09-16-2010 02:15 PM - edited 03-04-2019 09:47 AM
I'm planning on implement a solution of VoIP over a 2 parallel WAN links.
Because the bandwidth on both links is less than 512kbps, its important to load balance the traffic between both.
EIGRP its implemented over all the network, so i have the option to use variance to load balance between this links (512kbps and 384kbps)
My second option is tu join both link with MULTILINK.
I want to know which of this options is recomended considering that Data and VoIP will go trought this conection.
Anothe consideration is that i need to implement QoS.
Thanks
Osvaldo U.
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09-19-2010 01:04 PM
Hello Osvaldo,
PPP multilink can give you the capability to perform interleaving to minimize VOIP packets delay and jitter.
So given the low speeds of links would be wise to use PPP multilink.
However, the speeds are different (512 Kbps and 384 kbps) and MLPP cannot handle this. So in this case I would use EIGRP with variance and each interface needs its own QoS settings to provide better treatment to VOIP packet. ( Low Latency Queueing).
The use of Policy Based Routing (PBR) to divert all VOIP traffic to a single link can be considered also.
Hope to help
Giuseppe
09-19-2010 01:04 PM
Hello Osvaldo,
PPP multilink can give you the capability to perform interleaving to minimize VOIP packets delay and jitter.
So given the low speeds of links would be wise to use PPP multilink.
However, the speeds are different (512 Kbps and 384 kbps) and MLPP cannot handle this. So in this case I would use EIGRP with variance and each interface needs its own QoS settings to provide better treatment to VOIP packet. ( Low Latency Queueing).
The use of Policy Based Routing (PBR) to divert all VOIP traffic to a single link can be considered also.
Hope to help
Giuseppe
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