So CDP, STP, VTP, etc., do not cross a trunk if you do not allow the native VLAN?
I'll have to lab that up, I'm pretty sure that's not the case. On Thu, May 10, 2012 at 12:17 PM, Rob Hoover <[email protected]> wrote: > If the trunk is configured for allow, you do have to include the native > vlan in that statement. > On May 10, 2012 8:29 AM, "Bob McCouch" <[email protected]> wrote: > >> I believe the exception there is L2 control packets (VTP, CDP, STP, DTP, >> etc) that will all be sent untagged over the link whether the native VLAN >> is actually allowed on the trunk or not. >> >> Marko, do I have that right? >> >> >> >> On Thu, May 10, 2012 at 8:33 AM, Rob Hoover <[email protected]> wrote: >> >>> You have to list the native VLAN in the allowed statement or the packet >>> will be dropped. >>> On May 10, 2012 3:31 AM, "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://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 >>> >> >> _______________________________________________ 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
