[cisco-voip] Expressway ?'s

[Rob Dawson]

I’ll second BIND views, they are a great way to handle split horizon DNS.


From: cisco-voip [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Norton, Mike
Sent: Friday, June 19, 2015 1:29 AM
To: Lelio Fulgenzi; cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] Expressway ?'s

I don’t know anything about MRA, but firewalling DNS responses does sound icky. If your DNS servers happen to be BIND then this sounds suspiciously like a job for BIND’s “views” feature, if you haven’t looked into that already.

-mn


From: cisco-voip [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Lelio Fulgenzi
Sent: Thursday, June 18, 2015 8:01 PM
To: cisco-voip at puck.nether.net<mailto:cisco-voip at puck.nether.net>
Subject: Re: [cisco-voip] Expressway ?'s

I really wish there was another option other than split DNS to get MRA working from off-premise. I mean, why rely on DNS response rather than lack of connectivity to decide which path to take? A parameter in the jabber-config.xml file could help with that.

Anyways, I know it's gonna be fun to use the workaround of configuring our edge firewall to filter out DNS responses. ugh.
---
Lelio Fulgenzi, B.A.
Senior Analyst, Network Infrastructure
Computing and Communications Services (CCS)
University of Guelph

519‐824‐4120 Ext 56354
lelio at uoguelph.ca<mailto:lelio at uoguelph.ca>
www.uoguelph.ca/ccs<http://www.uoguelph.ca/ccs>
Room 037, Animal Science and Nutrition Building
Guelph, Ontario, N1G 2W1

________________________________
From: "Charles Goldsmith" <wokka at justfamily.org<mailto:wokka at justfamily.org>>
To: "Scott Voll" <svoll.voip at gmail.com<mailto:svoll.voip at gmail.com>>
Cc: cisco-voip at puck.nether.net<mailto:cisco-voip at puck.nether.net>
Sent: Thursday, 18 June, 2015 7:45:14 PM
Subject: Re: [cisco-voip] Expressway ?'s
As said by others, license is free for the MRA part, to get the free license, here is a handy blog entry : https://ciscocollab.wordpress.com/2014/02/20/how-to-get-expressway-c-and-e-licenses/

He also has entries on helping set it up, but it's pretty simple once you get in and start configuring.  Hard part is getting the certs, DNS and firewall in line :)


On Thu, Jun 18, 2015 at 4:58 PM, Scott Voll <svoll.voip at gmail.com<mailto:svoll.voip at gmail.com>> wrote:
I"m still on UC 8.6.  we are planning an upgrade to 10.x  We currently have DLU's for licensing and will be moving to CUWL Standard ( I think).

How does Expressways factor into this?

is it part of CUWL?  Is there a Cost?  What all can you do with Expressway.  What I believe I understand is that it can get your external voice and video internal.  does it replace my lan to lan connections to get an IP phone registered to CM?

Does it also do video bridging?  Example. Polycom HDX unit, cisco SX20, jabber and skype all in a single call?

TIA

Scott



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