Records CMS / DNS records for external users.

[akram.root]

Hello all,

I would like to impelemnt this scenarion with my costomer and i nned your help:

Concerning the A and SRV records required for MRA/B2B/ and WebProxy for CMS webbridge over Expressway:

Action plan:

• 1) - MRA:

A Record: expe.lab.com --> Expressway E public IP

SRV Record: _collab-edge._tls.lab.com SRV  port 8443 --> expe.lab.com

• 2)-Web proxy :

A Record: join.lab.com --> Expressway E public IP

• 3)-B2B calls:

_sip._tcp.lab.com SRV port 5060 --> expe.lab.com

_sips._tcp.lab.com SRV port 5061 --> expe.lab.com

_h323cs._tcp.lab.com SRV port 1729 --> expe.lab.com

sip._tcp.conf.lab.com SRV port 5060 --> expe.lab.com 

_sips._tcp.conf.lab.com SRV port 5061 --> expe.lab.com

_h323cs._tcp.conf.lab.com SRV port 1729 --> expe.lab.com

internal domain : lab.com end external domain : lab.com

For the certificate on expresswayE , what i need the generate in the SAN?

Best regards

Akram

[Nithin Eluvathingal]

You need to have 

• expe.lab.com
• join.lab.com
• conf.lab.com

[akram.root]

Thank you for your reply,

for the  A and SRV  records are correct?

i want to use join.lab.com as webbridge3 on internal and external .

Best regards

[Nithin Eluvathingal]

Have a look on below document 

https://www.ciscolive.com/c/dam/r/ciscolive/emea/docs/2018/pdf/BRKCOL-2018.pdf

[Shalid Kurunnan Chalil]

external DNS :

join.lab.com should resolve to expressway E fqdn

Internal DNS

join.lab.com should resolve to call bridge (CMS) fqdn

Regards,