-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);
-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 @@
+--- a/pppd/lcp.c
++++ b/pppd/lcp.c
+@@ -1904,12 +1904,12 @@ lcp_up(f)
* the interface MTU is set to the lowest of that, the
* MTU we want to use, and our link MRU.
*/