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07-H3C vBRAS支持IPoE Web逃生功能典型配置举例-5W100
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H3C vBRAS系列虚拟宽带远程接入服务器IPoE Web逃生功能典型配置举例
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目 录
本文档介绍H3C vBRAS系列虚拟路由器IPoE Web逃生功能典型配置举例。H3C vBRAS虚拟路由器有别于H3C公司以往的各系列物理路由器，是一款运行在标准服务器虚拟机上的纯软件路由器产品。IPoE Web逃生功能是在当检测到Portal服务器不可达时，将认证前域用户切换到逃生组可以直接访问外网；当检测到Portal服务器可达时，用户回到认证前状态，需进行认证方可访问外网；认证成功用户不受影响。
· 本文档不严格与具体软、硬件版本对应，如果使用过程中与产品实际情况有差异，请参考相关产品手册，或以设备实际情况为准。
· 本文档中的配置均是在实验室环境下进行的配置和验证，配置前设备的所有参数均采用出厂时的缺省配置。如果您已经对设备进行了配置，为了保证配置效果，请确认现有配置和以下举例中的配置不冲突。
· 本文档假设您已了解ACL、QOS、策略路由、AAA、NQA、TRACK等特性。
如图1所示：
· Host作为 DHCP Client经由VXLAN网络以IPoE方式接入到vBRAS接入设备。
· vBRAS作为DHCP服务器为Host动态分配IP地址。
· RADIUS服务器通过交换机与vBRAS路由可达。
· 由一台已安装H3C iMC的服务器承担Portal认证服务器和Portal Web服务器的职责。
图1 IPoE Web逃生功能典型配置举例组网图
设备配置IPoE Web认证。在IPoE Web配置基础上配置NQA和Track实例并使之联动，配置逃生用户组，在ACL中配置逃生组用户流量通过；最后在IPoE Web接入接口下配置逃生用户组与Track项关联，当检测到Portal服务器不可达时，将认证前域用户切换到逃生组可以直接访问外网；当检测到Portal服务器可达时，用户回到认证前状态，需进行认证方可访问外网。
本举例是在vBRAS1000_H3C-CMW710-E1116-X64版本上进行配置和验证的。
建议将IPoE Web认证与Portal认证配置在不同接口上。
# 配置IPoE Web认证（配置过程略）。
# 配置NQA探测，用于检测Portal服务器是否可达。
<vBRAS> system
[vBRAS] nqa entry 1 1
[vBRAS-nqa-1-1] type icmp-echo
[vBRAS-nqa-1-1] quit
# 配置目的IP为Portal服务器IP地址。
[vBRAS-nqa-1-1] destination ip 28.28.28.100
[vBRAS-nqa-1-1] frequency 500
[vBRAS-nqa-1-1] history-record enable
[vBRAS-nqa-1-1] history-record number 10
[vBRAS—nqa-1-1] probe count 3
[vBRAS-nqa-1-1] probe timeout 500
[vBRAS—nqa-1-1] reaction 1 checked-element probe-fail threshold-type consecutive 3 action-type trigger-only
[vBRAS-nqa-1-1] quit
# 配置Track，关联NQA实例。
[vBRAS] track 11 nqa entry 1 1 reaction 1
# 配置NQA测试组启动并持续测试。
[vBRAS] nqa schedule 1 1 start-time now lifetime forever
# 配置逃生组。
[vBRAS] user-group fail
[vBRAS-fail] quit
# 在QOS策略中允许通过的ACL规则中添加允许逃生用户组的IP报文通过。
[vBRAS] acl advanced 3525
[vBRAS-acl-ipv4-adv-3525] rule 10 permit ip user-group fail
[vBRAS-acl-ipv4-adv-3525] quit
# 接口下配置逃生用户组与Track项关联，当track 11检测失败时，将用户迁移到逃生用户组。
[vBRAS] interface vsi-interface 1
[vBRAS-Vsi-interface1] ip subscriber pre-auth track 11 fail-permit user-group fail
# 在vBRAS查看用户状态，用户处于正常的认证前用户组，无法访问外网。
[vBRAS] display ip subscriber session verbose
Basic:
Description : -
Username : ipoe
Domain : a-wifi_pre
VPN instance : N/A
IP address : 11.0.89.53
User address type : N/A
MAC address : 000c-2956-4dcc
Service-VLAN/Customer-VLAN : -/-
Access interface : Vsi1
User ID : 0x38200008
VPI/VCI(for ATM) : -/-
VSI Index : 0
VSI link ID : 83886080
VXLAN ID : 1002
DNS servers : 27.27.27.200
IPv6 DNS servers : N/A
DHCP lease : 86400 sec
DHCP remain lease : 86384 sec
Access time : Mar 30 09:15:56 2018
Online time(hh:mm:ss) : 00:00:15
Service node : Slot 1 CPU 0
Authentication type : Web pre-auth
IPv4 access type : DHCP
IPv4 detect state : N/A
