General
SDP content-length and some IPaddress in RTSP msg not corrected modified if NAT is enabled.
Symptom
Device: IR1101
Software version: 16.12.07
Problem description:
Static NAT.
NAT ALG not translating RTSP packet header.
L3 NAT works fine.
From the packet captures, it could be seen that the embedded SDP field in the RTSP reply packet is not getting translated.
Conditions
Two issues.
1. The SDP content-length is incorrect if the new IPaddr in the RTSP msg has a different length than the original one after NAT.
2. IPaddress in SDP attribute (a:) clause is not translated if NAT is enabled.
Further Problem Description
The two issues found in this bug:
1. The SDP content-length is incorrect if the new IPaddr in the RTSP msg has a different length than the original one after NAT.
2. IPaddress in SDP attribute (a:) clause is not translated if NAT is enabled.
