Hi, ok my first IOS 'install' and I messed up and really need help. I have a new 3650 switch with 16.03.08 and attempted (poorly) to downgrade to 03.06.06E to match all our other switches. I followed the guidelines below (realise I should have used t...
Hello, I was creating a small network in packet tracer to learn about Port channels. I've run into a problem where my PC's cannot ping my router because of spanning tree protocol. My Arp's or IMCP packets ever make it to the router because of spannin...
So I'm attempting to configure a loopback address on my Cisco cat-3850 Switch to be pingable on a host PC. The devices are already connected via an Ethernet cord and despite the fact that, if the Switch goes through to the Router, it can reach the in...
I am doing an activity where I need to assign the IPv6 addresses to the router interfaces and then auto config the PC IPv6 address. My understanding is that it would be a eui-64 address generated in this field, but it keeps generating a duplicate add...
Hello,i intend to buy a C9500-48Y-4C switch.I have 2 questions :1/ the switch ship withs how many fans? Is there any empty slots to add some others modules?2/ Can you give me a Cisco reference for a direct attach cable to connect my servers (DELL Pow...
Does the IE3010 model switch support profinet? If so, how do you enable it on the switch?
Good day all, Having an issue with port-channel My predecessor set up a few single port channel groups (don't ask me why?). They are auto on both sides and are currently working just fine I have a 2 port channel-group I'm trying to set up and one...
Hi, I have a Cisco 9200L-24T-4X-E switch which is using smart licensing. I've set up the switch and licensed it using our internet connection and all is good. The way I understand it is that the device will automatically communicate with Cisco to re-...
If you establish EIGRP neighbor relationships via SVI interfaces across an L2 link, does the metric calculation look at the physical link the same way? We'll have three devices connected to each other that will require some VLANs to exist on all thre...
Hi, folks, I encountered a problem involved with trunking between Cisco 2960 and SG-200-50, I am new to Cisco technology, and who can help out ??? Thank you in advance. Here is the detail below: Cisco 2960 side ： Switchport trunk allowed vlan 1,10...
Hello, I'm planning an upgrade and need to know if it can be done without downtime. We have 2 4500's in a VSS running 03.07.01.E and wanting to go to 3.11.1. Can someone tell me the procedure and if I need to follow a certain path. thanks
We have used a Switch Cisco 4507 with 2 Supervisor card. We found a log that sup failover on below. could someone advise what has caused the failover to happen? Jun 7 16:46:52.887 UTC: %C4K_REDUNDANCY-4-KEEPALIVE_WARNING: STANDBY:Keepalive messages ...
Hello! I'm trying to setup 2 simple VLANS with this 3750 switch to try to gain some more knowledge of VLANS. I'm not really a Cisco or Networking Expert, so I'm sorry if explanation or configuration isn't correct... So I have a PfSense running as Rou...
I purchased a 3750x 48port POE switch with the hopes of setting it up to run multiple security POE cameras, a home media server, and a home assistant server. I also recently got gifted a 2811 router that I wanted to integrate. I have not been real...
normally a switch has line vty 0 4 and line vty 5 15. Is there a way to collapse that and just have line vty 0 15? I have tried with no luck, but not sure if there is something special that needs to be done
