So basically you're saying that, given the fact that native vlan arn't tagged, the list of allowed vlan over a trunk will have no effect over it! But What if we issued the "tag native" command while still denying vlan 1 over the trunk? Cdp, vtp, and stp will not work anymore? Am i right?
Sent from my Nokia phone -----Original Message----- From: Ken Wyan Sent: 10/05/2012 5:47:46 pm To: [email protected] Cc: [email protected] Subject: Re: [OSL | CCIE_RS] Native Vlan Native vlan packets are sent untagged & it's not needed to allow specifically through the trunk. We can change native vlan number (in fact we have 2 different vlan numbers at two end switches) & it works fine. native vlan number isn't sent in packets. (if you configure 2 different native vlans in 2 ends you will get a CDP error message) You need to change native vlan if you want to send vlan 1 with a tag ( eg: you need CoS markings to be preserved) Ken On Thu, May 10, 2012 at 1:55 PM, imad Abdallah <[email protected]>wrote: > > Hi,I'm bit confused regarding native vlan and trunk allowed vlan. Let's > say we have two switches connected via trunk. Both switches have the > default native vlan (vlan 1). On the trunk between them, we issued the > command: swi trun allo vlan 2-100. So the native vlan 1 is not allowed on > the trunk. is it mandatory for the native vlan to be allowed on thee trunk? > Do we need to change the native vlan from (1) to any other vlan that are > allowed through the trunk? Thanks > _______________________________________________ > For more information regarding industry leading CCIE Lab training, please > visit www.ipexpert.com > > Are you a CCNP or CCIE and looking for a job? Check out > www.PlatinumPlacement.com <http://www.platinumplacement.com/> > > http://onlinestudylist.com/mailman/listinfo/ccie_rs > _______________________________________________ For more information regarding industry leading CCIE Lab training, please visit www.ipexpert.com Are you a CCNP or CCIE and looking for a job? Check out www.PlatinumPlacement.com http://onlinestudylist.com/mailman/listinfo/ccie_rs
