From: shiran guez (shiranp3@gmail.com)
Date: Wed Dec 12 2007 - 04:40:15 ART
trunk links are not a part of the private vlan they are only moving the vlan
information inside you cant associate a trunk also to a specific vlan also
it dosnt make sence.
your switch allow you to put the lines but a trunk link is not part of the
trunk,
I think you should read
PVLAN -
http://www.cisco.com/univercd/cc/td/doc/product/lan/cat3560/12240se/scg/swpvlan.htm
TRUNK -
http://www.cisco.com/univercd/cc/td/doc/product/lan/cat3560/12240se/scg/swvlan.htm#wp1096213
On Dec 12, 2007 8:07 AM, Nambi Appachigounder <nambi_gct@yahoo.co.in> wrote:
> Thank you all for the responses.
>
> Nate,
>
> My switch allows this configuration.Here gi1/48 is a
> trunk.In which scenario I need to add private VLAN
> configs on the trunk?
>
> 6k#show runn int gi1/48
> Building configuration...
>
> Current configuration : 112 bytes
> !
> interface GigabitEthernet1/48
> switchport
> switchport private-vlan mapping 20 200
> switchport mode trunk
> end
>
> 6k#
>
> 6k#show runn int gi1/48
> Building configuration...
>
> Current configuration : 161 bytes
> !
> interface GigabitEthernet1/48
> switchport
> switchport private-vlan host-association 20 200
> switchport mode trunk
> end
>
> 6k#
>
> Thanks
> Nambi
>
> --- Cielieska Nathan <ncielieska@gmail.com> wrote:
>
> > Nambi,
> >
> > 1) No. Your trunks will care your vlan information
> > unless explicit
> > disallowed.
> >
> > 2) I have seen 2 configurations on an interface
> > basis.
> >
> > for putting an interface into an isolated or
> > community vlan
> > switchport mode private-vlan host
> > switchport private-vlan host association <primary
> > vlan><sub-vlan>
> >
> > for putting an interface into a prom mode
> > switchport mode private-vlan prom
> > switchport private-vlan mapping <primary vlan> add
> > <subvlan>
> >
> > Regards,
> > Nate
> > On Dec 12, 2007, at 12:31 AM, Nambi Appachigounder
> > wrote:
> >
> > > Hi Friends,
> > >
> > > I have a question on PVLAN configuration.
> > >
> > > My topology is as follows.
> > >
> > >
> > > Sw1<---------->Sw2<-------->R1
> > > | |
> > > | |
> > > H1 H2
> > >
> > > Sw1 and Sw2 are connected via a trunk link.H1 and
> > H2
> > > are in isolated ports.Port that connects to R1
> > should
> > > be promiscuous.
> > >
> > > My question is,
> > > 1) Do we need any PVLAN configurations for the
> > trunk
> > > link?
> > >
> > > 2) In the trunk port I could see options for PVLAN
> > > configuration.When should I use them.
> > >
> > > Can someone please help me understand this.
> > >
> > > Thanks,
> > > Nambi
> > >
> > >
> > > 5, 50, 500, 5000 - Store N number of mails
> > in your inbox. Go
> > > to
> >
> http://help.yahoo.com/l/in/yahoo/mail/yahoomail/tools/tools-08.html
> > >
> > >
> >
> ______________________________________________________________________
> >
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> >
> >
>
>
>
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>
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-- Shiran Guez MCSE CCNP NCE1 http://cciep3.blogspot.com http://www.linkedin.com/in/cciep3
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