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ipvs: make rerouting optional with snat_reroute

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Add new sysctl flag "snat_reroute". Recent kernels use
ip_route_me_harder() to route LVS-NAT responses properly by
VIP when there are multiple paths to client. But setups
that do not have alternative default routes can skip this
routing lookup by using snat_reroute=0.

Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Patrick McHardy <kaber@trash.net>
This commit is contained in:
Julian Anastasov
2010-09-21 17:38:57 +02:00
committed by Patrick McHardy
parent f4bc17cdd2
commit 8a8030407f
3 changed files with 38 additions and 8 deletions
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include/net/ip_vs.h
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@@ -801,6 +801,7 @@ extern int sysctl_ip_vs_expire_quiescent_template;
extern int sysctl_ip_vs_sync_threshold[2];
extern int sysctl_ip_vs_nat_icmp_send;
extern int sysctl_ip_vs_conntrack;
extern int sysctl_ip_vs_snat_reroute;
extern struct ip_vs_stats ip_vs_stats;
extern const struct ctl_path net_vs_ctl_path[];