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-rw-r--r--src/plugins/nat/in2out_ed.c8
-rw-r--r--src/plugins/nat/nat.c4
2 files changed, 6 insertions, 6 deletions
diff --git a/src/plugins/nat/in2out_ed.c b/src/plugins/nat/in2out_ed.c
index 080f37e7c15..8eafb5ba7ed 100644
--- a/src/plugins/nat/in2out_ed.c
+++ b/src/plugins/nat/in2out_ed.c
@@ -217,14 +217,14 @@ nat_ed_alloc_addr_and_port (snat_main_t * sm, u32 rx_fib_index,
if (a->fib_index == rx_fib_index) \
{ \
/* first try port suggested by caller */ \
- u16 port = clib_net_to_host_u16 (*outside_port); \
+ u16 port = clib_net_to_host_u16 (*outside_port); \
u16 port_offset = port - port_thread_offset; \
if (port <= port_thread_offset || \
port > port_thread_offset + port_per_thread) \
{ \
/* need to pick a different port, suggested port doesn't fit in \
* this thread's port range */ \
- port_offset = snat_random_port (1, port_per_thread); \
+ port_offset = snat_random_port (0, port_per_thread - 1); \
port = port_thread_offset + port_offset; \
} \
u16 attempts = port_per_thread; \
@@ -240,8 +240,8 @@ nat_ed_alloc_addr_and_port (snat_main_t * sm, u32 rx_fib_index,
++a->busy_##n##_port_refcounts[port]; \
a->busy_##n##_ports_per_thread[thread_index]++; \
a->busy_##n##_ports++; \
- *outside_addr = a->addr; \
- *outside_port = clib_host_to_net_u16 (port); \
+ *outside_addr = a->addr; \
+ *outside_port = clib_host_to_net_u16 (port); \
return 0; \
} \
port_offset = (port_offset + 1) % port_per_thread; \
diff --git a/src/plugins/nat/nat.c b/src/plugins/nat/nat.c
index c4c5dd87c86..fa62250cb1c 100644
--- a/src/plugins/nat/nat.c
+++ b/src/plugins/nat/nat.c
@@ -2893,7 +2893,7 @@ nat_alloc_addr_and_port_default (snat_address_t * addresses,
{ \
portnum = (port_per_thread * \
snat_thread_index) + \
- snat_random_port(1, port_per_thread) + 1024; \
+ snat_random_port(0, port_per_thread - 1) + 1024; \
if (a->busy_##n##_port_refcounts[portnum]) \
continue; \
--a->busy_##n##_port_refcounts[portnum]; \
@@ -2930,7 +2930,7 @@ nat_alloc_addr_and_port_default (snat_address_t * addresses,
{ \
portnum = (port_per_thread * \
snat_thread_index) + \
- snat_random_port(1, port_per_thread) + 1024; \
+ snat_random_port(0, port_per_thread - 1) + 1024; \
if (a->busy_##n##_port_refcounts[portnum]) \
continue; \
++a->busy_##n##_port_refcounts[portnum]; \