模拟器vxlan客户端学不到分布式网关的mac

用模拟器做vxlan分布式网关实验，客户端与SWA互联，透传vlanid100，配置完成后，发现SWA网关能学习到客户端的mac地址，但客户端学不到SWA网关的mac地址，也ping不通，在客户端静态绑定SWA网关10.1.1.1的mac地址后，就能ping通了，为什么？

sysname SWA

#

ospf 1

 area 0.0.0.0

  network 1.1.1.0 0.0.0.255

  network 2.1.1.0 0.0.0.255

  network 6.6.6.6 0.0.0.0

#

vlan 1         

#

vlan 100

#

vlan 200

#

 l2vpn enable

#

vsi vpna

 gateway vsi-interface 1

 arp suppression enable

 vxlan 10

  tunnel 1

#

vsi vpnb

 gateway vsi-interface 2

 vxlan 20

  tunnel 1

#

interface LoopBack0

 ip address 6.6.6.6 255.255.255.255

#

interface GigabitEthernet1/0/1

 port link-mode route

 combo enable fiber

 ip address 1.1.1.1 255.255.255.0

#

interface GigabitEthernet1/0/2

 port link-mode route

 combo enable fiber

 ip address 2.1.1.1 255.255.255.0

#

interface GigabitEthernet1/0/3

 port link-mode bridge

 port link-type trunk

 undo port trunk permit vlan 1

 port trunk permit vlan 100 200

 combo enable fiber

 #

 service-instance 100

  encapsulation s-vid 100

  xconnect vsi vpna

 #

 service-instance 200

  encapsulation s-vid 200

  xconnect vsi vpnb

#

interface Vsi-interface1

 ip address 10.1.1.1 255.255.255.0

 mac-address 0001-0001-0001

 local-proxy-arp enable  

 distributed-gateway local

#

interface Vsi-interface2

 ip address 10.1.2.1 255.255.255.0

 mac-address 0002-0002-0002

 local-proxy-arp enable  

 distributed-gateway local

#

interface Tunnel1 mode vxlan

 source 6.6.6.6

 destination 8.8.8.8

#

 arp distributed-gateway dynamic-entry synchronize

VM客户端配置：

 vlan 100

interface Vlan-interface100

 ip address 10.1.1.11 255.255.255.0

#

interface GigabitEthernet1/0/1

 port link-mode bridge

 port link-type trunk

 undo port trunk permit vlan 1

 port trunk permit vlan 100

 combo enable fiber