SCTP Interoperability issue: stale cookie
Issue
This is an interoperability issue between the sctp stack in RHEL 6.5 kernel-2.6.32-431.20.3.el6.x86_64 and the sctp stacks implemented on other devices such as cellphones on 4G networks.
The RHEL 6.5 host is the sctp server. The remote network entity (NE) is the sctp client. The transaction happens as follows
The remote NE sends INIT
The RHEL server sends a INIT-ACK
The remote NE sends a COOKIE-ECHO
The RHEL server responds with a Stale cookie error
This problem did not occur with RHEL 6.4 kernels. The packet captures are attached to the the ticket and to the bugzilla (1128785)
On a fubar mount,
~/fubar/01170003/40-sctp-6.5-Issue-sha1-.pcap shows the stale cookie error on every fourth frame.
Environment
Red Hat Enterprise Linux 6.5
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