Hello, I can't get a grip on the IOS versioning numbering.Taking 12.2(44)SE3 as an example, (44) sould be maintainance number and the 3 of SE3 sould be the rebuild number. What is the difference beween these?An higher maintainance number of a softwar...

Dear all,In my struggle to understand some QoS i did some study on a existing Qos configuration with AutoQos on a C4015R.A Nortel voip phone is attached to the switch and a pc is attached to the phone.The switch interface where the phone is connected...

Hi,I'm trying to filter a mac address on a vlan using VACL/VLAN access map but i can't get it working om my 4510R. None of the traffic from the host seems to be filtered.I want to filter mac 001c.7ec8.e7b2 on vlan 11. Here's the configuration:mac acc...

Hi all,I'm studying on the 642-813 exam and i can't get a clear anwser on the floowing question about VTP pruning(see picture attached)The certification guide states that broadcasts and unicast floodings on a vlan are blocked on trunks to switches wh...

Hi all,We have a C4500 with 2 sup V which is showing high CPU values sometimes.When this occures, the switch shows 95-100% for total cpu for a few hours at a time.show proccesses cpu shows process Cat4k Mgmt LoPri with an unusual cpu value of 65%The ...