Public bug reported:
in ubuntu 12.04, upon starting a vpnc tunnel would not clobber manually
added routes that existed before the tunnel was started up. in 12.10 it
does, so manual override routes must be readded after reconnecting each
time. this is a pain in the ass.
ie,
before bringing up tunnel, you add a have such as:
10.0.1.20 192.168.0.1 255.255.255.255 UGH 0 0 0 eth0
in 12.04, the routes would have been:
10.0.1.20 192.168.0.1 255.255.255.255 UGH 0 0 0 eth0
10.0.1.0 0.0.0.0 255.255.255.0 U 0 0 0 tun0
in 12.10 after the tunnel comes up, that route has been forcibly removed and
only the route added by the tunnel exists:
10.0.1.0 0.0.0.0 255.255.255.0 U 0 0 0 tun0
suggested fix:
in the "routes" config section for the vpn, you can add routes that will be
added when the tunnel comes up, but it only allows address, netmask, gateway,
and metric. if a device field were added, then the more specific override route
could be added.
** Affects: network-manager-vpnc (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1071850
Title:
network-manager-vpnc manual route clobbering
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