Switching

I have a problem with Cisco Prime Infrastructure and my Nexus gear (1000v, 5Ks and 7Ks).  The problem is that Prime doesn't properly close down the ssh sessions and eventually it consumes all available sessions and then we're no longer able to SSH to...

Hello Community, we are moving our 3850 Stacks from 3.7.5 to 16.6.4 and are facing 'diffuse' problems like "not enough flash space" although only 3.7.5 in flash (see below), update successful after second try or even stacks auto-copying old SW over t...

Hi ,   I've read your post on "Unable to change boot file on Cisco 3850 "   Have action your instruction and works well untill the switch reloads   I've attached the full upgrade in a txt file   Assistance would be greatly appreciated   Regards,Theod...

Hi Experts,   I dont see no service password-recovery command on ios 12.1 am I missing something? do we have a workaround?    Thanks,Jv

Hi,   Probably an easy question, but just wanted to find out if there is a way to lock down a Cellular interface to a GSM band to stop it constantly choosing bands which may have a stronger signal but a much slower speed. Using a Cisco 897 with dual ...

Trying to find out in what circumstances, why, would 2 trunk ports 'negotiate' the trunking protocol (ISL or dot1q)? From what I have read, if ISL and 802.1q are both supported, ISL is preferred  - so why negotiate? If only 802.1q is supported then t...

First off i want to say not a networking guy so sorry ahead of time.  Here is the situation i am facing.   Switch a  has a fiber line and an Ethernet line running to switch B.  We want to have both lines up and running in the case of the fiber line g...

Hi Community,   I have a situation where I need two hosts connected to a 2960G switch to send wire-speed broadcast traffic (all F's), between the two hosts.  The two hosts are the only devices on this isolated VLAN and there is no layer 3 interface f...

Hey all   I am having a problem with a 3850-24XS. All traffic stops for 3 pings then returns to normal. Running a constant ping from multiple endpoints on trunk connected switches to multiple ports reveals 3 ping timeouts every 5 - 45 minutes resulti...

Hi All   I have SFP LR type in core(X2-10G-LR) side and access switch side (SFP-10G-LR) but the fiber cable is MM om3.. can work with this case?   Thanks

  Hello,I set up a lab with a switch and a isp routeur connected to it. I can't ping internet from the switch but i can ping the router internal interface (192.168.1.1). set up: SW2960X   -------> ISP routeur ( no access to it, no modification can be...

Hi   Does the 250 Series switches support IP Source Guard feature? I'm looking at the SG250-10P specifically, but I don't see clearly anywhere if the switch has the required feature?