[LARTC] Trouble using "nexthop"

[Whit Blauvelt <whit@transpect.com>]

Hi,

With a 2.2.20 kernel (and 2.2.19) and iproute2-ss991023, I'm having trouble
with nexthop syntax - or, I think the syntax is right according to examples,
but it's not working for me. For instance:

~# ip ro add default nexthop via 65.xx.yy.97 dev eth2 nexthop via 66.zz.ww.207 dev eth1
RTNETLINK answers: Invalid argument

Since at first I was following an example from Matthew Marsh's book Policy
Routing Using Linux (which is generally helpful), I e-mailed him on this,
and he wrote back that while it worked for him on a 2.2.13 system, on 2.4.x
it failed for him too.

Have I left something necessary out of the kernel? I have:

# Networking options   
#
CONFIG_PACKET=y
CONFIG_NETLINK=y
CONFIG_RTNETLINK=y
# CONFIG_NETLINK_DEV is not set   
CONFIG_FIREWALL=y
# CONFIG_FILTER is not set
CONFIG_UNIX=y
CONFIG_INET=y
# CONFIG_IP_MULTICAST is not set
CONFIG_IP_ADVANCED_ROUTER=y
CONFIG_RTNETLINK=y
CONFIG_NETLINK=y
CONFIG_IP_MULTIPLE_TABLES=y
CONFIG_IP_ROUTE_MULTIPATH=y
CONFIG_IP_ROUTE_TOS=y
CONFIG_IP_ROUTE_VERBOSE=y
# CONFIG_IP_ROUTE_LARGE_TABLES is not set
CONFIG_IP_ROUTE_NAT=y
# CONFIG_IP_PNP is not set
CONFIG_IP_FIREWALL=y   
# CONFIG_IP_FIREWALL_NETLINK is not set
CONFIG_IP_ROUTE_FWMARK=y
# CONFIG_IP_TRANSPARENT_PROXY is not set
CONFIG_IP_MASQUERADE=y

Thanks,
Whit

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