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Hi,
I would presume only allowing the common vlans that are used on both switches, so that is 100 and 28.
on both switches: switchport trunk allowed vlan 28,100
gr Plukkie
On 8/28/06, David Redfern (AU) wrote: > > Guys, > > Struggling to find the correct way to emulate vtp pruning using > switchport trunk allowed vlan command.. > > Question is from InternetExpert Lab 28 > Also says to only send the minumum amount of traffic necessary across > these trunk links > > > > Eg, > > Sw1 has hosts in vlan 100,28,46,5 > Also has interface vlan 7 (but no interfaces in the vlan) > > Sw2 has hosts in vlans 34,100 > Also has interface vlan 8 and 28 (but no interfaces in the vlan) > > > What do you guys think is the correct solution. > > Solution 1.(only allows vlan traffic to other side that both switches > have hosts in. eg 100) > SW1. > switchport trunk allowed vlan 100 > > SW2 > switchport trunk allowed vlan 100 > > > > Solution 2. (allows vlan traffic to other side that the OTHER side has > hosts in as well as interface vlans ((28) where this traffic must > traverse the trunk) > SW1 > switchport trunk allowed vlan 34,100,28 > > SW2 > switchport trunk allowed vlan 100,28,46,5 > > > Solution 3. (allows vlan traffic to other side that the OTHER side has > hosts in as well as all interface vlans on the other side) > SW1 > switchport trunk allowed vlan 34,100,28,8 > > SW2 > switchport trunk allowed vlan 100,28,46,5,7 > > > > > Solution 4, (Their solution. Confused about the logic) > > SW1. > switchport trunk allowed vlan 7.28,100 > SW2 > switchport trunk allowed vlan 8.28.100 > > > Or others > > Any ideas about the best way? > > > > ***************************************************************************** > * > - NOTICE FROM DIMENSION DATA AUSTRALIA > This message is confidential, and may contain proprietary or legally > privileged information. If you have received this email in error, please > notify the sender and delete it immediately. > > Internet communications are not secure. You should scan this message and > any > attachments for viruses. Under no circumstances do we accept liability > for > any loss or damage which may result from your receipt of this message or > any > attachments. > > ***************************************************************************** > * > > _______________________________________________________________________ > Subscription information may be found at: > http://www.groupstudy.com/list/CCIELab.html