Switching

For a learning purpose I am creating a VLAN using an old switch: catalyst c2950. I used the suggested commands found on this community below :  Switch(config)#vlan 10 Switch(config-vlan)#name Restricted LAN Switch(config-vlan)#exit Switch(config)#int...

we have collocation DC where customer can connect external switches not under our control, our aim is to protect our network from any changes done on the external switches cloud lead to L2 loop, we want to stop customers from participating in our STP...

Hello allI can not take an IOS backup from 2960 switch when i ran "show flash" no file displayed as bin extensionHow can i take backup from the switch ios?Can i take a backup from ROMON and how i can do that ?Thank you

I'm trying to ping from router "DC_GE" to Router "BE":  The packet tracer file is linked.  Any help would be greatly appreciated, thanks a lot! Best regards   

Hi, we use two SG350XG-24F as a Stack as core switches and 3 SG350XG-48T as access switches.The stack members are connected on fiber ports 23 and 24.  Each access switch is connected via DAC to each stack member. No LAG there.We only created a LAG on...

We are experiencing an odd issue with CDP on our 6509-E and could use a little help.  On a connected switch the 6509 will show up multiple times in the CDP neighbor table, some ports on the 6509 have this issue and some don't.  Supervisors are WS-SUP...

i have a WS-C3650-24PS with ver 3.6.6 and customer wants to upgrade it , i read in the guide that i normally set it to boot from the fuji 16.9.x version then afterward i have to do another upgrade process from bundle to install? is that necessary? do...

I am reviewing the latest Auto QOS settings and trying to wrap my head around ingress priory queue. So COS 5 is used for voice and according to the configuration below should be placed in queue 2 (Priority queue). However, I am not seeing any mapping...

Hi there,        Usually, after I entered login info, It took like 1 sec to login. But after my cowork enable ssh v2 to login switch remotely, my domain network admin account cannot be login anymore. According to debug info, it kept to timeout by rad...

We are experiencing high traffic problems on the trunk interfaces directly connected to our Switches-Core, causing robotics call and slow systems.At first we thought it was broadcast or loop problems but we note that this happen when a DB server runs...

 What happens when the command ''ip host x.x.x.x x.x.x.x is used on a router?  Is the second address used if the first is not accessible?  I have two router, router A and router B.   Router B has two loopback address configured and there is a static ...

Dears, I have a weird device (connected redundantly) to a stack of 2 Catalyst 9300 switches which is flooding me with below: %SW_MATM_MACFLAP_NOTIF: Host 000.e107.9718 in vlan 802 is flapping between port Gi1/0/2 and port Gi2/0/2 Surprisingly, both p...

Hello, I am currently configuring a cisco switch  3560 layer 3 connected to another router to be able to reach a new network.currently my switch is connected to another router  with this interface : interface GigabitEthernet1/2description to PE_Nswit...