pdk
@rr.com
| reply to pdk
Re: [HELP] Prepending AS path in Multihomed setup
Thanks for all the replies everyone,
BGP is definitely the right solution for what I'm doing, I do not question that. This however is my first implementation of it in a production environment so I'm still learning. I think I found the problem. Neither of our ISP's have our routes configured properly, neither one knows about the other and right now, whoever comes up first is the preferred route regardless of how many prepends I have on the AS path. |
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sporkme
drop the crantini and move it, sister
Premium,MVM
join:2000-07-01
Morristown, NJ
 ·Optimum Online
| Can you clarify this part?
said by pdk :
Neither of our ISP's have our routes configured properly
Are you announcing your routes via BGP or are your ISPs handling this? Can you explain your setup in a bit more detail? |
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rolande
Certifiable
Premium,Mod
join:2002-05-24
Powell, OH
clubs:
Host:
Linksys
AT&T Midwest
| Depending on the original provider who allocated the netblock in question, one ISP may be aggregating the route as part of a larger block. The second ISP is advertising the more specific prefix and thus ends up getting all the traffic. Does that sound close? |
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sporkme
drop the crantini and move it, sister
Premium,MVM
join:2000-07-01
Morristown, NJ
·Optimum Online
| said by rolande  :Depending on the original provider who allocated the netblock in question, one ISP may be aggregating the route as part of a larger block. The second ISP is advertising the more specific prefix and thus ends up getting all the traffic. Does that sound close? That sure works...  There's not much info in the original post, I was assuming he had his own AS and netblock, but who knows... |
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