Switching

Good afternoon all A little help with probably a simple query but here goes. Currently we have a Ip range of 192.168.50.* subnet of 255.255.255.0 which is dishing out DCHP requests from our Server. Ove the years, servers printers and pc's have increa...

I have a Nexus 5596UP and in the log I see this repeated:  %LACP-5-LOG_FSM_UTILS_FU_GENERIC_ERROR: FSM_ASSERT Anyone now what this means?

i have several vlans that i dont know are they for , i checked the switches and there is no ports assigned to them , is there further things i can check before i can safely delete a vlan with affecting my network?

We have 2 Nexus 7010 switches with dual sup-1 cards peering with each other.  sh vdc detail reveals a different vdc_name for each N7k but the same vdc_id for both. Is the requirement the vdc_id must match on both n7k whereas the vdc_name does not nee...

Hello All, I have some questions on use of certain stp features in nexus switches(5596 & 9396). - Is it fine to use spanning tree  guard root on both access & trunk ports? - "spanning-tree port type edge trunk" is used on trunk ports , is that corr...

This is my ongoing tale from: https://supportforums.cisco.com/discussion/13054711/wrong-mode-button-push Yes, this is my first time using a real switch. I managed to get into the switch, and do "something". With TTY (Minicom, Linux) I got it to ask ...

Hello , Please see attached network diagram with details : 1. Cisco 3560 L3 Switch  with  3 different subnet ip on 3 different ports:     216.218.185.65 /27     64.62.153.225/27     75.52.80.129/27 2. First Cisco 2960 L2 switch0 with one VLAN (Vlan ...

Dear All I have one Cisco 2960 Switch which is booting but giving below errors while booting process and not showing any physical or Vlan interfaces, please help and support to solve this issue. Cisco IOS Software, C2960 Software (C2960-LANBASE-M),...

Hi there, Today we had an incident that started with people complaining they couldn't connect to our wifi after coming back from lunch.  Long story short, clients were no longer able to get IP addresses from our DHCP server, and were experiencing thi...

Hi all, I have the following issue, I have one customer with a 4500 catalyst, he has only 1, and the idea is migrating it all to Nexus 9000, my question is, this customer has no hsrp, any no redundancy at all, when I configure the svi on both NK9 i ...

Hello.  We recently bought WS-C4500X-16 SFP+ and I am trying to configure it. This comes with the new IOS-XE which is a bit different then older IOS I guess. Anyway, down below is the config I need to implement:  We have two suites and server room. E...

I have a Cisco Switch C3850. Now I getting an error "Mainboard hardware authentication failed. Abort init".  The switch was working fine. I was run a command "erase nvram" and reload the switch. After rebbot the switch, I notice that switch was in r...

Background: We have roughly 30 switch stacks in our environment including access and distribution layers. There are roughly 700 printers in this environment. Each switch stack has its own subnet for the printers. Problem: What we would like to accom...