When connected to a Sonicwall via VPN, cannot hit devices connected to a second Sonicwall (Site to Site)

SITE A:

Sonicwall TZ-215
Public WAN IP: 123.X.X.X
LAN IP: 10.30.0.0 / 255.255.255.0

This device is configured to allow VPN connections via L2TP. It places VPN connected machines on the 10.30.2.0 network.

SITE B:

Sonicwall TZ-215
Public WAN IP: 456.X.X.X
LAN IP: 10.30.1.0 / 255.255.255.0


Site A can hit Site B, but devices connected to Site A's L2TP VPN can hit devices on all of Site A's subnets but cannot hit Site B.

Site B can hit Site A but cannot hit devices on the L2TP VPN.

Any insight or places to look would be great. I've played with the access rules left and right on both firewalls but am just not having any luck!
aocconnectadminAsked:
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Axis52401Security AnalystCommented:
Take a look at this other EE post. Sonicwall VPNs are very picky about having each end configured the same.

http://www.experts-exchange.com/Hardware/Networking_Hardware/Firewalls/Q_28283606.html
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