Switching

Hi We have a 3850 chassis which show the below error message in the log. unfortunatelly i can't find any informations related to that error code neighter on cisco.com nor on google.#sh ver Cisco IOS Software, IOS-XE Software, Catalyst L3 Switch Softw...

Hi,what kind of duplex settings do I have to make in order to have no duplex missmatch between sw-100001# fa0/18 and a nother switch with sw-100004# gigabitEthernet 1/0/1. When I do auto/auto I have perfomance probelms that look like duplex missmatch...

Hello Guys, I currently have a network with two nexus 7000 act as layer 3 switches and two access switches layer 2. There are 2 laptops, each connects to each access switch as the map (attachment). I configured vPC on the Nexus and port channels on t...

I am trying to push an IOS across my network from my laptop to a remote switch, but for some reason it keeps failing. It starts, but fails to download the file completely. [1] % Failed to download file from tftp://10.1.xxx.xxx/cat3k_caa-universalk9.S...

Most of our remote locations are L2, but I need to enable L3 on them and put them all on different subnets. We have several remote locations and I was wondering can I use the same VLAN numbers at each location if they are on different subnets? For ex...

Hi to all, I setup my Cisco C887, a router/adsl device but i'm not able to go out from LAN to WAN... doesn't seems to be routed.From LAN, i can ping my router on 192.168.1.1, but i'm not able to go to internet... Nothing is routed.I paste my configur...

I have a Cisco 3048 (N3K-C3048TP-1GE) that only shows the BIOS screen through the console port.  Is there anything like Arista's FullRecover that boots the switch off the USB stick and restores the switch back to defaults? This is all I see at a cons...

Hi, I am currently working with OSPFv3 and address families. How can I configure virutal links?  Thanks in advance.

Hi Experts.My customer is using EIGRP and they also use VRF in address-family in IOS-XE (4500-X) like below.router eigrp 65200address-family ipv4 vrf VRF1 autonomous-system 1address-family ipv4 vrf VRF2 autonomous-system 1Question is, Could it be pos...

Folks,I have a customer with very odd reqs that I need helpwith.  Long story short, they have several control devices in a powersubstation in one VLAN.  In the event of failure, a controller in onesubstation needs to control devices in another subst...

hello,we have received 4 new SUP2 modules that will replace our 4 current SUP1 modules on 2 N7010 very soon;From the shipped items list, we can see the reference of the NX-OS shipped with these modules which is N7KS2K9-62 (Cisco NX-OS Release 6.2 for...

Hello there, I have a 5x 3750X stack already in production. Due to lack of length of some cables, the most important connections were connected from the bottom up. Now i have to take a switch out of the stack and the only switch i can take out is the...