diff -r 3e63050481a8 sys/src/cmd/ip/ppp/ppp.c
--- a/sys/src/cmd/ip/ppp/ppp.c	Sat Mar 05 07:44:02 2016 +0100
+++ b/sys/src/cmd/ip/ppp/ppp.c	Mon Mar 14 23:36:40 2016 +0100
@@ -243,12 +244,21 @@
 		}
 		break;
 	case Pauth:
-		if(server)
+		if(server) {
 			chapinit(ppp);
-		else if(ppp->chap->proto == APpasswd)
-			papinit(ppp);
-		else
-			setphase(ppp, Pnet);
+		} else {
+			switch (ppp->chap->proto) {
+			case APpasswd:
+				papinit(ppp);
+				break;
+			case APmd5:
+			case APmschap:
+				break;
+			default:
+				setphase(ppp, Pnet);
+				break;
+			}
+		}
 		break;
 	case Pnet:
 		pinit(ppp, ppp->ccp);