[Bug 301669] [NEW] NetworkManager add unnecessary route entry for VPN connection

[Volodymyr Palii]

Public bug reported:

Binary package hint: network-manager-pptp

On Intrepid:

oberon at titania:/$ lsb_release -rd
Description:	Ubuntu 8.10
Release:	8.10

With package:

oberon at titania:~$ apt-cache policy network-manager-pptp
network-manager-pptp:
  Installed: 0.7~~svn20081015t024626-0ubuntu1.8.10.1
  Candidate: 0.7~~svn20081015t024626-0ubuntu1.8.10.1
  Version table:
 *** 0.7~~svn20081015t024626-0ubuntu1.8.10.1 0
        500 http://ua.archive.ubuntu.com intrepid-proposed/universe Packages
        100 /var/lib/dpkg/status
     0.7~~svn20081015t024626-0ubuntu1 0
        500 http://ua.archive.ubuntu.com intrepid/universe Packages

Before connection to VPN server is established, routing table look like:

oberon at titania:/$ route -n
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
10.5.40.0       0.0.0.0         255.255.255.0   U     1      0        0 eth0
0.0.0.0         10.5.40.1       0.0.0.0         UG    0      0        0 eth0

And after it is established:

oberon at titania:/$ route -n
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
10.5.20.1       10.5.40.1       255.255.255.255 UGH   0      0        0 eth0
172.16.1.1      10.5.40.1       255.255.255.255 UGH   0      0        0 eth0
10.5.40.0       0.0.0.0         255.255.255.0   U     1      0        0 eth0
0.0.0.0         0.0.0.0         0.0.0.0         U     0      0        0 ppp0

For make connection to work, I need to delete bogus route:

oberon at titania:~$ sudo route del 172.16.1.1

** Affects: network-manager-pptp (Ubuntu)
     Importance: Undecided
         Status: New

** Description changed:

  Binary package hint: network-manager-pptp
  
  On Intrepid:
+ 
  oberon at titania:/$ lsb_release -rd
  Description:	Ubuntu 8.10
  Release:	8.10
+ 
  With package:
+ 
  oberon at titania:~$ apt-cache policy network-manager-pptp
  network-manager-pptp:
    Installed: 0.7~~svn20081015t024626-0ubuntu1.8.10.1
    Candidate: 0.7~~svn20081015t024626-0ubuntu1.8.10.1
    Version table:
   *** 0.7~~svn20081015t024626-0ubuntu1.8.10.1 0
          500 http://ua.archive.ubuntu.com intrepid-proposed/universe Packages
          100 /var/lib/dpkg/status
       0.7~~svn20081015t024626-0ubuntu1 0
          500 http://ua.archive.ubuntu.com intrepid/universe Packages
  
  Before connection to VPN server is established, routing table look like:
+ 
  oberon at titania:/$ route -n
  Kernel IP routing table
  Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
  10.5.40.0       0.0.0.0         255.255.255.0   U     1      0        0 eth0
  0.0.0.0         10.5.40.1       0.0.0.0         UG    0      0        0 eth0
+ 
  And after it is established:
+ 
  oberon at titania:/$ route -n
  Kernel IP routing table
  Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
  10.5.20.1       10.5.40.1       255.255.255.255 UGH   0      0        0 eth0
  172.16.1.1      10.5.40.1       255.255.255.255 UGH   0      0        0 eth0
  10.5.40.0       0.0.0.0         255.255.255.0   U     1      0        0 eth0
  0.0.0.0         0.0.0.0         0.0.0.0         U     0      0        0 ppp0
+ 
  For make connection to work, I need to delete bogus route:
+ 
  oberon at titania:~$ sudo route del 172.16.1.1

-- 
NetworkManager add unnecessary route entry for VPN connection 
https://bugs.launchpad.net/bugs/301669
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