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-rw-r--r--src/vnet/fib/fib_test.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/src/vnet/fib/fib_test.c b/src/vnet/fib/fib_test.c
index ddea6b86e7e..486e5616798 100644
--- a/src/vnet/fib/fib_test.c
+++ b/src/vnet/fib/fib_test.c
@@ -2977,6 +2977,36 @@ fib_test_v4 (void)
fib_entry_pool_size());
/*
+ * Make the default route recursive via a unknown next-hop. Thus the
+ * next hop's cover would be the default route
+ */
+ fei = fib_table_entry_path_add(fib_index,
+ &pfx_0_0_0_0_s_0,
+ FIB_SOURCE_API,
+ FIB_ENTRY_FLAG_NONE,
+ FIB_PROTOCOL_IP4,
+ &pfx_23_23_23_23_s_32.fp_addr,
+ ~0, // recursive
+ fib_index,
+ 1,
+ NULL,
+ FIB_ROUTE_PATH_FLAG_NONE);
+ dpo = fib_entry_contribute_ip_forwarding(fei);
+ FIB_TEST(load_balance_is_drop(dpo),
+ "0.0.0.0.0/0 via is DROP");
+ FIB_TEST((fib_entry_get_resolving_interface(fei) == ~0),
+ "no resolving interface for looped 0.0.0.0/0");
+
+ fei = fib_table_lookup_exact_match(fib_index, &pfx_23_23_23_23_s_32);
+ dpo = fib_entry_contribute_ip_forwarding(fei);
+ FIB_TEST(load_balance_is_drop(dpo),
+ "23.23.23.23/32 via is DROP");
+ FIB_TEST((fib_entry_get_resolving_interface(fei) == ~0),
+ "no resolving interface for looped 23.23.23.23/32");
+
+ fib_table_entry_delete(fib_index, &pfx_0_0_0_0_s_0, FIB_SOURCE_API);
+
+ /*
* A recursive route with recursion constraints.
* 200.200.200.200/32 via 1.1.1.1 is recurse via host constrained
*/