Public bug reported:
I'm using network-manager 1.22.10-1ubuntu2.1 in Ubuntu Focal 20.04.
After a connection the internal dhcp doesn't send request to dhcpv6
server. All options in NM are default. IPv4 is ok.
Using tcpdump I can see the packages:
17:47:38.428145 IP6 fe80::426e:5cc5:ab6b:e126.546 > ff02::1:2.547: dhcp6 solicit
17:47:38.428902 IP6 fe80::20e:1eff:fe7a:9ed0.547 >
fe80::426e:5cc5:ab6b:e126.546: dhcp6 advertise
After dhcp6 advertise the NM doesn't send any request. After some
seconds I can see a timeout on logs.
NetworkManager[3803]: <warn> [1591735670.9313] dhcp6 (eno1): request timed out
NetworkManager[3803]: <info> [1591735670.9314] dhcp6 (eno1): state changed
unknown -> timeout
As man says, we can change the dhcp client. If I change
/etc/NetworkManager/NetworkManager.conf adding
[main]
dhcp=dhclient
so everything works nice.
I think there is some problem with the internal dhcp client of
NetworkManager.
Tks
** Affects: network-manager (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1882849
Title:
Doesn't send dhcpv6 request
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