Re: [mpls-linux-general] Is possible to strip-on labels on traffic incoming/outgoing to/from specific port ?

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

On Thu, Sep 29, 2005 at 05:17:16PM -0400, Rodzina Adamsow wrote:
> Hello,
>=20
> I was looking in achival postings and documentation and I could not find
> answer for my question. Is possible to use mpls to put labels on packets
> outgoing from specific ports ?
>=20
> If I make commands:
>=20
> #mpls nhlfe add key 0
> #mpls nhlfe change key 0x02 instructions push gen 90115 nexthop eth0
> ipv4 117.102.93.81
> #ip route add 117.102.93.81/32 via 117.102.93.81 spec_nh 0x8847 0x2
>=20
> then all packets going to 117.102.93.81 will have label 90115.

Yes, use the iptables interface to MPLS which would be something like:

iptables -d 117.102.93.81/32 -m tcp --port 20 -j spec_nh --spec_nh 0x8847:0=
x2

>=20
> But what if there are multiple services with different output ports and=
=20
> there is a need only to label outgoing packets from one certain service?
> For example SSH @ port 22 of FTP @ port 20 ?
>=20
> And similar question about incoming traffic.
> Is possible to strip-off labels from packets incoming to specific port?
> For example Samba @ port 612 ?
>=20
> And one more thing.
> Is hrere anyone who succesfully installed zebra-0.94-1+ldp0.310.i386.rpm
> and quagga-0.97.3-1.FC3mpls1_946a.i386.rpm on OS with
> libreadline.so.4.3 ?
>=20
> I have libreadline.so.4.3 and I got errors:
> rpm -iv zebra-0.94-1+ldp0.310.i386.rpm
> error: Failed dependencies:
>         libreadline.so.4 is needed by zebra-0.94-1+ldp0.310
>=20
> rpm -iv quagga-0.97.3-1.FC3mpls1_946a.i386.rpm
> error: Failed dependencies:
>         libreadline.so.4 is needed by quagga-0.97.3-1.FC3mpls1_946a
>=20
>=20
> Whjat is wrong?
> Do I have to install older version of libreadline.so ?
>=20
> Thank U for help in advance.
> Robert
>=20
>=20
>=20
>=20
>=20
>=20
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--=20
James R. Leu
jl...@mi...