I want to ensure both inbound and outbound traffic between Site A and Site B use the same link based on PBR. I plan on using PBR to isolate outbound time sensitive traffic (voice, video) to Link A and all other traffic to Link B, but need to make sure all return traffic is also dedicated to its respective link. The sites are conencted via a SPRINT MPLS, dual 50Mbps ethernet circuits using BGP and terminating on one CE router at each site.
are you able to use a separate subnet on each site for the time-sensitive devices?
And are the CE routers peering to a different PE on each line?
If yes, you might possibly modify the BGP attributes to make the traffic sent between those two subnets to use one line on each site only?
You could advertise the time-sensitive subnet with the site AS number prepended several times to Line B.
And you could configure a route-map giving a better Local Preference to the time-sensitive subnet prefix received from the other site on Line A. (And giving a worse Local Preference to all other prefixes recived on that Line.)
This way (if the MPLS SP does not set anything special) the traffic sent between the time-sensitive subnets would always be sent through Lines A.
On the other hand, also all outgoing traffic sent from other subnets on one site to the time-sensitive subnet on the other site would take the Line A.
Should that be a problem, you could use PBR to make that traffic to use Line B?
Hi everyone, I would like to thank you in advance for any help you can provide a newcomer like myself!
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