State : Online
AAA:
ITA policy name : N/A
IP pool : a-wifi_pre
IPv6 pool : N/A
Primary DNS server : N/A
Secondary DNS server : N/A
Primary IPv6 DNS server : N/A
Secondary IPv6 DNS server : N/A
Session idle cut : N/A
Session duration : 111 sec, remaining: 95 sec
Traffic quota : N/A
Traffic remained : N/A
Acct start-fail action : Online
Acct update-fail action : Online
Acct quota-out action : Offline
Dual-stack accounting mode : Merge
Max IPv4 multicast addresses: 4
IPv4 multicast address list : N/A
Max IPv6 multicast addresses: 4
IPv6 multicast address list : N/A
Accounting start time : Mar 30 09:15:56 2018
Redirect URL : http://28.28.28.100:8080/portal
QoS:
User profile : N/A
Session group profile : N/A
User group ACL : a-wifi (active)
Inbound CAR : N/A
Outbound CAR : N/A
Inbound user priority : N/A
Outbound user priority : N/A
Flow statistic:
Uplink packets/bytes : 0/0
Downlink packets/bytes : 0/0
IPv6 uplink packets/bytes : 0/0
IPv6 downlink packets/bytes : 0/0
C:\Windows\system32>ping 29.29.0.1
正在 Ping 29.29.0.1 具有 32 字节的数据:
请求超时。
请求超时。
请求超时。
请求超时。
29.29.0.1 的 Ping 统计信息:
数据包: 已发送 = 4，已接收 = 0，丢失 = 4 (100% 丢失)
# 当Portal 服务器不可达，查看用户迁移到逃生用户组。
[A-Wifi]ping 28.28.28.100
Ping 28.28.28.100 (28.28.28.100): 56 data bytes, press CTRL_C to break
Request time out
Request time out
Request time out
Request time out
Request time out
--- Ping statistics for 28.28.28.100 ---
5 packet(s) transmitted, 0 packet(s) received, 100.0% packet loss
[A-Wifi]display ip subscriber session verbose
Basic:
Description : -
Username : ipoe
Domain : a-wifi_pre
VPN instance : N/A
IP address : 11.0.89.53
User address type : N/A
MAC address : 000c-2956-4dcc
Service-VLAN/Customer-VLAN : -/-
Access interface : Vsi1
User ID : 0x3820000a
VPI/VCI(for ATM) : -/-
VSI Index : 0
VSI link ID : 83886080
VXLAN ID : 1002
DNS servers : 27.27.27.200
IPv6 DNS servers : N/A
DHCP lease : 86400 sec
DHCP remain lease : 86367 sec
Access time : Mar 30 09:19:39 2018
Online time(hh:mm:ss) : 00:00:33
Service node : Slot 1 CPU 0
Authentication type : Web pre-auth
IPv4 access type : DHCP
IPv4 detect state : N/A
State : Online
AAA:
ITA policy name : N/A
IP pool : a-wifi_pre
IPv6 pool : N/A
Primary DNS server : N/A
Secondary DNS server : N/A
Primary IPv6 DNS server : N/A
Secondary IPv6 DNS server : N/A
Session idle cut : N/A
Session duration : 111 sec, remaining: 78 sec
Traffic quota : N/A
Traffic remained : N/A
Acct start-fail action : Online
Acct update-fail action : Online
Acct quota-out action : Offline
Dual-stack accounting mode : Merge
Max IPv4 multicast addresses: 4
IPv4 multicast address list : N/A
Max IPv6 multicast addresses: 4
IPv6 multicast address list : N/A
Accounting start time : Mar 30 09:19:39 2018
Redirect URL : http://28.28.28.100:8080/portal
QoS:
User profile : N/A
Session group profile : N/A
