Ubuntu
network-manager package

NetworkManager fails on pure IPv6 networks

Bug #201895 reported by Jelte
2
Affects Status Importance Assigned to Milestone
network-manager (Ubuntu)
Invalid
Undecided
Unassigned

Bug Description

Binary package hint: network-manager

When I try to connect to a pure IPv6 network (i.e. no IPv4), it gets connected, sets both a link-local and a global address, but does not seem to realize it is done (the circling icon is still animating). After a while it 'gives up' and brings the interface down again.

It seems that it waits for DHCP(v4) to finish, which will obviously fail,
since there is no IPv4 on the local network. When DHCP fails, NetworkManager
seems to assume there is no network at all and brings the interface down
again.

Release: Hardy (but i hear gutsy has the same problem, network-manager 0.6.6

Revision history for this message
Alexander Sack (asac) wrote :

can you please provide a bit more info on how you setup your ipv6 network (on your system).

Further, please attach your /etc/network/interfaces and (complete) /var/log/syslog (taken after a failed connect attempt).

Changed in network-manager:
status: New → Incomplete
Revision history for this message
Jelte (tjebbe) wrote :

My network/interfaces file is default from installation:

% cat /etc/network/interfaces
auto lo
iface lo inet loopback

To normal dual-stack networks, NetworkManager connects fine through both the ethernet card (eth0) and wifi card (wlan0).

Attached is a syslog showing the connection attempt to ipv6-only, followed by a successful connection to a dual-stack network.

Revision history for this message
Jelte (tjebbe) wrote :

I see this bug is still marked as incomplete, and has expired. Was more information needed?

Revision history for this message
Alexander Sack (asac) wrote :

should work better in intrepid now.

Changed in network-manager:
status: Incomplete → Invalid
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