/tmp/pptpd_client # lsmod
Module                  Size  Used by
ip_nat_pptp             2364   0 (unused)
ip_conntrack_pptp       2956   1
ip_nat_proto_gre        1648   0 (unused)
ip_conntrack_proto_gre    2520   0 [ip_nat_pptp ip_conntrack_pptp]
wl                    423640   0 (unused)
diag                    2704   0 (unused)
switch-robo             5516   0 (unused)
switch-core             6480   0 [switch-robo]
/tmp/pptpd_client # uname -r
2.4.33-pre2
/tmp/pptpd_client # uname -a
Linux  2.4.33-pre2 #776 Tue May 16 20:14:45 CEST 2006 mips unknown