网速慢

MSR3610+S5110-28P-PWR(三层)+四个二层交换机组网比MSR3610+五个二层交换机组网网速慢很多，且时常断网，请问该怎么优化提升网速，外网是电信的两条宽带100M,300MMSR3610配置如下： dis cu #  version 7.1.064, Release 0605P13 #  sysname H3C #  clock timezone Beijing add 08:00:00  clock protocol ntp #  dialer-group 1 rule ip permit  dialer-group 2 rule ip permit #  dhcp enable  dhcp server always-broadcast #  dns proxy enable #  password-recovery enable # vlan 1 # dhcp server ip-pool lan1  gateway-list 192.168.0.1  network 192.168.0.0 mask 255.255.254.0  address range 192.168.1.2 192.168.1.254  dns-list 192.168.0.1 #               controller Cellular0/0 #               controller Cellular0/1 #               interface Aux0 #               interface Dialer0  ppp chap password cipher $c$3$NDQBSfHhed2s594iitUREGyAd3Cq+Ugkyg==  ppp chap user 057652196878  ppp ipcp dns admit-any  ppp ipcp dns request  ppp pap local-user 057652196878 password cipher $c$3$tTRuF52xMKlnsVj4/SH9YA81GfKKWzzrHg==  dialer bundle enable  dialer-group 1  dialer timer idle 0  dialer timer autodial 5  ip address ppp-negotiate  nat outbound 3000 #               interface Dialer1  ppp chap password cipher $c$3$NTaO4bdABqnPzvITre71/Lcbu+4RSPf7xg==  ppp chap user 057657225372  ppp ipcp dns admit-any  ppp ipcp dns request  ppp pap local-user 057657225372 password cipher $c$3$GPI5Dff0hROxCXg//s8yXaW8AqgIsVoCOA==  dialer bundle enable  dialer-group 2  dialer timer idle 0  dialer timer autodial 5  ip address ppp-negotiate  nat outbound 3000 #               interface Virtual-Template0 #               interface NULL0 #               interface GigabitEthernet0/0  port link-mode route  combo enable copper  ip address 192.168.0.1 255.255.254.0  tcp mss 1280    undo dhcp select server #               interface GigabitEthernet0/1  port link-mode route  description Multiple_Line  pppoe-client dial-bundle-number 0 #               interface GigabitEthernet0/2  port link-mode route  description Multiple_Line  pppoe-client dial-bundle-number 1 #               security-zone name Local #               security-zone name Trust #               security-zone name DMZ #               security-zone name Untrust #               security-zone name Management #                scheduler logfile size 16 #               line class aux  user-role network-admin #               line class tty  user-role network-operator #               line class vty  user-role network-operator #               line aux 0       user-role network-admin #               line vty 0 63    authentication-mode scheme  user-role network-operator #                ip route-static 0.0.0.0 0 Dialer0  ip route-static 0.0.0.0 0 Dialer1  ip route-static 192.168.2.0 24 192.168.0.253  ip route-static 192.168.3.0 24 192.168.0.253  ip route-static 192.168.4.0 24 192.168.0.253 #                ntp-service enable #               acl advanced 3000  rule 100 deny ip source 192.168.4.0 0.0.0.255  rule 200 permit ip #               domain system   #                domain default enable system #               role name level-0  description Predefined level-0 role #               role name level-1  description Predefined level-1 role #               role name level-2  description Predefined level-2 role #               role name level-3  description Predefined level-3 role #               role name level-4  description Predefined level-4 role #               role name level-5  description Predefined level-5 role #               role name level-6  description Predefined level-6 role #               role name level-7  description Predefined level-7 role #               role name level-8  description Predefined level-8 role #               role name level-9  description Predefined level-9 role #               role name level-10  description Predefined level-10 role #               role name level-11  description Predefined level-11 role #               role name level-12  description Predefined level-12 role #               role name level-13  description Predefined level-13 role #               role name level-14  description Predefined level-14 role #               user-group system #               local-user admin class manage  password hash $h$6$we9tKLJbkCnTWNQB$jv2z96DGrtbqx3AKwuHTNtggbAA/RmELvr8qXqv4hv0AzuNq5b3JIw/Bh7of0OBSwbuGRu0qk+bd0ibiIiByFA==  