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Trigger ipv4 checksumming after nat64 translation

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Nico Schottelius 2019-04-03 11:46:52 +02:00
commit 74e4e7034b
4 changed files with 31 additions and 2 deletions
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@ -185,7 +185,7 @@
| | | |
| | Added arp handling | |
| | Added icmp handling | |
| | Static | |
| | Need to setup hardware addresses -> in theor resolution -> hardcoded atm | |
| | | |
| | | |
| 2019-04-04 | NAT64 1:1 table ICMP, ICMPv6 working | |
@ -704,7 +704,16 @@ INFO:main:unhandled reassambled=<Ether dst=00:00:0a:00:00:42 src=00:00:0a:00:00
According to Edgar this should not be seen anyway.
****** DONE Calculate ICMP checksum
****** DONE Check field lengths
****** TODO Fix resolve / mac addresses -> ethernet is wrong!
****** DONE Fix resolve / mac addresses -> ethernet is wrong!
INFO:main:unhandled reassambled=<Ether dst=33:33:ff:00:00:42 src=00:00:0a:00:00:01 type=0x86dd |<IPv6 version=6 tc=0 fl=0 plen=32 nh=ICMPv6 hlim=255 src=fe80::200:aff:fe00:1 dst=ff02::1:ff00:42 |<ICMPv6ND_NS type=Neighbor Solicitation code=0 cksum=0x37df res=0 tgt=2001:db8::42 |<ICMPv6NDOptSrcLLAddr type=1 len=1 lladdr=00:00:0a:00:00:01 |>>>> from table TABLE_V6_NETWORKS
INFO:main:unhandled reassambled=<Ether dst=33:33:ff:00:00:42 src=00:00:0a:00:00:01 type=0x86dd |<IPv6 version=6 tc=0 fl=0 plen=32 nh=ICMPv6 hlim=255 src=fe80::200:aff:fe00:1 dst=ff02::1:ff00:42 |<ICMPv6ND_NS type=Neighbor Solicitation code=0 cksum=0x37df res=0 tgt=2001:db8::42 |<ICMPv6NDOptSrcLLAddr type=1 len=1 lladdr=00:00:0a:00:00:01 |>>>> from table TABLE_V6_NETWORKS
INFO:main:unhandled reassambled=<Ether dst=33:33:ff:00:00:42 src=00:00:0a:00:00:01 type=0x86dd |<IPv6 version=6 tc=0 fl=0 plen=32 nh=ICMPv6 hlim=255 src=2001:db8::1 dst=ff02::1:ff00:42 |<ICMPv6ND_NS type=Neighbor Solicitation code=0 cksum=0x13a7 res=0 tgt=2001:db8::42 |<ICMPv6NDOptSrcLLAddr type=1 len=1 lladdr=00:00:0a:00:00:01 |>>>> from table TABLE_V6_NETWORKS
According to pcap/static_nat64-2019-04-03-0932-h3.pcap ethernet frame
looks good. Still no reply / reaction from host h3.
****** TODO Fix IPv4 header checksum // wrong according to wireshark
When & how to update?
***** TODO transform protocol specific: icmp -> icmp6
****** DONE Make switch answer IPv4 icmp echo request for
******* DONE Make switch respond to ARP