Re: [mpls-linux-general] Mapping traffic to a LSP using iptables

[James R. L. <jl...@mi...>]

Just for sanity sake do a 'which iptables' to make sure your
running the binary from the RPM.  If that checks out then do a

    strace -f iptables <your parameters from before>

You'll probably want to redirect the output to a file.  Look through that
output for where it tries to load libipt_spec_nh.so, check to see what
error number is being returned.  Send that portion of the output to
the list.

On Thu, Apr 28, 2005 at 09:21:32AM +0200, Claus Holst wrote:
> The RPM lists the /lib/iptables/libipt_spec_nh.so file. I have always
> executed the commands when logged in as root.
>=20
> On Tue, Apr 26, 2005 at 06:09:58PM +0200, Claus Holst wrote:
> > I cannot get to the machines at the moment, but what should I be lookin=
g=20
> > for in the output?
>=20
> In particular you are looking to make sure the RPM lists the file:
>=20
>     /lib/iptables/libipt_spec_nh.so
>=20
> and that the file exists on the system.  If is does then is must be
> something about how it's being called (not being run as root etc) and
> we will have to do some tracing to see what is happening.
>=20
> In the future please use 'wide' reply (ie reply to the list and to me).
> Thanks
>=20
> > James R. Leu wrote:
> >=20
> > > Do a 'rpm -ql iptables' and send the output to the list.
> > >=20
> > > On Tue, Apr 26, 2005 at 05:44:32PM +0200, Claus Holst wrote:
> > >=20
> > >=20
> > > > I downloaded the RPM from=20
> > > > http://prdownloads.sourceforge.net/mpls-linux/iptables-1.2.11-3.1.F=
C3mpls1_946.i386.rpm?download
> > > >=20
> > > > /Claus
> > > >=20
> > > > James R. Leu wrote:
> > > >=20
> > > >  =20
> > > >=20
> > > > > Did you download the iptables RPM from http://mpls-linux.sf.net/
> > > > > or patch/compile iptables by hand?
> > > > >=20
> > > > > On Tue, Apr 26, 2005 at 02:41:18PM +0200, Claus Holst wrote:
> > > > >=20
> > > > >=20
> > > > >    =20
> > > > >=20
> > > > > > After executing the following commands:
> > > > > >=20
> > > > > > mpls nhlfe add key 0
> > > > > > mpls nhlfe change key 0x2 instructions push gen 10000 nexthop e=
th0 ipv4=20
> > > > > > 130.225.185.243
> > > > > > iptables -A OUTPUT -d 130.225.185.241 -j spec_nh --spec_nh 0x88=
47:0x2
> > > > > >=20
> > > > > > I get the following error:
> > > > > >=20
> > > > > > iptables: No chain/target/match by that name
> > > > > >=20
> > > > > > I guess it is the target that is wrong?
> > > > > >=20
> > > > > > Regards,
> > > > > > Claus
> > > > > >=20
> > > > > >=20
> > > > > >=20
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> > > > > >=20
> > > > > >=20
> > > > > >      =20
> > > > > >=20
> > > > >    =20
> > > > --=20
> > > > No virus found in this outgoing message.
> > > > Checked by AVG Anti-Virus.
> > > > Version: 7.0.308 / Virus Database: 266.10.3 - Release Date: 25-04-2=
005
> > > >  =20
> > > >=20
> > >=20
> >=20
> > --=20
> > No virus found in this outgoing message.
> > Checked by AVG Anti-Virus.
> > Version: 7.0.308 / Virus Database: 266.10.3 - Release Date: 25-04-2005
>=20
> --=20
> James R. Leu
> jl...@mi...
>=20
>=20
>=20
>=20
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--=20
James R. Leu
jl...@mi...