diff --git a/doc/plan.org b/doc/plan.org
index 96cd285..8878c0f 100644
--- a/doc/plan.org
+++ b/doc/plan.org
@@ -20,13 +20,17 @@
 |            |                                                                            |       |
 |            |                                                                            |       |
 | 2019-02-28 | Meet Laurent #2                                                            |       |
-|            | - Setup base code                                                          |       |
-|            | - Parser for all protocols (udp,tcp,icmp,icmp6)                            |       |
-|            | - Started with icmp translation                                            |       |
-|            | - Investigating into IPv6 based checksums                                  |       |
-|            | - Some issues with python2 (ipaddr) - slowing down                         |       |
-|            | - Reading into various RFCs, NDP, MLD                                      |       |
-|            | - Reading about multicast / trying to figure out dynamic membership        |       |
+|            | - Status                                                                   |       |
+|            | * Setup base code                                                          |       |
+|            | * Parser for all protocols (udp,tcp,icmp,icmp6)                            |       |
+|            | * Started with icmp translation                                            |       |
+|            | * Investigating into IPv6 based checksums                                  |       |
+|            | * Reading into various RFCs, NDP, MLD                                      |       |
+|            | * Reading about multicast / trying to figure out dynamic membership        |       |
+|            |                                                                            |       |
+|            | - Challenges                                                               |       |
+|            | * Some issues with python2 (ipaddr) - slowing down                         |       |
+|            | * Forwarded and received icmp6 packets are not "accepted"                  |       |
 |            |                                                                            |       |
 |            | - Questions                                                                |       |
 |            | * Re-using code (lee howard)                                               |       |
@@ -509,3 +513,19 @@ listening on h1-eth0, link-type EN10MB (Ethernet), capture size 262144 bytes
 09:47:08.190331 IP6 2001:db8:61::1 > ff02::1:ff00:42: ICMP6, neighbor solicitation, who has 2001:db8:61::42, length 32
 09:47:09.190279 IP6 2001:db8:61::1 > ff02::1:ff00:42: ICMP6, neighbor solicitation, who has 2001:db8:61::42, length 32
 *** TODO special rule for ff02::1:ff00:42
+
+Semi works, replies are there, but host still retries:
+
+p4@ubuntu:~/master-thesis$ h=1; mx h$h tcpdump -lni h$h-eth0
+sudo: unable to resolve host ubuntu
+tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
+listening on h1-eth0, link-type EN10MB (Ethernet), capture size 262144 bytes
+09:58:04.786979 IP6 2001:db8:61::1 > ff02::1:ff00:42: ICMP6, neighbor solicitation, who has 2001:db8:61::42, length 32
+09:58:04.793560 IP6 2001:db8:61::42 > 2001:db8:61::1: ICMP6, neighbor advertisement, tgt is 2001:db8:61::42, length 32
+09:58:05.786311 IP6 2001:db8:61::1 > ff02::1:ff00:42: ICMP6, neighbor solicitation, who has 2001:db8:61::42, length 32
+09:58:05.790506 IP6 2001:db8:61::42 > 2001:db8:61::1: ICMP6, neighbor advertisement, tgt is 2001:db8:61::42, length 32
+09:58:06.786254 IP6 2001:db8:61::1 > ff02::1:ff00:42: ICMP6, neighbor solicitation, who has 2001:db8:61::42, length 32
+09:58:06.792325 IP6 2001:db8:61::42 > 2001:db8:61::1: ICMP6, neighbor advertisement, tgt is 2001:db8:61::42, length 32
+
+
+Maybe checksums?
diff --git a/p4src/checksums.p4 b/p4src/checksums.p4
index 842eedd..bc6eb06 100644
--- a/p4src/checksums.p4
+++ b/p4src/checksums.p4
@@ -26,7 +26,7 @@ control MyComputeChecksum(inout headers  hdr, inout metadata meta) {
 			{
                 hdr.ipv6.src_addr,         /* 128 */
 				hdr.ipv6.dst_addr,         /* 128 */
-                hdr.ipv6.payload_length,   /* 16 bit  -> should be 32 according to RFC2460 - also static number? */
+                (bit<32>) hdr.ipv6.payload_length,   /* 16 bit  -> should be 32 according to RFC2460 - also static number? */
                 24w0,                      /* 24 0's */
                 PROTO_ICMP6                /* 8 */
             },