From: Carlos G Mendioroz (tron@huapi.ba.ar)
Date: Fri Apr 04 2008 - 14:06:42 ART
Dwayne,
inline:
Athaide, Dwayne @ 03/04/2008 10:57 -0300 dixit:
> I had asked a similar question pertaining to a scenario but did not get
> a response so I am going to generalize the question .
>
>
>
> I have 4 switches SW1 (S)-SW2(S)-SW3(T)-SW4(S). All switches are
> trunked and belong in the same VTP domain.
>
>
>
> SW1, SW2, SW4 are Server
>
> SW3 is a Transparent switch.
>
>
>
> SW1(S)---Trunk-----SW2(S)----Trunk ------SW3(T)-------Trunk----SW4(S)
>
>
>
>
>
> Now say to start off all switches have VLAN's 1 thru 10. The switches
> are running VTP version 1. And VTP pruning is enabled.
>
>
>
> 1. Now say I build a new VLAN on SW1. Will that VLAN be
> propagated to Switch SW4.?
>
>
>
> My Answer :When I lab this up it did get propagated and this confused me
> as I was under the impression that Version 1 VTP on a transparent switch
> will not propagate the VLAN only VTP version 2 would.
AFAIK, main difference between v1 & v2 is token ring support.
Transparent should enable VTP to pass through, as it does according to
your lab.
>
> 2. Say I have a Router A connected to Access port VLAN 10 on SW3
> and a routed port on SW2 . Should Router A be able to ping Router B &
> vice versa thru the transparent switch?
>
>
>
> RA-(VLAN10)------SW3----------Trunk----------------SW4(Vlan10)----------
> ----Routed port(SW2)
>
>
>
> I can although when I do a show int trunk on SW4 I show VLAN 10 to be
> pruned.
Typo here ? You say "router port on SW2" and draw SW4.
If it is in SW2, prunned at SW4 will have no effect.
Also, prunning stops broadcast only, so if you ping from the prunned
side, you will lift the bann, so to say .
-Carlos
>
>
>
>
> Thanks
>
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-- Carlos G Mendioroz <tron@huapi.ba.ar> LW7 EQI Argentina
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