RE: [nsp] Routing between VLANs using 802.1q

From: Charley Kline (kline@uiuc.edu)
Date: Mon Jan 24 2000 - 16:26:55 EST

> This is where I have the problem. The switch port is either a trunk, or
> a VLAN member. Example:

Even in trunk mode there is a "native vlan" which is not tagged. Use "show
trunk" to see that:

switch4-1> sh trunk 5/3
Port Mode Encapsulation Status Native vlan
-------- ----------- ------------- ------------ -----------
 5/3 on dot1q trunking 1

Port Vlans allowed on trunk
-------- ------------------------------------------------------------------ 

---
 5/3      1,4,100

Port      Vlans allowed and active in management domain
--------  ------------------------------------------------------------------
---
 5/3      1,4,100

Port      Vlans in spanning tree forwarding state and not pruned
--------  ------------------------------------------------------------------
---
 5/3      1,4,100

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