[Asterisk-Users] OT: VoIP over bonded link

[Nicholas Kathmann]

Colin Anderson wrote:
> I have to provision several dozen * users to a seperate building on our
> campus in the same subnet. Ordinarily, I'd just run a gigabit cat6 cable to
> another switch if it doesn't violate the 100 metre rule, but this building
> is several hundred metres away from my backbone. My only option for cabling
> to the remote building is copper. My plan is to provision them with a Linux
> bridge with 4 NIC's: 1 gigabit to the backbone, and three bonded together as
> a single interface (90 mbit aggregate), then plugged into this dealie:
>
> http://www.blackbox.com/Catalog/Detail.aspx?cid=425,1423,1424&mid=4946
>
> At the remote building, the reverse: another Linux box with 4 NIC's that
> de-aggregates the link to a gigabit connection on a switch, and then to the
> wall plates. I'm pretty sure this will work for data no problem, but I'm a
> little concerned about latency on a timing-sensitive applicaiton like VoIP. 
>
> Anyone have experience with VoIP over bonded link? Is there a gotcha? Is
> this a stupid idea? On my whiteboard it looks fine!

If you have line of site, or even close, you can consider running VoIP 
over wireless bridges.  We've run VoIP and network traffic over the 
Cisco 1300 and 1400 series bridges with no problems.  They will support 
voice VLANs and qos. 

Thanks,
Nick