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[Openvpn-users] New problem with openvpn (formerly up-script problem).


  • Subject: [Openvpn-users] New problem with openvpn (formerly up-script problem).
  • From: "Tibbs, Richard" <rwtibbs@xxxxxxxxxxx>
  • Date: Sun, 5 Dec 2004 11:17:34 -0500

Dear list.
I tried the following command line
/sbin/ip link set mtu 1500 dev tun0

Problem is, there is no device tun0 even though daemon.log says
Dec  4 21:55:38 firewall openvpn[9273]: MTU DYNAMIC mtu=1450, flags=2,
1576 -> 1450
Dec  4 21:55:38 firewall openvpn[9273]: TUN/TAP device tun0 opened
Dec  4 21:55:38 firewall openvpn[9273]: ip link set dev tun0 up mtu 1500
Dec  4 21:55:39 firewall openvpn[9273]: ip addr add dev tun0 local
10.1.1.1 peer 10.1.1.2
Dec  4 21:55:39 firewall openvpn[9273]: /etc/openvpn/openvpn.up tun0
1500 1576 10.1.1.1 10.1.1.2 init
Dec  4 21:55:39 firewall openvpn[9273]: script failed: shell command
exited with error status: 1

Logged in as root, I tried typing
ip link set dev tun0 up mtu 1500
 and I get the message
SIOCSIFMTU: Operation not supported by device.
( this happens no matter what mtu I type)

The only command that does not give me some nastygram from IP is
ip link set tun0
But nothing shows up, if I type ip link sho

firewall: -root-
# ip link show
1: lo: <LOOPBACK,UP> mtu 16436 qdisc noqueue 
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: dummy0: <BROADCAST,NOARP> mtu 1500 qdisc noop 
    link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff
3: eth0: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast qlen 100
    link/ether 00:02:e3:13:02:78 brd ff:ff:ff:ff:ff:ff
4: eth1: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast qlen 100
    link/ether 00:02:e3:12:7d:94 brd ff:ff:ff:ff:ff:ff
6: ipsec0: <NOARP,UP> mtu 16260 qdisc pfifo_fast qlen 10
    link/ether 00:02:e3:13:02:78 brd ff:ff:ff:ff:ff:ff
7: ipsec1: <NOARP> mtu 0 qdisc noop qlen 10
    link/ipip 
8: ipsec2: <NOARP> mtu 0 qdisc noop qlen 10
    link/ipip 
9: ipsec3: <NOARP> mtu 0 qdisc noop qlen 10
    link/ipip

What is wrong here?
Rick.



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