Package: ppp
Version: 2.4.4rel-10.1
Severity: minor
If pppd is used with l2tpd (nodetach) in a multilink situation then this
feature of pppd causes problems
MULTILINK
If the first link terminates (for example, because of a hangup
or a
received LCP terminate-request) the bundle is not destroyed
unless
there are no other links remaining in the bundle. Rather than
exiting,
the first pppd keeps running after its link terminates, until
all the
links in the bundle have terminated.
pppd remains connected to l2tpd even though it is just acting as a
multilink master, causing l2tpd to belive the pppd is connected... i
have resolved the issue in my own system by instructing pppd to detach
from the terminal after it changes to PHASE_MASTER i have been using
this patch since 2009-02-19 in our production systems and havent had any
problems
The "if (!detached)" call is redundant since the detach function already
checks if the process is detached so can be optionally excluded
i have noticed other people complaining of similar issues when using
multilink/nodetach in other setups (eg pppoe) I believe that this patch
may also solve the problem for them, but i have not tested that setup
-----
(auth.c)@(void link_terminated(unit))
if (doing_multilink && multilink_master) {
if (!bundle_terminating)
new_phase(PHASE_MASTER);
+++ if (!detached)
+++ detach();
else
mp_bundle_terminated();
} else
new_phase(PHASE_DEAD);
-----
feedback is appreciated :)
Regards
Stephen
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