H3C MSR 20-12 双路由可以配置主备吗？

我们公司通过数字专线用双路由；使用配置了双路由后，部分文档图片无法发送，单独使用一条线路都能正常发送。请大神帮看一下什么原因，感谢！
一台配置如下：

 version 5.20, Release 2511P02 

#

 sysname SN-JSHA-700V-WAN-ARU-YD

 #

 undo password-control aging enable 

#

 firewall enable # domain default enable system 

#

 router id 172.17.112.14 # telnet server enable 

#

 dar p2p signature-file flash:/p2p_default.mtd 

# 

 port-security enable 

# 

 password-recovery enable 

# 

acl number 3000 

 rule 0 permit ip destination 192.168.100.0 0.0.0.255

 rule 5 permit ip destination 192.168.118.0 0.0.0.255 

 rule 10 permit ip destination 192.168.122.0 0.0.0.255 

 rule 15 deny ip rule 25 permit ip acl number 3001 

 rule 0 deny ip destination 192.168.100.0 0.0.0.255 

 rule 5 deny ip destination 192.168.118.0 0.0.0.255 

 rule 10 deny ip destination 192.168.122.0 0.0.0.255 

 rule 25 permit ip acl number 3002

rule 10 deny tcp destination-port eq 445

rule 20 deny udp destination-port eq 445 

 rule 25 permit ip

# 

vlan 1 

#

 domain system 

 access-limit disable 

 state active 

 idle-cut disable 

 self-service-url disable 

#

 traffic classifier B operator and 

 if-match acl 3001 

traffic classifier P operator and

 if-match acl 3000 

#

 traffic behavior B 

 queue af bandwidth 7168

 traffic behavior P 

 queue af bandwidth 3072 

# 

qos policy POS&BG 

 classifier P behavior P 

 classifier B behavior B 

qos policy PolicyLimit 

# 

user-group system 

 group-attribute allow-guest 

#

 local-user JSHA-XYSHGC-DX

 local-user admin 

 password cipher $c$3$== 

 authorization-attribute level 3 

 service-type ssh telnet 

 service-type web password-control length 4 

 password-control composition type-number 1 

#

 cwmp 

 undo cwmp enable 

# 

controller E1 0/0 

#

 interface Aux0 

 async mode flow 

 link-protocol ppp 

#

 interface Cellular0/0 

 async mode protocol

 link-protocol ppp 

 firewall packet-filter 4999 outbound

 #

 interface Ethernet0/0

 port link-mode route 

 firewall packet-filter 4999 outbound 

 ip address 172.17.12.252 255.255.255.0 

 ip address 172.17.12.252 255.255.255.0 sub 

 ip address 172.17.12.252 255.255.255.0 sub 

 ospf network-type broadcast 

 vrrp vrid 1 virtual-ip 172.17.12.254

 vrrp vrid 2 virtual-ip 172.17.12.254 

 vrrp vrid 3 virtual-ip 172.17.12.254 

# 

interface Ethernet0/1 

 port link-mode route 

 firewall packet-filter 4999 outbound 

 qos max-bandwidth 4000 

 ip address 172.17.112.14 255.255.255.252 

 ospf cost 1000 

 ospf network-type broadcast 

 qos reserved-bandwidth pct 100 

 qos lr outbound cir 4000 cbs 125000 ebs 0 

 qos flow-interval 1 

 qos gts acl 3020 cir 300 cbs 18750 ebs 0 queue-length 50  

undo ip fast-forwarding 

#

 interface NULL0 

#

 interface Vlan-interface1 

#

 interface Ethernet0/2 

 port link-mode bridge 

# 

interface Ethernet0/3 

 port link-mode bridge 

#

 interface Ethernet0/4 

 port link-mode bridge 

# 

ospf 100 

 peer 172.17.112.13

 area 0.0.2.5

 network 172.17.112.12 0.0.0.3

 network 172.17.12.0 0.0.0.255

 network 172.17.12.0 0.0.0.255 

 network 172.17.12.0 0.0.0.255

 nssa 

# 

# 

voice-setup 

 #

 sip 

 #

 sip-server 

 #

 call-rule-set 

 #

 call-route 

 #

 dial-program 

 #

 aaa-client 

 #

 gk-client 

# 

 snmp-agent 

 snmp-agent local-engineid 800063A20370F96D1A8940 

 snmp-agent community read suning1 

 snmp-agent sys-info version v2c v3 

 undo snmp-agent trap enable voice dial 

#

 ssh server enable 

 ssh server authentication-timeout 30 

 ssh user admin service-type stelnet authentication-type password 

# 

 load xml-configuration 

#

 load tr069-configuration 

#

 user-interface tty 12

 user-interface aux 0 

 authentication-mode password 

set authentication password cipher $c$3$wg= = 

user-interface vty 0 4 

 authentication-mode scheme 

 user privilege level 3 

