etherchannel and rtp packet reordering in ip phones
In a lan with IP Phones i found two catalyst connected accross two gigabit ethernet trunk in pagp mode. Due to its load balancing operation, the RTP packets on the receiving ip phones could sometimes arrive out of sequence.
As far as i know, the reordering of packets should not be a problem for RTP packets because the de-jitter buffers on the receiving VoIP devices will reorder the packets based on the RTP sequence numbers.
Am i right, or should i change the trunk to etherchannel only to force every conversation over each gigabit link for better quality ?
Re: etherchannel and rtp packet reordering in ip phones
I beleive you are correct. The reordering of rtp packets should be done automatically. I think the only problem might be if one of the available links was significantly slower than another. But the better queation is, if you found this on a production system, was it working?
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