diff --git a/src/include/netif/ppp/ppp.h b/src/include/netif/ppp/ppp.h
index b86854fa..3f1839e9 100644
--- a/src/include/netif/ppp/ppp.h
+++ b/src/include/netif/ppp/ppp.h
@@ -247,12 +247,16 @@ typedef struct ppp_settings_s {
   unsigned int lcp_echo_adaptive    :1;      /* request echo only if the link was idle */
 #else
   unsigned int                      :1;      /* 1 bit of padding */
-#endif
+#endif /* PPP_LCP_ADAPTIVE */
 #if MPPE_SUPPORT
+  unsigned int require_mppe         :1;      /* Require MPPE (Microsoft Point to Point Encryption) */
+  unsigned int refuse_mppe_40       :1;      /* Allow MPPE 40-bit mode? */
+  unsigned int refuse_mppe_128      :1;      /* Allow MPPE 128-bit mode? */
   unsigned int refuse_mppe_stateful :1;      /* Allow MPPE stateful mode? */
 #else /* MPPE_SUPPORT */
-  unsigned int                      :1;      /* 1 bit of padding */
+  unsigned int                      :4;      /* 2 bit of padding */
 #endif /* MPPE_SUPPORT */
+  unsigned int                      :5;      /* 7 bit of padding to round out to 24 bits */
 
   u16_t  listen_time;                 /* time to listen first (ms), waiting for peer to send LCP packet */
 
diff --git a/src/netif/ppp/ccp.c b/src/netif/ppp/ccp.c
index e37fd2a9..d1dfec17 100644
--- a/src/netif/ppp/ccp.c
+++ b/src/netif/ppp/ccp.c
@@ -402,6 +402,14 @@ static void ccp_init(ppp_pcb *pcb) {
 #if PREDICTOR_SUPPORT
     ao->predictor_1 = 1;
 #endif /* PREDICTOR_SUPPORT */
+
+#if MPPE_SUPPORT
+    if (pcb->settings.require_mppe) {
+	wo->mppe = ao->mppe =
+		    (pcb->settings.refuse_mppe_40 ? 0 : MPPE_OPT_40)
+		  | (pcb->settings.refuse_mppe_128 ? 0 : MPPE_OPT_128);
+    }
+#endif
 }
 
 /*