Switching

We have had dhcp snooping turned on and working on our Catalyst 3750 switches for some time now. I just recently added logging of the option-82 info on our ISC DHCP server. As I was checking the data that ISC DHCP was logging I found some ports were ...

Hi folks,I have three OSPF areas connected via OSPF "0" backbone and there is MPLS VPN created.Iside each area is L3 switch c3550 which acts as gateway for VLAN in VRF (CE). The switch is for the purpose of VPN connected to MPLS backbone (PE) through...

Hi,Can anybody explain what is the difference between Bandwidth and Thro.put??? with some examples. Looks Cofusing!Rgs

We have hired three vlans that terminates on our headquater, on each side of the hired vlan I have cisco a 2960 switch. The uplink port is a 802.1Q trunk port on every switch. When i launch CNA i see all my switches and a nice color that conntects th...

Hi,I am running MST in my ring network where two switches showing as root for the same instances...... What could be the reason for two switches being a root???But it is working fine without any probs???Rgs

Hi all, I know eigrp is a hybrid , what do they class it as on ccna, link state ? and does it get updates via unicast from all the other routers like ospf etc, or does it only learn from its directly attatched neighbours ?

I manage a pure ADSL WAN in Australia (g'day). Every now and again, a router will go down. The 'sync' light is still on, but their is no connectivity at all. By mistake, I accidentally rang the phone number that the adsl service lives on. Low and...

Is WS-X6516-GE-TX module supported on supervisor engines WS-X6K-SUP1A-2GE? We inserted the module on the chasis, but the module never came on, while the switch acted strangely, stopped forwarding the frames, and nothing we could see on logs.Thanks,Da...

If i leave vtp domain null are those devices still in same vtp domain because if i look E.g. from Ciscoworks i can see those devices belong vtp domain null. Is there any problems to leave vtp domain null.ThanksJuha

Hi,can anyone help me out, i have three pcs in different rooms, and i have a Cisco work group router, and one of the rooms got an internet connection from a cable modem, and i need to conect the other two rooms so they could access the internet, how ...

Hi,We have one central location. Here I am putting 2960 series switch. We have two more buldings one is 600mtr, second is 700mtr away from central location. I wants to connect both the location by multimode fiber LX. I required external transceiver t...