h3c secpath f100-c-g 配置pppoe拨号网速慢

h3c secpath f100-c-g 配置pppoe拨号网速慢，改自动获取ip可以达到950M怎么解决

interface Dialer1

 nat outbound 2000

 link-protocol ppp

 ppp chap user 02368810622

 ppp chap password cipher $c$3$MeApFRATUp21KSjfWyc8YAtDJU2zAxpZhQ==

 ppp pap local-user 02368810622 password cipher $c$3$TG2yEc2MD4wj5cGIE7/NxbnDquzLo+a2Gw==

 ppp ipcp dns request

 mtu 1480

 ip address ppp-negotiate

 tcp mss 1024

 dialer user pppoeclient

 dialer-group 1

 dialer bundle 1

# 

#

interface GigabitEthernet0/4

 port link-mode route

 nat server 3000 protocol tcp global current-interface 52 inside 192.168.2.200 52

 nat server 3000 protocol tcp global current-interface 8282 inside 192.168.2.200 8282

 pppoe-client dial-bundle-number 1

 duplex full

 speed 1000

 ip address dhcp-alloc

#

interface GigabitEthernet0/1

 port link-mode bridge

 port access vlan 20

#

interface GigabitEthernet0/2

 port link-mode bridge

 port access vlan 20

#

interface GigabitEthernet0/3

 port link-mode bridge

 port access vlan 20

#

vd Root id 1

#

zone name Management id 0

 priority 100

 import interface GigabitEthernet0/0

zone name Local id 1

 priority 100

zone name Trust id 2

 priority 85

 import interface Vlan-interface20

zone name DMZ id 3

 priority 50

zone name Untrust id 4

 priority 5     

 import interface Dialer1

 import interface GigabitEthernet0/4

switchto vd Root

 zone name Management id 0

 ip virtual-reassembly

 zone name Local id 1

 ip virtual-reassembly

 zone name Trust id 2

 ip virtual-reassembly

 zone name DMZ id 3

 ip virtual-reassembly

 zone name Untrust id 4

 ip virtual-reassembly

 interzone source Local destination Untrust

  rule 0 permit

   source-ip any_address

   destination-ip any_address

   service any_service

   rule enable

 interzone source Trust destination Untrust

  rule 0 permit

   source-ip any_address

   destination-ip any_address

   service any_service

   rule enable

 interzone source Untrust destination Trust

  rule acl 2000

  rule acl 3000

  rule acl enable

#

 ip route-static 0.0.0.0 0.0.0.0 Dialer1

#

 dhcp enable