.... and each NIC have a different private IP...

I plugged a new Cisco SG300-10P into an access port on our Cisco 6513, which is in vtp mode.  I am thinking I will need to create a trunk port from the Cisco 6513 to the SG300-10P, in order to carry my desktop data vlan 1, and my new shoretel VOIP vl...

I'm using C3850, and want to set dscp AF21 for the first 100 mbps of input traffic on a L3 port ("no switchport"), and set AF11 for the remainder (any traffic >100mbps).  I am not trusting DSCP of ingress packets, but generally they are dscp 0.I see ...