Switching

Discuss Catalyst brand switches with peers and experts.
cancel
Showing results for 
Search instead for 
Did you mean: 
cancel

Labels

Forum Posts

I'm not quite sure I understand the difference between "ip arp inspection" and "ip verify source". My understanding is that they both leverage "ip dhcp snooping" and check the L2 switchport IP/MAC address against the snooping database. If no entry fo...

jackawang by Level 5
  • 37637 Views
  • 11 replies
  • 0 Helpful votes

I have tried to configure QoS on our 2960X Switches. All interfaces have following configuration: interface GigabitEthernet1/0/1 switchport trunk native vlan 10 switchport mode trunk mls qos trust dscp mls qos dscp-mutation COMPANY spanning-tree port...

what does "*" mean in below output? how to find switch number of the switch where my console cable is connected to? Switch#sh swSwitch/Stack Mac Address : 00ab.c123.2d00 - Local Mac AddressMac persistency wait time: Indefinite H/W CurrentSwitch# Rol...

gavin han by Level 1
  • 333 Views
  • 2 replies
  • 0 Helpful votes

Hello everybody, does anybody know a reliable answer if you need a SmartNet contract to update IOS on a 2960X platform ? They talk about "Maintanance updates" and "Bugfixes" within the policy but I´m not sure what a maintanance update is about. Is a...

Hi All, i have a 3850 switch up and running in our office. from past week i am not able to do ssh to my switch. below is the configuration attached, it was working pretty much good and i haven't done any changes in the configuration. line con 0 pass...

harsha003 by Level 1
  • 13102 Views
  • 3 replies
  • 0 Helpful votes

Hi, i am trying to configure MAC Filtering for few PCs which should have access to internet and remaining all should be blocked. we have a remote branch connected over dmvpn tunnel and internet traffic going out from remote gateway. i have to block ...

Hi, on a 2960-S I found that SSH was not enabled, or at least not properly configured. I only could login via console and telnet. The one and only thing I changed then in running config was to add "transport input ssh2" to the section "line vty 0 4"....