Switching

I need to change the ID for a vlan and would like to minimize the outage for migrating the hosts. Our environment are Nexus cores using a VPCs to 5ks.  The SVI for the vlan resides on the Nexus cores and only L2 on the Nexus 5ks.  For example I have ...

I have a 3560-x connected to a 6509.  On the 6509 i have vlan 30 with ip 10.10.10.1/24.  The interface between the 6509 and the 3560 is access assigned vlan 30.  The 3560-x is using fa0 in routed mode and IP = 10.10.10.2/24.  I can't ping across this...

Hello All,I have a Cisco 3560 V2 Switch connected to Cisco 2811 router, all the bandwidth capping, IP assignments has been done on router and the corresponding vlans created on switch.I have configured 2 ports for a customer (vlan 301 and vlan 302 wi...

Hi, I deployed VTPv3 today on a couple of switches. Small site for testing :)I discovered that I could enable VTP pruning without being the primary server. And this change did not spread VTP domain wide. I had to enable VTP pruning on all switches in...

Weird problem - I have an ASR and a 2851 with HSRP on subinterfaces. I recently deleted a subinterface on both routers but I can still ping what was the HSPR virtual address from the 2851 but not from the ASR.I tried re-adding the subinterface with a...

Hello i am learning about differents operation modes of Cisco Switch and i have a question about the Cut-Through Switching Mode:Cut-Through mode tell the switch to forward a frame after opening only the first 14 bits. how this method can support Vlan...

 Hi I have cisco 2912xl L3 switch but unable to configure ip routing.Please help to solve the issue.

Hi We got C2960 switch. May I know how to use kron autobackup by using TFTP with timestamp? Hugo

Hello,I have a cisco 1941 router on which i want to enable http access. I am quite new to networking and i have little or no idea on how to achieve this via the command line interface. I'm aware i would need a console cable and a telnet client such a...

Hi all,I've been getting.Feb 23 10:59:50: %C4K_EBM-4-HOSTFLAPPING: Host 7C:E9:D3:9A:DC:99 in vlan 1 is flapping between port Gi3/2 and port Fa4/14.Feb 23 11:00:01: %C4K_EBM-4-HOSTFLAPPING: Host B8:EE:65:71:55:12 in vlan 1 is flapping between port Fa4...

I have one 3750x and four 2960s. I want to set up etherchannels with two fiber pairs for each 2960 to two interfaces on the 3750. Does the port channel number on the 2960 have to match the port channel number on the 3750 for the two interfaces the fi...