IMHO - It may be best to have the two links between the nodes configures as MLT/LAG, so that traffic can be hashed and provide that extra redundancy rather than using the Active/Standby approach.
Reminder: You should remove the following from each ...
MLT if you desire to have traffic load-balance between these two nodes. Otherwise, one NNI link is active the other standby until the first link drops out.
If you use 2x x670's s your core and configure them in a High-Availability setup (MLAG), then you can dual-home the access switches for higher redundancy and quick fail-over. The access switches would have their uplink (configured as a LAG) and conn...
Did you see the other post about using UPM scripting.
https://community.extremenetworks.com/extreme/topics/upm_configure_port_dispay_string_based_on_lldp_...
