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diff -Naur ppp-2.4.4.orig/pppd/lcp.c ppp-2.4.4/pppd/lcp.c
--- ppp-2.4.4.orig/pppd/lcp.c 2009-05-07 22:24:09.000000000 -0400
+++ ppp-2.4.4/pppd/lcp.c 2009-05-07 22:26:57.000000000 -0400
@@ -1904,12 +1904,12 @@
* the interface MTU is set to the lowest of that, the
* MTU we want to use, and our link MRU.
*/
- mtu = ho->neg_mru? ho->mru: PPP_MRU;
+ mtu = MIN(ho->neg_mru? ho->mru: PPP_MRU, ao->mru);
mru = go->neg_mru? MAX(wo->mru, go->mru): PPP_MRU;
#ifdef HAVE_MULTILINK
if (!(multilink && go->neg_mrru && ho->neg_mrru))
#endif /* HAVE_MULTILINK */
- netif_set_mtu(f->unit, MIN(MIN(mtu, mru), ao->mru));
+ netif_set_mtu(f->unit, MIN(mtu, mru));
ppp_send_config(f->unit, mtu,
(ho->neg_asyncmap? ho->asyncmap: 0xffffffff),
ho->neg_pcompression, ho->neg_accompression);
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