Switching

Hi All,We have a 3750 stack of two. it is with a pretty old version WS-C3750X-48 12.2(55)SE1. planning to upgrade o But the flash space is not enough. 1)I am wondering whether i could delete 'c3750-ipbasek9-tar.122-55.SE1.tar' or not?  see detail bel...

Hi Guys,I'm working on my switch called LW-MNSV-SW2I have configured my port 1/0/1 to be my management port for SSH remote access.This is on VLAN 1 as VLAN 1 is my management VLAN.This is then patched into my Uplink Switch which is managed by a 3rd p...

We are getting multiple serial numbers for ci in servicenow when integrated cisco dna with serviceNow using Cisco dnac application in servicenow. Could you suggest what should we do to overcome this problem. In cisco dna all multiple serial numbers a...

Note: I am not too proficient in English, for some confusing things you can just ask me directly, I am very ready to answer it. Hi my name is nata, I have a school assignment which is to create a network topology with the provisions of having vlan, t...

hi all,i want to make all access ports or ports on a certain vlan all port fast, i know the normal way of doing it per port(s)confint range 1/0/1-24 or just 1/0/25,1/0/27spanning-tree portfastbut can i do this for a vlan instead of ports, shall i do ...

While porting over a config from a WS-C2960XR-24TS-I:      Cisco IOS Software, C2960X Software (C2960X-UNIVERSALK9-M), Version 15.2(2)E7, RELEASE SOFTWARE (fc3)To a C9200-24T:      Cisco IOS Software [Cupertino], Catalyst L3 Switch Software (CAT9K_LI...

Has anyone configured a C9200CX to call home to the on prem SSM?  The command structure in IOS XE 17 doesn't seem to follow the published documentation. My switch can ping the on prem SSM, so connectivity itself isn't the issue. 

Hi, Who have a link or document with the Material Safety Data Sheet to Switch 4500X that share with me?  Thank in advance. Matías 

We use smartport macros triggered by a matched policy in Cisco ISE. Is it possible to detect a physical cable disconnect rather than a down/down event on the port? Default port config (Unauth vlan):interface GigabitEthernet1/0/2 device-tracking attac...

Hello. I have two 2960X switches in stack mode. I want to create an aggregation of two ports to two non-managable (external) switches and not Cisco. By default, by connecting both ports at the same time, the spanning-tree of the remote switches block...

Hi all Connection PoE Switch --> IP Phone --> PC is very popular, it works for almost of cases, just need PoE switch that supports voice vlan.  I did it a lot of times.  However, for CBS220, I cannot make it work.  Anyone please help?    Below is wha...

Hi I try to confire the vlan management on cisco packet tracer but i can't do it... and i don't know why... here is a very simple architecture  I must surely be doing something wrong or forgetting something since whether it's the router or the PC I c...

Can anyone help me with this issue. I have all interfaces on a 24 port switch programed the same, but I get these random single ports that can't access anything on the network. You can see in this example port 5 is configured the same as the ones aro...