--- ppp-2.4.2/pppd/plugins/pppoatm/pppoatm.c.mtu	2004-10-07 13:32:05.660910432 +0100
+++ ppp-2.4.2/pppd/plugins/pppoatm/pppoatm.c	2004-10-07 13:58:20.096559832 +0100
@@ -175,8 +175,10 @@
 {
 	int sock;
 	struct ifreq ifr;
-	if (mtu > pppoatm_max_mtu)
-		error("Couldn't increase MTU to %d", mtu);
+	if (pppoatm_max_mtu && mtu > pppoatm_max_mtu) {
+		warn("Couldn't increase MTU to %d. Using %d", mtu, pppoatm_max_mtu);
+		mtu = pppoatm_max_mtu;
+	}
 	sock = socket(AF_INET, SOCK_DGRAM, 0);
 	if (sock < 0)
 		fatal("Couldn't create IP socket: %m");
@@ -192,8 +194,10 @@
 			      int pcomp,
 			      int accomp)
 {
-	if (mru > pppoatm_max_mru)
-		error("Couldn't increase MRU to %d", mru);
+	if (pppoatm_max_mru && mru > pppoatm_max_mru) {
+		warn("Couldn't increase MRU to %d. Using %d", mru, pppoatm_max_mru);
+		mru = pppoatm_max_mru;
+	}
 }
 
 void plugin_init(void)