From: Craig King (craig.king@comcast.net)
Date: Mon Feb 10 2003 - 12:32:34 GMT-3
Allowed VLANs defines what VLANs are permitted to be used on a particular
trunk link (think security). Pruning is only used when a particular trunk
link is permitted a VLAN, but the downstream switch(es) currently has no
active ports in that VLAN, and therefore does not need that data (think
efficiency). Only when a downstream port becomes active on that VLAN does
the trunk link need to carry data for that VLAN. Prune-eligible are those
VLANs that can be suppressed on the trunk link if no downstream ports are
active.
----- Original Message -----
From: "Peng Zheng" <zpnist@yahoo.com>
To: <ccielab@groupstudy.com>
Sent: Monday, February 10, 2003 1:23 AM
Subject: What's the difference between "Defining the Allowed VLANs on a
Trunk" and "Changing the Pruning-Eligible List"?
> Hi,
>
> I think they do the same thing, is it right?
>
>
> Thanks for help.
>
> Wishes,
> Peng Zheng
>
>
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