Hi all, I confirm the issue, it times out in IPv6, then fallback to IPv4, so it is mostly invisible bu slow:
bganne@BGANNE-DX076:~/src/vpp$ ssh -6 -vvv -p 29418 [email protected] OpenSSH_7.6p1 Ubuntu-4ubuntu0.3, OpenSSL 1.0.2n 7 Dec 2017 debug1: Reading configuration data /home/bganne/.ssh/config debug1: Reading configuration data /etc/ssh/ssh_config debug1: /etc/ssh/ssh_config line 19: Applying options for * debug2: resolving "gerrit.fd.io" port 29418 debug2: ssh_connect_direct: needpriv 0 debug1: Connecting to gerrit.fd.io [2600:1f14:9b3:3400:ee75:f90f:2247:905d] port 29418. debug1: connect to address 2600:1f14:9b3:3400:ee75:f90f:2247:905d port 29418: Resource temporarily unavailable ssh: connect to host gerrit.fd.io port 29418: Resource temporarily unavailable ben > -----Original Message----- > From: [email protected] <[email protected]> On Behalf Of Elias Rudberg > Sent: mercredi 30 octobre 2019 13:07 > To: [email protected] > Subject: [vpp-dev] Access to gerrit.fd.io port 29418 works for IPv4 but > not for IPv6? > > Hello, > > According to the instructions here > https://wiki.fd.io/view/VPP/Pulling,_Building,_Running,_Hacking_and_Pushin > g_VPP_Code#Pulling_code_via_ssh > > pulling the code should be done like this: > > git clone ssh://[email protected]:29418/vpp.git > > However, from my computer that does not work (it hangs). First I > thought this was due to port 29418 being blocked for me locally but it > turns out that was not the issue. > > Doing "host gerrit.fd.io" shows that it has both an IPv4 and an IPv6 > address: > IPv4: 52.10.107.188 > IPv6: 2600:1f14:9b3:3400:ee75:f90f:2247:905d > > If I use the IPv4 address instead of the hostname, like this, then it > works: > > git clone ssh://[email protected]:29418/vpp.git > > Trying from another computer that only uses IPv4, it works as it should > using the hostname. > > So, it seems like the ssh access to gerrit.fd.io:29418 works for IPv4 > but not for IPv6. That would explain why I can get it to work by typing > the IPv4 address instead of the hostname, I guess that forces IPv4 to > be used. > > As another way of verifying this, I tested disabling IPv6 completely on > my computer. Then things work, consistent with the hypotethis that the > problem is related to IPv6 configuration of the gerrit.fd.io server. > (if I'm right, anyone trying to access gerrit.fd.io:29418 using IPv6 > should see this problem) > > For now, using the IPv4 address works as a workaround, but I guess this > is something that should be fixed in how the server is configured? > > Best regards, > Elias
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