User group ACL : fail (active)
Inbound CAR : N/A
Outbound CAR : N/A
Inbound user priority : N/A
Outbound user priority : N/A
Flow statistic:
Uplink packets/bytes : 209/10974
Downlink packets/bytes : 0/0
IPv6 uplink packets/bytes : 0/0
IPv6 downlink packets/bytes : 0/0
# 用户在逃生组可访问外网。
C:\Windows\system32>ping 29.29.0.1
正在 Ping 29.29.0.1 具有 32 字节的数据:
来自 29.29.0.1 的回复: 字节=32 时间=1ms TTL=253
来自 29.29.0.1 的回复: 字节=32 时间=1ms TTL=253
来自 29.29.0.1 的回复: 字节=32 时间=10ms TTL=253
来自 29.29.0.1 的回复: 字节=32 时间=1ms TTL=253
29.29.0.1 的 Ping 统计信息:
数据包: 已发送 = 4，已接收 = 4，丢失 = 0 (0% 丢失)，
往返行程的估计时间(以毫秒为单位):
最短 = 1ms，最长 = 10ms，平均 = 3ms
#Portal服务器可达后，用户回到认证前状态，用户需进行认证，才能访问外网。
C:\Windows\system32>ping 29.29.0.1
正在 Ping 29.29.0.1 具有 32 字节的数据:
请求超时。
请求超时。
请求超时。
请求超时。
29.29.0.1 的 Ping 统计信息:
数据包: 已发送 = 4，已接收 = 0，丢失 = 4 (100% 丢失)
#打开Host上的浏览器，输入认证IP地址，重定向至iMC Portal登录页面，如下图所示。
图2 iMC Portal登录页面
# 输入用户名密码后认证完成，可以访问外网。
vBRAS的配置文件如下：
#
sysname vBRAS
#
telnet server enable
#
irf mac-address persistent always
irf auto-update enable
irf auto-merge enable
irf domain 1016231237
irf member 1 priority 32
irf member 2 priority 31
#
router id 100.100.1.2
#
track 1 interface Ten-GigabitEthernet1/5/0
#
track 2 interface Ten-GigabitEthernet1/6/0
#
track 3 interface Ten-GigabitEthernet2/5/0
#
track 4 interface Ten-GigabitEthernet2/6/0
#
track 11 nqa entry 1 1 reaction 1
#
isis 100
cost-style wide
network-entity 04.5090.0100.0100.0100.0088.00
#
address-family ipv4 unicast
#
mpls lsr-id 100.100.1.2
#
ppp flow-statistics frequency fast
#
ip fast-forwarding aging-time 60
#
dhcp enable
dhcp relay client-information record
#
lldp global enable
#
ip subscriber timer traffic 30000
#
flow-interval 60
#
password-recovery enable
#
irf-port 1
port group interface GigabitEthernet1/3/0 type data
port group interface GigabitEthernet1/4/0 type control
#
irf-port 2
port group interface GigabitEthernet2/3/0 type data
port group interface GigabitEthernet2/4/0 type control
#
object-group ip address white
0 network host name www.163.com
#
traffic classifier 31 operator and
if-match acl 3899
#
traffic classifier a-wifi_deny operator and
if-match acl 3528
#
traffic classifier a-wifi_http operator and
if-match acl 3526
#
traffic classifier a-wifi_https operator and
if-match acl 3527
#
traffic classifier a-wifi_out operator and
if-match acl 3529
#
traffic classifier a-wifi_permit operator and
if-match acl 3525
#
traffic classifier tetong operator and
if-match acl 3999
#
traffic classifier web_deny operator and
#
traffic behavior 31
filter deny
#
traffic behavior a-wifi_deny
filter deny
#
traffic behavior a-wifi_http
redirect http-to-cpu
#
traffic behavior a-wifi_https
redirect https-to-cpu
#
traffic behavior a-wifi_out
filter permit
#
traffic behavior a-wifi_permit
filter permit
#
traffic behavior tetong
remark qos-local-id 3999
