Switching

I recently created a new 3750 stack using 1 new switch and 2 switches that were previously members of another stack.  I updated the IOS to the same version and got everything working fine.  When I try to do a write mem, I get the error below:nv_done:...

Im studying for my CCDA and I dont have the real life practical answer for the following scenario:A remote site has 10 nodes. The site has multiple subnets/VLANs.My question are:Q1. Should I include a layer 2 or layer 3 switch behind the edge router?...

I am trying to setup trunk between two 3550s. I configured the trunk one each switch as usual but the port always show interface is down and notconnected (The cable is good).The IOS version is 12.1(22)EA1a.interface FastEthernet0/24 switchport trunk ...

Are the Nexus switches the only ones that support VN Link, "VEB in the switch," etc? I am wondering if the 4900s will be able to support SR-IOV/IV in the near future...or ever, for that matter.Perhaps this is a question best answered by Cisco enginee...

Is it possible to stack switches (3750) using different models?e.gws-c3750-48ts-sws-c3750-24ts-sws-c3750-48ps-s

Dear Folks, I have a question. During deployment, which method is preferred, using layer 2 or layer 3. As per best practices I meant. -Sid

We are trying to determine a way that we could easily view the mac table and only display the ports or macs that have multiple mac address attached to them.  We have a VOIP intiative that we are working on but we need to make sure there are no rogue ...

Hi,We have two stacked cisco catalyst3750s and each switch has a port which connects to our providers switches and all traffic is routed out through these ports.  Would I be correct in thinking that if one of these ports were to go down, as the switc...

Hi,Is anyone aware of any way to configure multiple interfaces to be in the same QoS group?What I am trying to achieve is to have multiple subinterfaces limited and sharing bandwith among each other. In example 5 subinterfaces runing at 4 Meg each gr...

Dear All,We have around 16 switches(2 core (3560 and 14 * 2900 access switches)  in network and all got hang for more then 20 mins.. we tried to connect through console of all switches but failed.. except 4 switches...I checked the log of core switch...

Hi team,I was doing a  fail-over testing for several sites for a customer.(dual CE router  setup)I have two routers 08R & 09R with following HSRP  config.with this configuration 08R is active & 09R is  secondary.. all goodbut when I shutdown the Seri...

Is there a way to set a 6509 running 12.2(33)SXI1 to log spanning tree topology changes? I haven't been able to see this in the logs at all. I see the results of them like HSRP flipping between interfaces but not the actual STP messages. This is with...