Trying to choose between 867VAE-K9 and 887va for VDSL2+ and a 2nd WAN (cable) for redundancy backup.Any thoughts?Do they support HTTP proxy (upstream proxy)?Would they work as a pass-through modem?Would they accept a line from a pass-through modem (2...

Trying to choose between 867VAE-K9 and 887va for VDSL2+ and a 2nd WAN (cable) for redundancy backup.Any thoughts?Do they support HTTP proxy (upstream proxy)?Would they balance 2 WANs or can do redundancy (one at a time - with auto fail-over) only?Wha...