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Hi, I am trying to configure LAG between SG-250-08 and C3560CG-8PC with the following topography: +----+ +----+ |SRV1| |SRV2| +--+-+ +-+--+ GbE | | GbE | | +--+-------+--+ | C3560CG-8PC | +-----+-+-----+ | | 2xGbE LA...

I have a simple question.  I have a 3850 switch where the mgmt vlan/IP has always been assigned to the mgmt0/0 interface on the back of the switch.  However our L2 wan topology has changed where I need to move the mgmt IP off the mgt port over to an ...

DAVID by Level 3
  • 1619 Views
  • 6 replies
  • 0 Helpful votes

Hello,In a client campus network there are two switches connected via a trunk link with a different native vlan:(SW1 with native vlan 7 and SW2 with native vlan 1),By looking at the logs, there isn't any native vlan mismatch log, in the interfaces I ...

Currently our network has a Native VLAN of X set on the trunk links. We have a management VLAN of Y for all our management traffic. I have read 2 separate recommendations regarding how to handle these VLAN's. The first recommends using the Native VLA...

rtmiles24 by Level 1
  • 62794 Views
  • 18 replies
  • 5 Helpful votes

Hey there,I've got a small problem and hope to get some advice.We are using a self programmed Switcher Tool which disables Cert-Auth and forces the Laptops to Auth via MAC Address to get into another VLAN than default. This is working just fine when ...

NBs by Level 1
  • 1153 Views
  • 3 replies
  • 5 Helpful votes

I have a stackwise pair of  C9500-48Y4C switches. They are correctly registered to CSSM.The sofware is 16.12.4, network-advantage license appear to by active, but for unknown reason I cannot configure MKA policy in global config mode. SWITCH(config)#...

Hello Senior's, I am using using 2 nexus devices as a core which are configured in VPC and further connect downward with 2960 switches and almost 100 Vlan are configured, I am facing frequently TCN for all the Vlans, What might be the possible reason...

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