Thursday, January 27, 2011

CCNP - SWITCH - VLANs notes

- When configuring a Trunk link, be sure to configure the same native VLAN at the each end. If you leave a trunk with default settings, VLAN 1 will be used by default.
  If you see the cmd #switchport trunk natvie vlan [id] on one end and not on the other you will get a mismatch error
- On an ISL enabled trunk if it received an unencapsulated frame it will be dropped.

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