Hi Tom,
I get the error:
---------
# ip route add 1.2.4.5 dev eth3
# ip route replace 1.2.4.5 dev eth3
RTNETLINK answers: File exists
---------
I have to patch kernel or something else ?
And for the rest ? Is it related to same iproute2 error ?
Thank you for you help
Best Regards
Francesco
Francesco Saverio Giudice wrote:
> Hi All,
>
> I have 2 problems with MultiISP configuration: (Shorewall 4.0.8-4 on
> CentOS and Kernel 2.6.24 recompiled with netfilter options)
>
> Some days ago I have upgraded configuration from a 3.x version (single
> ISP) to actual (in sense that I have reinstalled OS from scratch not
> simply updated).
> I have added a second ISP in providers file and updated other original
> files (zones, etc.) to new syntax and configuration.
>
> Actual configuration is:
> eth0 lan
> eth1 ISP1 (new provider)
> eth2 ISP2 (existing provider)
> eth3 DMZ (with public ip on existing provider and some servers defined
> in proxyarp)
>
> Problems are:
>
> 1) Restart lock
>
> if I issue a 'shorewall restart' command I get an error on
>
> ----------------
> IP Forwarding Enabled
> Setting up Proxy ARP...
> RTNETLINK answers: File exists
> ERROR: Command "ip route replace AAA.AAA.AAA.5 dev eth3" Failed
This seems to be a bug in recent kernels/iproute2 -- attempting to
replace a route fails with 'File exists'. This should never happen --
that's the whole point of using 'replace' rather than 'add'.
Please try this:
ip route add 1.2.4.5 dev eth3
ip route replace 1.2.4.5 dev eth3
Do you get an error? You shouldn't.
Regardless, after the test enter 'ip route del 1.2.4.5'.
-Tom
--
Tom Eastep \ Nothing is foolproof to a sufficiently talented fool
Shoreline, \ http://shorewall.net
Washington USA \ [EMAIL PROTECTED]
PGP Public Key \ https://lists.shorewall.net/teastep.pgp.key
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