Switching

Hi, I just got an old WS-C2960X-48LPS-L which has the four SFP ports. Every spec sheet says they're only 1gb SFP ports but for some reason when I run sh version it lists "2 Ten Gigabit Ethernet Interfaces." I was surprised to see that and thought it ...

Is it good to have DHCP snooping configured on core switches or not. Just implementati DHCP snooping on  access layer switches is fine?

Hi, Just would like to know what tool I can use to decrypt the username which use for the console vty login as the previous admin left without the password.Thanks.

Hi DearsI Active Feature Inter-VLAN and Set ip address For expmple VLAN 200 And For ward Traffic On this VLAN But by snmpand Software For Example PRTG Donnot Get Graph From this VLANin sub interface in switch 9K have this problem only get graph Physi...

Hello.I have a question about one problem that I have in the production environment, The Switch has the below configuration:spanning-tree mode mstspanning-tree mst 0-1 priority 12288spanning-tree mst configurationname Instancia1qinstance 1 vlan 1-5,7...

I am not sure if my VOIP vendor steered me in the right direction. I am not using Cisco phones, but a workstation is connected downstream of the phone; however, the vendor told us to use the following settings on interfaces   !global mls qos map cos-...

Hello there, I am trying to uplink two switches to extend a network.  I have put in a cisco 3850 Switch and when I plug in a SG350TP switch the port lights up for a couple of seconds then the port becomes unavailable.  I can't even plug a laptop into...

Just upgraded several of our C9200L-48T-4Xs to 17.9.4 after finding a bug in the 17.9.3 code. While the upgrade was successful, a couple are showing significantly different free space after the upgrade(less than 1gb). gar-2-118-3r15-sw#dirDirectory o...

Hello, I'm working with interface templates to better organize configurations and simplify updates.  I've noticed some port level commands won't be accepted by the template config mode.  Any idea why? For example: switchport protected c3850#conf tEnt...

Hello all,i'm new with containers and i've installed a container on a C9300L to monitor my connectivity.My question is: Is it possibile to copy one file from a container folder to the usbflash installed in the switch?I would like to create a copy of ...