 set authentication password cipher $c$3$nQ= = idle-timeout 100 0 

#

 return

另外一台配置为：

 version 5.20, Release 2511P02 

#

 sysname SN-JSHA-700V-WAN-ARU-DX

 #

 undo password-control aging enable 

#

 firewall enable # domain default enable system 

#

 router id 172.17.112.14 # telnet server enable 

#

 dar p2p signature-file flash:/p2p_default.mtd 

# 

 port-security enable 

# 

 password-recovery enable 

# 

acl number 3000 

 rule 0 permit ip destination 192.168.100.0 0.0.0.255

 rule 5 permit ip destination 192.168.118.0 0.0.0.255 

 rule 10 permit ip destination 192.168.122.0 0.0.0.255 

 rule 15 deny ip rule 25 permit ip acl number 3001 

 rule 0 deny ip destination 192.168.100.0 0.0.0.255 

 rule 5 deny ip destination 192.168.118.0 0.0.0.255 

 rule 10 deny ip destination 192.168.122.0 0.0.0.255 

 rule 25 permit ip acl number 3002

rule 10 deny tcp destination-port eq 445

rule 20 deny udp destination-port eq 445 

 rule 25 permit ip

# 

vlan 1 

#

 domain system 

 access-limit disable 

 state active 

 idle-cut disable 

 self-service-url disable 

#

 traffic classifier B operator and 

 if-match acl 3001 

traffic classifier P operator and

 if-match acl 3000 

#

 traffic behavior B 

 queue af bandwidth 7168

 traffic behavior P 

 queue af bandwidth 3072 

# 

qos policy POS&BG 

 classifier P behavior P 

 classifier B behavior B 

qos policy PolicyLimit 

# 

user-group system 

 group-attribute allow-guest 

#

 local-user JSHA-XYSHGC-DX

 local-user admin 

 password cipher $c$3$== 

 authorization-attribute level 3 

 service-type ssh telnet 

 service-type web password-control length 4 

 password-control composition type-number 1 

#

 cwmp 

 undo cwmp enable 

# 

controller E1 0/0 

#

 interface Aux0 

 async mode flow 

 link-protocol ppp 

#

 interface Cellular0/0 

 async mode protocol

 link-protocol ppp 

 firewall packet-filter 4999 outbound

 #

 interface Ethernet0/0

 port link-mode route 

 firewall packet-filter 4999 outbound 

 ip address 172.17.12.253 255.255.255.0 

 ip address 172.17.12.253 255.255.255.0 sub 

 ip address 172.17.12.253 255.255.255.0 sub 

 ospf network-type broadcast 

 vrrp vrid 1 virtual-ip 172.17.12.254

 vrrp vrid 2 virtual-ip 172.17.12.254 

 vrrp vrid 3 virtual-ip 172.17.12.254 

# 

interface Ethernet0/1 

 port link-mode route 

 firewall packet-filter 4999 outbound 

 qos max-bandwidth 4000 

 ip address 172.17.112.14 255.255.255.252 

 ospf cost 1000 

 ospf network-type broadcast 

 qos reserved-bandwidth pct 100 

 qos lr outbound cir 4000 cbs 125000 ebs 0 

 qos flow-interval 1 

 qos gts acl 3020 cir 300 cbs 18750 ebs 0 queue-length 50  

undo ip fast-forwarding 

#

 interface NULL0 

#

 interface Vlan-interface1 

#

 interface Ethernet0/2 

 port link-mode bridge 

# 

interface Ethernet0/3 

 port link-mode bridge 

#

 interface Ethernet0/4 

 port link-mode bridge 

# 

ospf 100 

 peer 172.17.112.13

 area 0.0.2.5

 network 172.17.112.12 0.0.0.3

 network 172.17.12.0 0.0.0.255

 network 172.17.12.0 0.0.0.255 

 network 172.17.12.0 0.0.0.255

 nssa 

# 

# 

voice-setup 

 #

 sip 

 #

 sip-server 

 #

 call-rule-set 

 #

 call-route 

 #

 dial-program 

 #

 aaa-client 

 #

 gk-client 

# 

 snmp-agent 

 snmp-agent local-engineid 800063A20370F96D1A8940 

 snmp-agent community read suning1 

 snmp-agent sys-info version v2c v3 

 undo snmp-agent trap enable voice dial 

#

 ssh server enable 

 ssh server authentication-timeout 30 

 ssh user admin service-type stelnet authentication-type password 

# 

 load xml-configuration 

#

 load tr069-configuration 

#

 user-interface tty 12

 user-interface aux 0 

 authentication-mode password 

set authentication password cipher $c$3$wg= = 

user-interface vty 0 4 

 authentication-mode scheme 

 user privilege level 3 

 set authentication password cipher $c$3$nQ= = idle-timeout 100 0 

#

 return