Hi,
Reading around these forums suggest there can be issues with load balancing and failover with a 2820 in dual WAN setup. I would like to elicit users' practical experience with the 2820 with 2 ADSL WANs. In my case I (will very shortly) have a primary ADSL connection on WAN1, with a second backup ADSL on WAN2 (connected via a Vigor 120 in bridge mode). Both ADSL connections will be similar effective speeds, but with a lower usage allowance on WAN2.
What I would like to achieve is some load balancing between WAN1 and WAN2 such that (a) on WAN1 failure all traffic will failover to WAN2 and (b) on subsequent WAN1 recovery for traffic to auto-return to original load balancing as sessions expire on WAN2. Will the 2820 do all this without problem if I, say, set WAN1 and WAN2 to Auto Weight load balancing? How does the Draytek perform auto weighting - as WAN2 is bridged through a Vigor 120, will the 2820 see WAN2 as a 100MB Ethernet link and 'balance' most traffic on WAN2? Will the re-balancing properly occur after recovery of a failed WAN1?
If absolutely necessary, I can live with using WAN1 exclusively, and have the 2820 failover to WAN2 as necessary by using "WAN1 Fail" for "Active on Demand" on WAN2. However, I suspect that the 2820 will not fall back to WAN1 when WAN1 comes back up, or am I wrong?
Anyone have practical experiences with all this on the 2820? Thanks.
