[mpls-linux-general] mpls nhlfe change key >> RTNETLINK answers: Operation not permitted

[kuldonk d. <ku...@ya...>]

to: mr jleu & all
I try to build MPLS testbed. 
under this configuration. 


LERA                        -  LSR                             - LERB
eth1(192.168.2.1)   eth0(192.168.2.2)           eth1xxxx

on LERA :

[root@localhost ~]# dmesg | grep -i mpls
Linux version 2.6.26.6-49.fc8.mpls.1.962
(jleu@dev8-1) (gcc version 4.1.2 20070925 (Red Hat 4.1.2-33)) #1 SMP Mon Nov 17
22:10:38 CST 2008
MPLS: version 1.962
MPLS: protocol driver interface -
<jl...@mi...>
usb usb1: Manufacturer: Linux
2.6.26.6-49.fc8.mpls.1.962 ehci_hcd
usb usb2: Manufacturer: Linux
2.6.26.6-49.fc8.mpls.1.962 uhci_hcd
usb usb3: Manufacturer: Linux
2.6.26.6-49.fc8.mpls.1.962 uhci_hcd
usb usb4: Manufacturer: Linux
2.6.26.6-49.fc8.mpls.1.962 uhci_hcd
usb usb5: Manufacturer: Linux
2.6.26.6-49.fc8.mpls.1.962 uhci_hcd
[root@localhost ~]# echo "1" >
/proc/sys/net/mpls/debug
[root@localhost ~]# cat
/proc/sys/net/mpls/debug
1
[root@localhost ~]# modprobe -r mpls4
[root@localhost ~]# mpls nhlfe add key 0
NHLFE entry key 0x00000002 mtu 0
propagate_ttl 
         (0 bytes, 0 pkts)
[root@localhost ~]# mpls nhlfe change key
0x2 instructions push gen 16 nexthop eth1 ipv4 192.168.2.2
RTNETLINK answers: Operation not permitted
[root@localhost ~]# mpls nhlfe show
NHLFE entry key 0x00000002 mtu 0
propagate_ttl 
         (0 bytes, 0 pkts)

why result like this?? RTNETLINK answers: Operation not permitted

thanks. 


bestregard

kuldonk