Switching

I would like to create a QoS marking policy that re-marks packet to CS5 if the inbound traffic is SIP *and* if it is marked CS3 when it comes in.  I would have expected the configuration listed below will work.  I only found out when I tried to apply...

hello dears; can you help to open some ports like: 25, 69, 21, 20, 53, 80, and so on cisco 800 series routers. very urgent!!1

Hi,We've got two 4500-X as VSS configured and 3750-X as Access Switches. We want to use IPTV Multicast in this Network. The Core is configured as PIM Multicast Router in Sparse-Dense Mode and the Access Switches are snooping for IGMP Pakets. After co...

Hi,  I am adding VPC to a nexus deployment this weekend,unfortunately some new 2k switches haven't arrived so I will not be able to create a FEX , portchannel etc for the equipment on the other floor of the data centre.   So I'm stuck with two stan...

I recently upgraded an IOS on a switch 3750G-48PS-S from c3750-ipbasek9-mz.150-2.SE5.bin to c3750-ipbasek9-mz.150-2.SE10.bin. Upon reloading it, the IP phones fail to complete the booting process. I had to downgrade the IOS of which after that, all t...

Hi all,  i have problem after apply GNAC on site  When i start copy file from PC to Server or connect to User PC via DMware - port on switch go ro error disable and in log i see message  Nov  2 11:10:05.760: %PORT_SECURITY-2-PSECURE_VIOLATION: Securi...

what is the function of mls qos srr-queue input buffers and mls qos srr-queue input bandwidth command? doesn't it do same thing? what is the difference between bandwidth assigned using mls qos srr-queue command and bandwidth assigned using MQC polic...

WS-X6408-GBIC line card shows : rx-(1q4t), tx-(2q2t) for queuing. I don't see priority queue. if I reserve, prioritize bandwidth for voice traffic using policy-map than is the traffic going to be prioritized over other traffic in case of congestion?

Hi, I have some users on a single switch with dedicated bandwith to internet : 8Mo SDSL. If I don't put any QOS on my switch, if a user have a big consommation (Windows update for example), he takes all the bandwith available and the others can't wo...

Hi everyone,I have a numerous number of C3850 switches to upgrade and I plan to upgrade 8 simultaniously. This is a new platform for me.I`m using the command "software install file tftp:// ..." , but at the end I got a question "do you want ro reload...

Hi Friendz, Would like to consult a vPC scenario (all Nexus 9K switches).   Current Setup :- We have two pairs of Nexus 9 K switches acting as Spine Switches. a vPC (peer link) is running between switch-A and B and another vPC (peer link) is running ...