Switching

Hi I have a 3750G switch with a port  that I have setup qos on that is set for dscp but doesn't show any dscp stats interface FastEthernet1/0/2 description Pegasus-NextDC Interface switchport access vlan 1001 switchport mode dot1q-tunnel srr-queue ba...

Hi community, I'm having a Catalyst 6800 VSS with multiple L3 uplinks to routers.Each of these links are dedicated L3 without MEC. Is it recommended to use BFD on these interfaces or not? Especially what happens if my active Sup fails, does it bring...

I have cisco 2900 routet. loopback0  interface is configured as the source interface of tftp. when I try to tftp the router configuration to my labtop and error message appears "/error opening tftp:" But when i configured interface g0/0 which is conn...

After plugging in my Cisco 819's AC Power adapter, the led power indicator light flashes instead of solid green. What does this indicate?

Hello Recently, we have purchased a Cisco Switch 4503, and I'm facing a problem with it, anyone can help, I would be thankful. I've two switches, one access switch model 2960 and one core switch mode 4503. I'm trying to implement the Inter-VLAN co...

I've set myself up a lab so I can expand my cisco skills (up until now I've mainly worked with HP) and wanted to play with different concepts. So as an exercise, I thought I'd try an configure a set of 'cascading vlans' for want of a better phrase w...

Hello, I have 3850 stackable switches and reboot them to load into the new IOS, but say the IOS fails to boot to the new IOS does it automatically boot from previous IOS or do I have to go rommon mode?

I am trying to clean up old configs on some equipment that I recently became in charge of.  I'm a little puzzled because our access switches were set up as trunk ports, with PC's and IP phones connected to them, they are responding as if they were ac...

Hello, My Cisco 6509 Router is trying to reboot continuously. It is not going to even in the ROMMON mode and so I can't give any command input, can't change the config-register or anything. The message I'm getting from console login is: *** System r...