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-rw-r--r--test/template_ipsec.py34
1 files changed, 34 insertions, 0 deletions
diff --git a/test/template_ipsec.py b/test/template_ipsec.py
index ce188622a9e..def31cbebbd 100644
--- a/test/template_ipsec.py
+++ b/test/template_ipsec.py
@@ -1695,6 +1695,40 @@ class IpsecTun6(object):
self.logger.info(self.vapi.ppcli("show ipsec all"))
self.verify_counters6(p, p, count)
+ def verify_keepalive(self, p):
+ # the sizeof Raw is calculated to pad to the minimum ehternet
+ # frame size of 64 btyes
+ pkt = (
+ Ether(src=self.tun_if.remote_mac, dst=self.tun_if.local_mac)
+ / IPv6(src=p.remote_tun_if_host, dst=self.tun_if.local_ip6)
+ / UDP(sport=333, dport=4500)
+ / Raw(b"\xff")
+ / Padding(0 * 1)
+ )
+ self.send_and_assert_no_replies(self.tun_if, pkt * 31)
+ self.assert_error_counter_equal(
+ "/err/%s/nat_keepalive" % self.tun6_input_node, 31
+ )
+
+ pkt = (
+ Ether(src=self.tun_if.remote_mac, dst=self.tun_if.local_mac)
+ / IPv6(src=p.remote_tun_if_host, dst=self.tun_if.local_ip6)
+ / UDP(sport=333, dport=4500)
+ / Raw(b"\xfe")
+ )
+ self.send_and_assert_no_replies(self.tun_if, pkt * 31)
+ self.assert_error_counter_equal("/err/%s/too_short" % self.tun6_input_node, 31)
+
+ pkt = (
+ Ether(src=self.tun_if.remote_mac, dst=self.tun_if.local_mac)
+ / IPv6(src=p.remote_tun_if_host, dst=self.tun_if.local_ip6)
+ / UDP(sport=333, dport=4500)
+ / Raw(b"\xfe")
+ / Padding(0 * 21)
+ )
+ self.send_and_assert_no_replies(self.tun_if, pkt * 31)
+ self.assert_error_counter_equal("/err/%s/too_short" % self.tun6_input_node, 62)
+
class IpsecTun6Tests(IpsecTun6):
"""UT test methods for Tunnel v6"""