#
traffic behavior web_deny
#
qos policy a-wifi
classifier a-wifi_permit behavior a-wifi_permit
classifier a-wifi_http behavior a-wifi_http
classifier a-wifi_https behavior a-wifi_https
classifier a-wifi_deny behavior a-wifi_deny
#
qos policy out
classifier a-wifi_out behavior a-wifi_out
classifier a-wifi_deny behavior a-wifi_deny
#
qos policy tetong
classifier tetong behavior tetong
#
qos policy up1
classifier 31 behavior 31
#
qos policy web
#
openflow controller enable
#
dhcp server ip-pool a-wifi_none
gateway-list 11.1.0.1
network 11.1.0.0 mask 255.255.0.0
address range 11.1.0.2 11.1.255.254
#
dhcp server ip-pool a-wifi_pre
gateway-list 11.0.0.1 export-route
network 11.0.0.0 mask 255.255.0.0 export-route
address range 11.0.0.2 11.0.255.254
dns-list 27.27.27.200
#
policy-based-route tetong permit node 3999
if-match qos-local-id 3999
apply next-hop 5.1.1.1
apply next-hop 29.29.0.2
#
nqa entry 1 1
type icmp-echo
destination ip 28.28.28.100
frequency 500
history-record enable
history-record number 10
probe count 3
probe timeout 500
reaction 1 checked-element probe-fail threshold-type consecutive 3 action-type trigger-only
#
nqa schedule 1 1 start-time now lifetime forever
#
mpls ldp
#
l2vpn enable
l2vpn statistics interval 60
#
vsi a-wifi
gateway vsi-interface 1
vxlan 1002
tunnel 0
#
interface Reth1
ip address 172.16.17.88 255.255.255.0
member interface GigabitEthernet1/1/0 priority 32
member interface GigabitEthernet2/1/0 priority 31
#
interface Reth2
description downlink
mtu 2000
ip address 100.100.100.2 255.255.255.0
member interface Ten-GigabitEthernet1/5/0.1000 priority 101
member interface Ten-GigabitEthernet2/5/0.1000 priority 100
#
interface Reth3
description uplink
ip address 200.200.200.2 255.255.255.0
isis enable 100
isis circuit-level level-2
isis circuit-type p2p
isis small-hello
mpls enable
mpls ldp enable
member interface Ten-GigabitEthernet1/6/0.2000 priority 101
member interface Ten-GigabitEthernet2/6/0.2000 priority 100
mad arp enable
#
interface NULL0
#
interface LoopBack1
ip address 100.100.1.1 255.255.255.255
#
interface LoopBack2
description LoopBack
ip address 100.100.1.2 255.255.255.255
isis enable 100
#
interface LoopBack3
ip address 100.100.1.3 255.255.255.255
isis enable 100
#
interface GigabitEthernet1/1/0
port link-mode route
ip address dhcp-alloc
#
interface GigabitEthernet1/2/0
port link-mode route
#
interface GigabitEthernet1/3/0
port link-mode route
#
interface GigabitEthernet1/4/0
port link-mode route
#
interface GigabitEthernet2/1/0
port link-mode route
#
interface GigabitEthernet2/2/0
port link-mode route
#
interface GigabitEthernet2/3/0
port link-mode route
#
interface GigabitEthernet2/4/0
port link-mode route
#
interface Ten-GigabitEthernet1/5/0
port link-mode route
mtu 2000
ip address dhcp-alloc
#
interface Ten-GigabitEthernet1/5/0.50
