[RHEL6] TCP-Tunneled PPP links hangs after random amount of time.
Issue
-
When transferring a large amount of data transfer over PPP link tunneled on a TCP pipe, the PPP communications stalls after random amount of time.
-
Here is a sample network setup:
=== NETWORK LAYOUT===
|1| |2| |3|
172.30.7.16 ---Ethernet---- 172.30.7.22 ----Ethernet---- 172.30.7.11
172.30.7.7 ---PPPoTCP----- 172.30.7.6
- The issue happens while system |3| tries to establish communications with system |1| PPP endpoint (172.30.7.7).
Environment
- Red Hat Enterprise Linux 6
- TCP-Tunneled PPP link
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