Switching

I will try to explain as best as I can. I work in a large manufacturing facility. We have about 40 switches throughout the factory and everything is connected with fiber and goes back into a layer 3 switch in our server room, then to a firewall and r...

we have core switch C1 connected to  N5k switch T1, in T1, two server with ip 192.168.0.12(connecting to E103/1/12) and 192.168.0.14 (connecting to E103/1/14), these two are fex. and using same access vlan. both E103/1/12 and E103/1/14 is up up and ...

Hello When we create trunk port that time we set manually encapsulation protocol. my question is this. when DTP will use? if we set encapsulation manually then also DTP will run? or DTP will disable. By default DTP is on or off? how we can see it. it...

Hello is it good practice to configure Dynamic desirable port?  Security risk can be happen? Please define me thanks

I have multiple IE-2000-16TC-G-E switches that need to be setup to use DLR with some Rockwell CIP motion drives.  This is a switch that was requested by our customer.  I would have preferred to use the Stratix switches so I could get some AB support ...

Dear Friends, I have some old devices on my network and one of then is showing the message below every 1 minutes:   %SYS-6-STACKLOW: Stack for level Timer Interrupt Handler running low, 24/9000 I made a research but could not find any topic related...

Can a 3750E Cisco switch be connected to a 3750 using fiber? and what is required to have this done.

Hey guys. I have no clue what i'm missing here.  I have a device that lives on a cisco 4948e that I configured with the IP Helper (on the VLAN).  It's uplink goes to an IOS-XR device, which goes to another IOS-XR device and finally to the destinatio...

Dear all, I have two Nexus 3548 in a vPC setup, running NX-OS 6.0(2)A7(2) in a small on-premise datacenter environment. Attached to it are downstream switches (Catalyst) with LACP / vPC and ESXi 6.0 hosts without LACP / vPC (vDS in ESXi is configured...

Hi all, in the past we were using the following quite successfully on N5548-pairs with FEXes connected via VPC: Private VLAN trunks on FEX ports We use it to connect a single IP-network to ESX hosts in order to prevent the VMs on top to communicate...

Hi all,   I am facing an issue that i cant seem to solve. We face mac flapping on several ports at once, specifically trunks. It is a distributed network from core switches to several access switches. There are no etherchannels nor are there any dual...