Switching

I am currently studying 802.1D and 802.1w, I have a few questions:1. STP election is in the sequence of electing root bridge, root ports and than designated ports.how does BPDUS are sent when the port at initial state is in blocking state ?2.does thi...

what is the use of learning state in rstp, since rstp does not use timers to forward a port after being in learning state for 15 secs

Does anyone know the link to the SRND site. I am trying to get some network design ideas for a project. Thanks.Mario

I have 2 Access switch (6513) having multtiple VLAN , All are enabled for DHCP , But only sigle VLAN i am not getting DHCP IP , But Same time my reduntant switch same vlan i am able to get DHCP.

Hello Everyone,Currently in our data center, we have a Cisco 6513 as the core ,a single Dell m1000e blade center containing a pair of Cisco 3130G switches, and a pair of Cat 3550 switches for the DMZ (plus a load of other stuff not needing to be ment...

I have four 6504-E switching in 2 VSS setups. Initially both VSS's were configured with only one VSL connection in the supervisor. Both VSS's had issues with the VSL going down at random intervals (sometimes hours, sometimes days), and the active sw...

Hi,AllIn Bgp Mpls vpn solution CE router should support MPLS vpn features or i need only run ebgp with PE router ?Please suggest me on this problem.

Hi Experts,I would like to know what is the max number of powered device that can be supported by the line card model WS-X4248-RJ45v?Thanks & RegardsYi Shyuan

in a 4507 switch, I have 2 units of 4200W working in redundant mode. Each PSU has 2 input of 220V. Call it PSU 1-1, PSU 1-2 for PSU1 and PSU 2-1, PSU 2-2 for PSU 2.When PSU 2-1 input is faulty (power source and cables are fine, confirm is PSU hardwar...

We have a windows XP PC, on a private vlan, gig link, behind a PAT NAT. This machine is copying data to and from a cifs server volume that is off campus. The copy will take about 2 hours, as calculated by the windows progress bar. The copy will st...

I have two, 24 port, Dell managed switches as the backbone for our network and they cascade to each other (server-->24 port-->uplink-->24 port). Half of the workstations are plugged into each switch. All workstations are running at 1,000 mps when plu...

I have a simple question (i think i already know the answer, but a second opinion never hurts):Suppose you have a trunk and on SIDE A the VLAN allowed list is: 1-4094On the other side B the VLAN allowed list is: 1-4If i have a VLAN 300 on SIDE A, it ...

Hi I'm in desprete need to learn how to configure an MDS 9000 switch, if you can provide a doc that I can read, or some simple instructions after you log in, I would appreciate it very much. I don't see any docs that can help me? Please respond to my...

Hi,What are the merits & demerits of using address translation within gre tunnel. We are planning to do this within one customers links from one location to another location, as they have two different links at one of the sites & dont want out of ord...