Hello,
I have a problem with uplink balancing. This is a simple drawing of the configuration:
Little description:
We have two Internet-Links, Cable, with 8 IPs and a static LTE.
Cable-Switch is only for splitting Cable-IPs.
We work locally and remotely on a terminal server (which is what VPN-Router is for).
"Local Internet" is supplied by the Sophos, and is the network 10.10.10.0/24. The VPN-Router is also part of this network.
VPN-Router uses two internet uplinks two create two VPN-tunnels, one over Cable-Internet (WAN1) and one over LTE (WAN2). VPN-Router manages failover itself, so it needs two active links. It is not configured by us, but comes preconfigured. All we had to give them is a gateway address for the 2nd uplink (WAN2).
Current configuration:
Uplink Balancing:
Active Interfaces: LTE
Standby Interfaces: DSL
In this configuration the VPN-Router has no problems. However the switch between the links takes a while, causing some other problems locally (with another VPNs).
So I tried following configuration:
Active Interfaces: LTE (Weight 100) and DSL (Weight 0)
This configuration made for way better balancing, so that if LTE went dead, Cable took over almost instantly - locally it works better than using Standby.
However, and this is the actual problem:
WAN2 on the VPN-Router doesn't seem to work properly with this configuration. When I switch to the new configuration with two active interfaces, 100/0 balancing, all is working fine for a while, but only until LTE-Link drops. After that, VPN-Router doesn't connect the 2nd VPN over WAN2 any more. The only way to make it connect again is to reset the configuration to Active/Standby Interface.
I hope I explained this as good as possible and hope someone can help.
Thank you.
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