Re: [c-nsp] Add 2nd Trunk

2013-06-08 Thread Ahmed Hilmy
Thanks Tom for your kind email. I got your points. our customers will never accept any interruption !!! i can move some VLANs from 1st trunk to 2nd one, in this case should i care about loop ? i think it will not happen , each trunk will carry different VLANs and at swtich side configure 2nd

Re: [c-nsp] Add 2nd Trunk

2013-06-08 Thread Tom Storey
There should be no loops as the two router ports are routed, not switched. Configure the second trunk on the switch, and plug the cable in to the second router port, make sure its up/up on both ends and configure a test service on it to be 100% sure traffic is flowing over it. Then in a text

Re: [c-nsp] Add 2nd Trunk

2013-06-08 Thread Tom Storey
Sorry, For some reason I read 7606 as 7206. Dont far too much work with the 7200 platform. :-) That could present a different situation. Are you using SVIs on the 7606 to terminate the customer VLANs, or sub-interfaces? If sub-interfaces, then there shouldn't be a problem because the ports are

[c-nsp] Add 2nd Trunk

2013-06-07 Thread Ahmed Hilmy
Hello Friends, I have a Cisco SW ( 3560 ) with one Trunk link to my router ( 7606 ), Trunk link is fully utilized so i need to add 2nd Trunk. Shall all move some customers from old trunk to 2nd one and create a new subterface for them ? I am think if i can create bundle and add subinterfaces

Re: [c-nsp] Add 2nd Trunk

2013-06-07 Thread Tom Storey
Depending on the hashing algoritm, it is still possible for one link to run hotter than the other in a bundle. Just like it is possible for the right mix of customers to run one link hotter than the other. Using a second trunk means that most customers will not experience any interruption, only