Thursday, October 18, 2018

Comcast ENS - 4 Site setup

I am being tasked with a Comcast MAN/ENS setup for our network. Understand it is a big L2 connection pretty much but what do you think is the best way to set this up. I am thinking dynamically OSPF would be best but wanted to hear if anyone had any different opinions. Currently its 4 offices pretty much that have ASAs ranging from 5506s to 5545s -- other then at Main office which is L3 sw to ASA -- at each site that hand off into switches.

Comcast ENS --

Site A - 172.20.10.1

Site B - 172.20.10.2

Site C - 172.20.10.3

Site D - 172.20.10.4

and the internals for this office would range from 10.1.x.x to 192.168.x.x's

Kind of stepping into this setup as I have dealt with MPLS with OSPF internally before but was wondering should this OSPF be dropped on the ASA level just exchanging those Comcast ENS IPs across talking that way or is there another way. Finding documentation on configurations for ENS are few and far between it looks. Appreciate any input



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