Switching

Hi,We experience a strange issue with a non Cisco IP phone and a PC in combination with 802.1X and LLDP.The setting: The IP Phone (Avaya) must authenticate via 802.1X, the PC attached via the IP phone doesn't use 802.1xThe Cisco switch is a Catalyst ...

Hi Guys, First of all, let me tell you that I'm a network guy & by no means  an electrician, that's why I'm stumbled. I have dealt with many Cisco  devices both AC and DC PSUs. AC PSUs are easy, just connect the power  cord to the 220V wall socket & ...

Hi,I have a problem with creation domain VTP between two equipments cisco, a Cisco 6506 and a Cisco 4506The two equipments are relied with a fiber optic and trunking ports is configured in each equipment.I want to create 2 domain VTP.You can see the ...

Does the 6500 line cards (6748-GE) suport egress shaping ?Also does it support rate limit of unknown destination mac ...Can someone let me know the commands for the sameAmbi

Hi,We have a 6506 E switch with ws-x6k-sup2-2ge. Upon booting the device, the device is hanging or getting an  error "EOBC channel failed". The error is same while connecting the ws-x6k-sup2-2ge to any of the solts.I had even tried connecting the ws-...

HiI had a strange problem with 6513 switcheswe have two  6513 switches. I removed access-list100 and modified in 2nd switch no problem for me, but when I did that in first switch, it went down and I connected console cable and I copied from startup-c...

Hello,I'm trying to figure out how switch work with and without QoS. Let say that I would like to enable QoS  on 3750 in a way to speed up VoIP traffic. I enable priority queue, Q1, for VoIP traffic (Cos 5, DSCP  46). As you enable QoS (for egress) y...

I have dark fiber from Site1 to Site2 and from Site2 to Site 3, so Site2 is only a "bridge" site. My problem is that at Site3 I need to have separated T1's. The distance from Site1 to Site2 is around 50 miles, and from Site2 to Site3 is less than 30 ...

Hello,on 3750 there is the possibilities to see packet couters/statistics for Qos ingress queues ? queue 1 or queue 2 ?

Hi everybody,Since last Thursday, one of the Nexus 7000 connected to the land started throwing the error:%MODULE-4-MOD_WARNING: Module 4 (serial: JAF1402ADBA) reported warning due to EOBC heartbeat failure in device 10 (device error 0xc000504f)But I ...

Hi,I configured two catalyst 6509 switches into a VSS cluster. After 5 weeks the secondary chassis reloaded itself with no apparent reason, I have tried to search some information to explain this but I could not find anything.For some reason VSL inte...

What are SPs using more these days, Cisco or Juniper?I know for a while Juniper really made some inroads in the SP space and was beating Cisco. Has Cisco caught up?Thanks