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Step-by-Step Configuration and Troubleshooting Best Practices for the NGFW, NGIPS and AMP Technologies A Visual Guide to the Cisco Firepower Threat Defense (FTD)
New Member

Add in VOIP network in Site to Site VPN (ASA 5510)

Hi,

I need some help. I have 2 offices (1 in viet and 1 in singapore). These 2 offices already have site to site vpn setup. However, when i try to add in the VOIP network (172.28.200.0/24) into the site to site vpn. I am still unable to reach my call manager from viet office.

See below picture for the site to site VPN network. Same setting for viet asa except the local n/w would be 172.29.52.0/22.
Singapore ASA.jpg                  

THanks in advance!

1 ACCEPTED SOLUTION

Accepted Solutions
Super Bronze

Add in VOIP network in Site to Site VPN (ASA 5510)

Hi,

Would really need to see configurations from the ASA or some other output to determine what the problem is

The most common problems would be that the Crypto ACL are compatible with eachother on the sites. One problem could also be that you are lacking the NAT0 / NAT Exempt configuration for this network on both sites.

- Jouni

2 REPLIES
Super Bronze

Add in VOIP network in Site to Site VPN (ASA 5510)

Hi,

Would really need to see configurations from the ASA or some other output to determine what the problem is

The most common problems would be that the Crypto ACL are compatible with eachother on the sites. One problem could also be that you are lacking the NAT0 / NAT Exempt configuration for this network on both sites.

- Jouni

New Member

Add in VOIP network in Site to Site VPN (ASA 5510)

Hi Jouni,

Thanks thanks! it is the NAT Exempt which i missed out!. THANKS A LOT!

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