Re: [mpls-linux-general] Alias ethernet interface

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

I've never tried to use an alias interface.  I'll try it tonight and
see what results I get.

On Tue, Oct 18, 2005 at 08:02:44PM -0200, Carlos Marcos Kakihara wrote:
>  Hi.
> Is it possible to use alias ethernet in mpls LSPs?
> I'm trying the following:
>=20
> # ifconfig
> ...
> eth2 Encapsulamento do Link: Ethernet Endere?o de HW 00:40:05:31:45:27
> inet end.: 192.168.28.1 <http://192.168.28.1>
> Bcast:192.168.28.31<http://192.168.28.31>Masc:
> 255.255.255.224 <http://255.255.255.224>
> UP BROADCASTRUNNING MULTICAST MTU:1500 M?trica:1
> RX packets:65275 errors:78 dropped:0 overruns:0 frame:2
> TX packets:68281 errors:0 dropped:0 overruns:0 carrier:0
> colis?es:12900 txqueuelen:1000
> RX bytes:72749368 (69.3 MiB) TX bytes:54638965 (52.1 MiB)
> IRQ:10 Endere?o de E/S:0xe000
>=20
> eth2:1 Encapsulamento do Link: Ethernet Endere?o de HW 00:40:05:31:45:27
> inet end.: 192.168.29.1 <http://192.168.29.1>
> Bcast:192.168.29.31<http://192.168.29.31>Masc:
> 255.255.255.224 <http://255.255.255.224>
> UP BROADCASTRUNNING MULTICAST MTU:1500 M?trica:1
> IRQ:10 Endere?o de E/S:0xe000
> ...
>=20
> # mpls nhlfe add key 0
> Key: 0x00000006
> # mpls nhlfe change key 6 instructions push gen 10000 nexthop eth2 ipv4
> 192.168.28.2 <http://192.168.28.2>
> # mpls nhlfe show
> NHLFE entry key 0x00000006 mtu 1496 propagate_ttl
> push gen 10000 set eth2 ipv4 192.168.28.2 <http://192.168.28.2> (0 bytes,=
 0
> pkts, 0 dropped)
>=20
> # mpls nhlfe add key 0
> Key: 0x00000007
> # mpls nhlfe change key 7 instructions push gen 10001 nexthop eth2:1 ipv4
> 192.168.29.2 <http://192.168.29.2>
> RTNETLINK answers: Operation not permitted
> # mpls nhlfe show
> NHLFE entry key 0x00000007 mtu 0 propagate_ttl
> (0 bytes, 0 pkts, 0 dropped)
> NHLFE entry key 0x00000006 mtu 1496 propagate_ttl
> push gen 10000 set eth2 ipv4 192.168.28.2 <http://192.168.28.2> (0 bytes,=
 0
> pkts, 0 dropped)
>=20
>=20
> eth2 works fine, but eth2:1 does not.
> Does anybody knows what "RTNETLINK answers: Operation not permitted" mean=
s?
>=20
> TIA.

--=20
James R. Leu
jl...@mi...