- IP6 to GRE6 encap on per-port vip case
- IP4 to L3DSR encap on vip case
- IP4 to L3DSR encap on per-port vip case
+ - IP4 to L3DSR encap on per-port vip with src_ip_sticky case
- IP4 to NAT4 encap on per-port vip case
- IP6 to NAT6 encap on per-port vip case
super(TestLB, cls).setUpClass()
cls.ass = range(5)
- cls.packets = range(1)
+ cls.packets = range(100)
try:
cls.create_pg_interfaces(range(2))
scapy.compat.raw(inner), scapy.compat.raw(self.info.data[IPver])
)
- def checkCapture(self, encap, isv4):
+ def checkCapture(self, encap, isv4, src_ip_sticky=False):
self.pg0.assert_nothing_captured()
out = self.pg1.get_capture(len(self.packets))
load = [0] * len(self.ass)
+ sticky_as = {}
self.info = None
for p in out:
try:
udp = UDP(scapy.compat.raw(p[IPv6].payload))
self.assertEqual(udp.dport, 3307)
load[asid] += 1
+
+ # In case of source ip sticky, check that packets with same
+ # src_ip are routed to same as.
+ if src_ip_sticky and sticky_as.get(ip.src, asid) != asid:
+ raise Exception("Packets with same src_ip are routed to another as")
+ sticky_as[ip.src] = asid
+
except:
self.logger.error(ppp("Unexpected or invalid packet:", p))
raise
self.vapi.cli("lb vip 90.0.0.0/8 encap l3dsr dscp 7 del")
self.vapi.cli("test lb flowtable flush")
+ def test_lb_ip4_l3dsr_src_ip_sticky(self):
+ """Load Balancer IP4 L3DSR on vip with src_ip_sticky case"""
+ try:
+ self.vapi.cli("lb vip 90.0.0.0/8 encap l3dsr dscp 7 src_ip_sticky")
+ for asid in self.ass:
+ self.vapi.cli("lb as 90.0.0.0/8 10.0.0.%u" % (asid))
+
+ # Generate duplicated packets
+ pkts = self.generatePackets(self.pg0, isv4=True)
+ pkts = pkts[: len(pkts) // 2]
+ pkts = pkts + pkts
+
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.checkCapture(encap="l3dsr", isv4=True, src_ip_sticky=True)
+
+ finally:
+ for asid in self.ass:
+ self.vapi.cli("lb as 90.0.0.0/8 10.0.0.%u del" % (asid))
+ self.vapi.cli("lb vip 90.0.0.0/8 encap l3dsr dscp 7 src_ip_sticky del")
+ self.vapi.cli("test lb flowtable flush")
+
def test_lb_ip4_l3dsr_port(self):
"""Load Balancer IP4 L3DSR on per-port-vip case"""
try:
)
self.vapi.cli("test lb flowtable flush")
+ def test_lb_ip4_l3dsr_port_src_ip_sticky(self):
+ """Load Balancer IP4 L3DSR on per-port-vip with src_ip_sticky case"""
+ try:
+ # This VIP at port 1000 does not receive packets, but is defined
+ # as a dummy to verify that the src_ip_sticky flag can be set
+ # independently for each port.
+ self.vapi.cli(
+ "lb vip 90.0.0.0/8 protocol udp port 10000 encap l3dsr dscp 7"
+ )
+ self.vapi.cli(
+ "lb vip 90.0.0.0/8 protocol udp port 20000 encap l3dsr dscp 7 src_ip_sticky"
+ )
+ for asid in self.ass:
+ self.vapi.cli(
+ "lb as 90.0.0.0/8 protocol udp port 20000 10.0.0.%u" % (asid)
+ )
+
+ # Generate duplicated packets
+ pkts = self.generatePackets(self.pg0, isv4=True)
+ pkts = pkts[: len(pkts) // 2]
+ pkts = pkts + pkts
+
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.checkCapture(encap="l3dsr", isv4=True, src_ip_sticky=True)
+
+ finally:
+ for asid in self.ass:
+ self.vapi.cli(
+ "lb as 90.0.0.0/8 protocol udp port 20000 10.0.0.%u del" % (asid)
+ )
+ self.vapi.cli(
+ "lb vip 90.0.0.0/8 protocol udp port 20000 encap l3dsr dscp 7 src_ip_sticky del"
+ )
+ self.vapi.cli(
+ "lb vip 90.0.0.0/8 protocol udp port 10000 encap l3dsr dscp 7 del"
+ )
+ self.vapi.cli("test lb flowtable flush")
+
def test_lb_ip4_nat4_port(self):
"""Load Balancer IP4 NAT4 on per-port-vip case"""
try: