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I understand the issues with using VLAN 1 as the native VLAN on a dot1q trunk. I follow best practices and change the native VLAN to a VLAN that does not carry any other traffic (switchport trunk native vlan x). I usually go a step further and do not...
This scenario goes well beyond my BGP skills. We have a case where we want only specific ASNs to go through a specific provider while maintaining our AS as the transit AS between the customer AS and the provider AS. Controlling inbound traffic...
Most of the posts in this forum center around receiving partial tables. What is the best way to send a partial table? I know I can control subnets via a distribute list (and specify ¼ or ½ of the IPV4 table via an ACL) and I can control what AS#...
We have a catalyst 4507 L3 switch at the core of the network. Attached to VLAN 1 is a Watchguard FW, various users, and a handful of servers. VLAN 1 is 192.168.2.24 and the FW is 192.168.2.254. 90% of the devices point to the VLAN 1 interface as t...
Currently there are routers and two T1's connected to two different ISP's in a BGP multihomed setup. The IP addressing space belongs to ATT and because of this the ATT T1 seems to see more traffic. One T1 which comes from Global Crossing will be rep...
Sameh -If you read through the post that was tried already by the original poster. As I stated in my earlier comment, I fixed my problem by resetting the AAA settings on the switch (no aaa new-model). I was just letting the forum know in case oth...
I had the same problem. Ruled out console cable, PC, and term emulation program. At one point I knew it worked because I configured switch. Luckily I was able to telnet to switch and troubleshoot. I removed aaa new-model and then the console ...
Hello Giuseppe,Thanks for the quick and detailed reply. You bring up some very valid points and I agree with you that we may be trying to do things that are not meant to be done.The story behind this is that in the event of a disaster and we lose on...
Thanks everyone for the very helpful responses. We would be approaching this from the perspective of the service provider and would be interested in advertising routes associated with our AS and all AS directly connected to us which I guess would be...
