Switching

So I have just started this company and do not have huge experience with Cisco. I found while trying to set up Lync what looks like a loop in the network. I am getting these errors:"Flapping between port Po2 and port Po3""Flapping between port Po2 an...

I am about to help someone setup the QoS on a cisco catalyst 2960 switch so that VoIP is given preference.  I am told that there is not web-based gui to work with on this device and that it all must be done through the serial port using iOS commands....

Hello, i have two switches( A&B), both are directly connected to each other and both have SVI interface.Switch A - interface vlan 10 - ip add - 192.168.10.1/24Switch B - interface vlan 20 - ip add - 192.168.20.1/24I want to ping from switch A to B an...

Hi ,  Here is a brief overview of my infrastructure and want to get your opinion on it and then have some questions as below . I have 2 backbone L3 switches which all of the other L2 access switches do connect to ( around 8) . Some of the access swit...

Hi All, While I find IOS XR to be very powerful and flexible, especially with the RPL, I have found a few things that appear to be missing, which are completely possible under the classic IOS... For example, performing OSPF route filtering based on t...

I would like to know the sup8e on catalyst 4500 series support wccp for ipv6 or not, if don't suuport what the catalyst series support?

brand new 2911 router with blank screen when trying to console in for the first time. Please provide specific details as I am new to routers as well. If there's a better cable to use please recommend. Thank you for all your help

Per the title, does anyone know if this is supported?  Two 3850s in one stack, two 2960x's in another stack, and etherchannel between the two stacks?  Sounds like it should be good, but I cannot really find too much documentation on this being suppor...

Hi Guys,I am confused to know the difference between VSS and stacking. I seem both to be similar expect in terms of the hardware and software requirement.I mean they both operate similar. Could anyone explain the difference between these two ? Regard...

We have a site-to-site VPN setup between two locations and I can access the servers, access points and any other devices between sites, but I cannot access the switches that connect them. Both switches are SG200-50s. Any idea what could be causing th...

Hi Team, Can someone validate if Cisco has switches that support 4Gb speed in a Copper Ethernet port? As far as I know, Cisco only support the following speeds in the new Multigigabit Switches: Table 1. Cisco Catalyst Multigigabit Ethernet - Speed...

I have a vlan trunked from a router to a layer 2 switch. What I would like to do is track the physical interface on the switch with the vlan interface on the router. For example when the vlan on the router is admin down I would like to have the inter...