service-type telnet http  authorization-attribute user-role network-admin #                ip http enable #               wlan global-configuration  control-address disable #               wlan ap-group default-group #               return    S5110-28P-PWR配置如下： dis cu #  version 5.20.99, Release 1113 #  sysname JK-AS02-S5110 #  domain default enable system #  ipv6 #  telnet server enable #  password-recovery enable # vlan 1 # vlan 10 # vlan 20 # vlan 30 # domain system  access-limit disable  state active     idle-cut disable  self-service-url disable #                dhcp server ip-pool vlan10  network 192.168.2.0 mask 255.255.255.0  gateway-list 192.168.2.1  dns-list 60.191.134.196 #                dhcp server ip-pool vlan20  network 192.168.3.0 mask 255.255.255.0  gateway-list 192.168.3.1  dns-list 60.191.134.196 #                dhcp server ip-pool vlan30  network 192.168.4.0 mask 255.255.255.0  gateway-list 192.168.4.1  dns-list 60.191.134.196 #                user-group system  group-attribute allow-guest #                local-user admin  password cipher $c$3$QnHquwkJIPmN4NwdsiwYIfw+M3yTHkGbWyuodw==  authorization-attribute level 3  service-type ssh telnet  service-type web #                 stp enable      #                interface NULL0 #                interface Vlan-interface1  ip address 192.168.0.253 255.255.254.0 #                interface Vlan-interface10  ip address 192.168.2.1 255.255.255.0 #                interface Vlan-interface20  ip address 192.168.3.1 255.255.255.0 #                interface Vlan-interface30  ip address 192.168.4.1 255.255.255.0 #                interface GigabitEthernet1/0/1  poe enable       stp edged-port enable #                interface GigabitEthernet1/0/2  port access vlan 10  poe enable       stp edged-port enable #                interface GigabitEthernet1/0/3  port access vlan 10  poe enable       stp edged-port enable #                interface GigabitEthernet1/0/4  port access vlan 10  poe enable       stp edged-port enable #                interface GigabitEthernet1/0/5  port access vlan 10  poe enable       stp edged-port enable

MSR3610+S5110-28P-PWR(三层)+四个二层交换机组网比MSR3610+五个二层交换机组网网速慢很多，且时常断网，请问该怎么优化提升网速，外网是电信的两条宽带100M,300MMSR3610配置如下： dis cu #  version 7.1.064, Release 0605P13 #  sysname H3C #  clock timezone Beijing add 08:00:00  clock protocol ntp #  dialer-group 1 rule ip permit  dialer-group 2 rule ip permit #  dhcp enable  dhcp server always-broadcast #  dns proxy enable #  password-recovery enable # vlan 1 # dhcp server ip-pool lan1  gateway-list 192.168.0.1  network 192.168.0.0 mask 255.255.254.0  address range 192.168.1.2 192.168.1.254  dns-list 192.168.0.1 #               controller Cellular0/0 #               controller Cellular0/1 #               interface Aux0 #               interface Dialer0  ppp chap password cipher $c$3$NDQBSfHhed2s594iitUREGyAd3Cq+Ugkyg==  ppp chap user 057652196878  ppp ipcp dns admit-any  ppp ipcp dns request  ppp pap local-user 057652196878 password cipher $c$3$tTRuF52xMKlnsVj4/SH9YA81GfKKWzzrHg==  dialer bundle enable  dialer-group 1  dialer timer idle 0  dialer timer autodial 5  ip address ppp-negotiate  nat outbound 3000 #               interface Dialer1  ppp chap password cipher $c$3$NTaO4bdABqnPzvITre71/Lcbu+4RSPf7xg==  ppp chap user 057657225372  ppp ipcp dns admit-any  ppp ipcp dns request  ppp pap local-user 057657225372 password cipher $c$3$GPI5Dff0hROxCXg//s8yXaW8AqgIsVoCOA==  dialer bundle enable  dialer-group 2  dialer timer idle 0  dialer timer autodial 5  ip address ppp-negotiate  nat outbound 3000 #               interface Virtual-Template0 #               interface NULL0 #               interface GigabitEthernet0/0  port link-mode route  combo enable copper  ip address 192.168.0.1 255.255.254.0  tcp mss 1280    undo dhcp select server #               interface GigabitEthernet0/1  port link-mode route  description Multiple_Line  pppoe-client dial-bundle-number 0 #               interface GigabitEthernet0/2  port link-mode route  description Multiple_Line  pppoe-client dial-bundle-number 1 #               security-zone name Local #               security-zone name Trust #               security-zone name DMZ #               security-zone name Untrust #               security-zone name Management #                scheduler logfile size 16 #               line class aux  user-role network-admin #               line class tty  user-role network-operator #               line class vty  user-role network-operator #               line aux 0       user-role network-admin #               line vty 0 63    authentication-mode scheme  user-role network-operator #                ip route-static 0.0.0.0 0 Dialer0  ip route-static 0.0.0.0 0 Dialer1  ip route-static 192.168.2.0 24 192.168.0.253  ip route-static 192.168.3.0 24 192.168.0.253  ip route-static 192.168.4.0 24 192.168.0.253 #                ntp-service enable #               acl advanced 3000  rule 100 deny ip source 192.168.4.0 0.0.0.255  rule 200 permit ip #               domain system   #                domain default enable system #               role name level-0  description Predefined level-0 role #               role name level-1  description Predefined level-1 role #               role name level-2  description Predefined level-2 role #               role name level-3  description Predefined level-3 role #               role name level-4  description Predefined level-4 role #               role name level-5  description Predefined level-5 role #               role name level-6  description Predefined level-6 role #               role name level-7  description Predefined level-7 role #               role name level-8  description Predefined level-8 role #               role name level-9  description Predefined level-9 role #               role name level-10  description Predefined level-10 role #               role name level-11  description Predefined level-11 role #               role name level-12  description Predefined level-12 role #               role name level-13  description Predefined level-13 role #               role name level-14  description Predefined level-14 role #               user-group system #               local-user admin class manage  password hash $h$6$we9tKLJbkCnTWNQB$jv2z96DGrtbqx3AKwuHTNtggbAA/RmELvr8qXqv4hv0AzuNq5b3JIw/Bh7of0OBSwbuGRu0qk+bd0ibiIiByFA==  service-type telnet http  authorization-attribute user-role network-admin #                ip http enable #               wlan global-configuration  control-address disable #               wlan ap-group default-group #               return    S5110-28P-PWR配置如下： dis cu #  version 5.20.99, Release 1113 #  sysname JK-AS02-S5110 #  domain default enable system #  ipv6 #  telnet server enable #  password-recovery enable # vlan 1 # vlan 10 # vlan 20 # vlan 30 # domain system  access-limit disable  state active     idle-cut disable  self-service-url disable #                dhcp server ip-pool vlan10  network 192.168.2.0 mask 255.255.255.0  gateway-list 192.168.2.1  dns-list 60.191.134.196 #                dhcp server ip-pool vlan20  network 192.168.3.0 mask 255.255.255.0  gateway-list 192.168.3.1  dns-list 60.191.134.196 #                dhcp server ip-pool vlan30  network 192.168.4.0 mask 255.255.255.0  gateway-list 192.168.4.1  dns-list 60.191.134.196 #                user-group system  group-attribute allow-guest #                local-user admin  password cipher $c$3$QnHquwkJIPmN4NwdsiwYIfw+M3yTHkGbWyuodw==  authorization-attribute level 3  service-type ssh telnet  service-type web #                 stp enable      #                interface NULL0 #                interface Vlan-interface1  ip address 192.168.0.253 255.255.254.0 #                interface Vlan-interface10  ip address 192.168.2.1 255.255.255.0 #                interface Vlan-interface20  ip address 192.168.3.1 255.255.255.0 #                interface Vlan-interface30  ip address 192.168.4.1 255.255.255.0 #                interface GigabitEthernet1/0/1  poe enable       stp edged-port enable #                interface GigabitEthernet1/0/2  port access vlan 10  poe enable       stp edged-port enable #                interface GigabitEthernet1/0/3  port access vlan 10  poe enable       stp edged-port enable #                interface GigabitEthernet1/0/4  port access vlan 10  poe enable       stp edged-port enable #                interface GigabitEthernet1/0/5  port access vlan 10  poe enable       stp edged-port enable