Avaya has released 18.104.22.168 software for the Ethernet Routing Switch 1600 series.
This release is significant in that it adds three previously missing features;
The Ethernet Routing Switch 1600 series also supports IST/SMLT configurations for use in small core designs.
Until recently I had been using a large number of ERS 1648 switches as remote edge routers for Ethernet or dark fiber connected WAN sites. In case you’re curious we recently starting using the ERS 5530 with the Advanced License to enable OSPF routing.
You can find the official release notes here.