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The switch is a WS-C3850-12S.  From a fresh startup config, I configured the management port (g0/0) with an ip address of 192.168.1.101, the subnet is 255.255.255.0.  My PC has an address of 192.168.1.100, subnet 255.255.255.0. When I ping the switc...

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
  • 1749 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
  • 507 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
  • 3822 Views
  • 4 replies
  • 0 Helpful votes
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