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-rwxr-xr-xsrc/plugins/nat/nat.c30
1 files changed, 20 insertions, 10 deletions
diff --git a/src/plugins/nat/nat.c b/src/plugins/nat/nat.c
index ab951cf407c..8e4d9df929c 100755
--- a/src/plugins/nat/nat.c
+++ b/src/plugins/nat/nat.c
@@ -1629,12 +1629,18 @@ int snat_interface_add_del (u32 sw_if_index, u8 is_inside, int is_del)
sw_if_index, 0, 0, 0);
vnet_feature_enable_disable ("ip4-unicast", feature_name,
sw_if_index, 1, 0, 0);
+ if (!is_inside)
+ vnet_feature_enable_disable ("ip4-local", "nat44-hairpinning",
+ sw_if_index, 1, 0, 0);
}
else
{
vnet_feature_enable_disable ("ip4-unicast", feature_name,
sw_if_index, 0, 0, 0);
pool_put (sm->interfaces, i);
+ if (is_inside)
+ vnet_feature_enable_disable ("ip4-local", "nat44-hairpinning",
+ sw_if_index, 0, 0, 0);
}
}
else
@@ -1665,6 +1671,9 @@ int snat_interface_add_del (u32 sw_if_index, u8 is_inside, int is_del)
sw_if_index, 0, 0, 0);
vnet_feature_enable_disable ("ip4-unicast", feature_name,
sw_if_index, 1, 0, 0);
+ if (!is_inside)
+ vnet_feature_enable_disable ("ip4-local", "nat44-hairpinning",
+ sw_if_index, 0, 0, 0);
goto set_flags;
}
@@ -1680,21 +1689,21 @@ int snat_interface_add_del (u32 sw_if_index, u8 is_inside, int is_del)
i->flags = 0;
vnet_feature_enable_disable ("ip4-unicast", feature_name, sw_if_index, 1, 0, 0);
+ if (is_inside && !sm->out2in_dpo)
+ vnet_feature_enable_disable ("ip4-local", "nat44-hairpinning",
+ sw_if_index, 1, 0, 0);
+
set_flags:
if (is_inside)
- i->flags |= NAT_INTERFACE_FLAG_IS_INSIDE;
+ {
+ i->flags |= NAT_INTERFACE_FLAG_IS_INSIDE;
+ return 0;
+ }
else
i->flags |= NAT_INTERFACE_FLAG_IS_OUTSIDE;
/* Add/delete external addresses to FIB */
fib:
- if (is_inside && !sm->out2in_dpo)
- {
- vnet_feature_enable_disable ("ip4-local", "nat44-hairpinning",
- sw_if_index, !is_del, 0, 0);
- return 0;
- }
-
vec_foreach (ap, sm->addresses)
snat_add_del_addr_to_fib(&ap->addr, 32, sw_if_index, !is_del);
@@ -2751,12 +2760,13 @@ u8 * format_snat_static_mapping (u8 * s, va_list * args)
nat44_lb_addr_port_t *local;
if (m->addr_only)
- s = format (s, "local %U external %U vrf %d %s",
+ s = format (s, "local %U external %U vrf %d %s %s",
format_ip4_address, &m->local_addr,
format_ip4_address, &m->external_addr,
m->vrf_id,
m->twice_nat == TWICE_NAT ? "twice-nat" :
- m->twice_nat == TWICE_NAT_SELF ? "self-twice-nat" : "");
+ m->twice_nat == TWICE_NAT_SELF ? "self-twice-nat" : "",
+ m->out2in_only ? "out2in-only" : "");
else
{
if (vec_len (m->locals))