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Nico Schottelius 2021-02-06 13:17:47 +01:00
parent dc0980c8f0
commit 64175572b7
1 changed files with 7 additions and 8 deletions
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nicos-ipv6-vpn-routing-issue.dot
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@ -1,14 +1,13 @@
digraph G {
node [ shape=box ]
label="Why IPv6 upstream on test devices does not work
ICMP works as it's on 1 reply\n
SSH does not work\n
Testdev only receives first syn, not 2nd ack packet\n
Notebook receives duplicated syn-ack packets from testdev\n
Likely problem: router does not see return packet and drops the
packet, no session entry?
It's an outgoing packet, so this should not be a problem\n
Router seems only to send first syn packet from the client\n
ICMP works as it's on 1 reply
SSH does not work
Testdev only receives first syn, not 2nd ack packet
Notebook receives duplicated syn-ack packets from testdev
Likely problem: router does not see return packet and drops the packet, no session entry?
It's an outgoing packet, so this should not be a problem
Router seems only to send first syn packet from the client
VERIFIED by disabling ip6tables / flushing rules"
notebook [ label="Notebook: 2a0a:e5c0:13::a/64" ]