[LARTC] Problem

[Michael Flower <michael.flower@elantisystems.com>]

Hello.

I am trying to get multi paths running, i.e I want to specify 2 paths
from a particular node to another.

To test this, I am setting up the following scenario:

I create 2 tap devices
    tap0 = 10.1.1.1/32 netmask 255.255.255.0
    tap1 = 10.2.2.2/32 netmask 255.255.255.0

I then issue the route command:

ip route add 10.3.3.3/32 nexthop via 10.1.1.2 nexthop via 10.2.2.3

The route table then looks like:

10.3.3.3
        nexthop via 10.1.1.2  dev tap0 weight 1
        nexthop via 10.2.2.3  dev tap1 weight 1

Pinging 10.3.3.3 causes arp requests on tap1 for 10.2.2.3 and never for
10.1.1.2.
(there is nothing connected to tap0 or tap1 so I don't expect anything
really, but I do expect the ARP requests, which would show that
splitting would work.

If the two routes were being used equally, I would have expected to see
arp requests for 10.1.1.2 also (wouldn't I?)

...Michael Flower

-- 


Michael Flower
ES Labs
Elantis Systems Inc.
+61 3 9550 0866

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