From mboxrd@z Thu Jan  1 00:00:00 1970
From: Curtis Doty <Curtis@GreenKey.net>
Subject: bug: route metric signing
Date: Wed, 10 Mar 2010 07:41:01 -0800 (PST)
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The metric set is not the metric displayed. I'm presuming it's a cosmetic 
error in iproute2?

# ip route add 192.0.2.42 via 127.0.0.1 metric 4294967295
# ip route ls 192.0.2.42
192.0.2.42 via 127.0.0.1 dev lo  metric -1

And...

# ip route add 192.0.2.42 via 127.0.0.1 metric 2147483648
# ip route ls 192.0.2.42
192.0.2.42 via 127.0.0.1 dev lo  metric -2147483648

But this one appears OK...

# ip route add 192.0.2.42 via 127.0.0.1 metric 2147483647
# ip route ls 192.0.2.42
192.0.2.42 via 127.0.0.1 dev lo  metric 2147483647

Test platform is Fedora 12.

# rpm -q iproute
iproute-2.6.29-4.fc12.x86_64

# rpm -q kernel
kernel-2.6.32.9-70.fc12.x86_64

../C