The only caveat I know of is with l2pt where receiving a l2tp frame will cause an l2pt enabled port to go err-disable. Doesn't look like that will happen with either of your scenarios so I think you're good.
Sent from my iPhone On Feb 19, 2011, at 7:56 PM, "Jason Maynard" <[email protected]> wrote: > I am just looking for confirmation > > > > Do you require an isolated trunk link when using dot1q-tunnel or do you just > need to ensure the VLAN is allowed on the respective trunk? > > > > For example > > |R1| 0/1 ----- 0/1 |CAT1| 0/21 0/22 ============ 0/21 0/22 |CAT2| 0/2 ---- > 0/0 |R2| > > You want R1 and R2 to see each other as CDP neighbors. > > CAT1 > ____ > > interface 0/1 > switchport access vlan 999 > switchport mode dot1q-tunnel > l2protocol-tunnel cdp > no cdp enable > > vlan 10,20,30,40,999 > > CAT2 > ____ > > interface 0/2 > switchport access vlan 999 > switchport mode dot1q-tunnel > l2protocol-tunnel cdp > no cdp enable > > vlan 10,20,30,40,999 > > > > For the trunks 21 and 22 (not running etherchannel) > > I could run all VLANs across both 21 and 22 > I could run VLANS 10,20,30,40 on 21 and 999 on 22 > > > Are there any issues with either option ? > > > > > > _______________________________________________ > For more information regarding industry leading CCIE Lab training, please > visit www.ipexpert.com _______________________________________________ For more information regarding industry leading CCIE Lab training, please visit www.ipexpert.com
