Switching

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

Labels

Forum Posts

Hello, We are trying to configure selective QinQ according to Nexus 9300 configuration guide in a nexus 93180yc-ex, however the following command is not supported: switch(config-if)# switchport vlan mapping <inner_tag> dot1q-tunnel <outer_tag> Why i...

Hi I have a VSS where switch 01 failed. When I bought it back up (with all config intact) I converted it with 'switch convert mode virtual' and everything was OK but when I tried the 'switch accept mode virtual' on 01 I got the following error:- St...

I have two switches, switch01 and switch 02 is both connected through f0/1, switch01 is 2960 switch, switch 02 is 3850 switch switch01# int f0/1, sw mo tr , int f0/2 sw ac vl 10, int vlan 10,  ip add 12.12.12.1 255.255.255.0 switch02#int lo0 ip 2.2....

Hi Gurus,  This should be easy for somebody I hope. I have implemented ARP inspection and am getting some printers that seem to be sending ARP replies to themselves.  It doesn't stop them from working but does create annoying log messages.  Any idea ...

lpassmore by Level 1
  • 1965 Views
  • 5 replies
  • 0 Helpful votes

Доброго времени суток. На портах Catalyst 2960CPD-8PT-L Switch при проверке периодически сталкиваемся с ошибками OutDiscards : C2960C-761-30328#Sh interfaces counters errorsPort Align-Err FCS-Err Xmit-Err Rcv-Err UnderSize OutDiscardsFa0/1 0 0 0 0 0 ...

o.vlasova by Level 1
  • 571 Views
  • 0 replies
  • 0 Helpful votes

Is there a way that you can configure a 4500X VSS stack to automatically failback to the primary switch after a secondary switch failure or upgrade.  I upgraded the IOS on a 4500X VSS stack and reloaded the secondary switch first and then the primary...

NPT_2 by Level 2
  • 4041 Views
  • 4 replies
  • 0 Helpful votes

I am currently working to design a hybrid IWAN network between three sites.  We currently have at each site 2 edge routers for MPLS (peering to a primary ISP and backup ISP) and two edge routers for INET (peering to a primary ISP and backup ISP).  We...

hi all, As we know, once we implement this command under this eigrp interface,it will suppress  more specific IP block been advertised out to eigrp neighbor.  for example:                               Eigrp 100 R1-interface gi 1/0--------------- int...

eric.guo by Level 1
  • 3446 Views
  • 20 replies
  • 0 Helpful votes