vlan-type dot1q vid 50
#
interface Ten-GigabitEthernet1/5/0.1000
vlan-type dot1q vid 1000
#
interface Ten-GigabitEthernet1/6/0
port link-mode route
ip address dhcp-alloc
#
interface Ten-GigabitEthernet1/6/0.2000
vlan-type dot1q vid 2000
#
interface Ten-GigabitEthernet2/5/0
port link-mode route
#
interface Ten-GigabitEthernet2/5/0.50
vlan-type dot1q vid 50
#
interface Ten-GigabitEthernet2/5/0.1000
vlan-type dot1q vid 1000
#
interface Ten-GigabitEthernet2/6/0
port link-mode route
#
interface Ten-GigabitEthernet2/6/0.2000
vlan-type dot1q vid 2000
#
interface Vsi-interface1
ip policy-based-route tetong
portal bas-ip 100.100.1.3
ip subscriber l2-connected enable
ip subscriber initiator dhcp enable
ip subscriber initiator unclassified-ip enable
ip subscriber timer quiet 120
undo ip subscriber user-detect ip
ip subscriber authentication-method web
ip subscriber roaming enable
ip subscriber password ciphertext $c$3$XSv6wTRQGTLHWDzfCsGEQ+G536Q3T5R9bg==
ip subscriber unclassified-ip domain a-wifi_pre
ip subscriber pre-auth domain a-wifi_pre
ip subscriber web-auth domain a-wifi
ip subscriber username string ipoe
ip subscriber pre-auth track 11 fail-permit user-group fail
#
interface Tunnel0 mode vxlan
source 100.100.1.1
destination 31.31.31.31
#
bgp 65009
router-id 100.100.1.2
#
address-family ipv4 unicast
network 11.0.0.0 255.255.0.0
network 211.9.80.0 255.255.240.0
#
address-family vpnv4
#
ip vpn-instance vrf1
#
address-family ipv4 unicast
import-route direct
import-route static
#
scheduler logfile size 16
#
line class aux
user-role network-operator
#
line class console
user-role network-admin
#
line class vty
user-role network-operator
#
line aux 0 1
user-role network-operator
#
line con 0 1
user-role network-admin
#
line vty 0 63
authentication-mode none
user-role network-admin
user-role network-operator
idle-timeout 0 0
#
ip route-static 11.0.0.0 16 NULL0 preference 180 description Blackhole-Route
ip route-static 31.31.31.31 32 100.100.100.1
ip route-static 172.16.0.0 16 172.16.17.1
ip route-static 211.9.80.0 20 NULL0 preference 180 description Blackhole-Route
#
mad exclude interface GigabitEthernet1/1/0
#
snmp-agent
snmp-agent local-engineid 800063A280FA163E07CF5200000001
snmp-agent community write private
snmp-agent community read public
snmp-agent sys-info version all
#
ssh server enable
ssh user root service-type all authentication-type password
#
undo arp resolving-route enable
arp source-mac aging-time 60
#
qos apply policy a-wifi global inbound
qos apply policy out global outbound
#
redundancy group A_Wifi
preempt-delay 5
member interface Reth2
member interface Reth3
node 1
bind slot 1
priority 100
track 1 interface Ten-GigabitEthernet1/5/0
track 2 interface Ten-GigabitEthernet1/6/0
node 2
bind slot 2
track 3 interface Ten-GigabitEthernet2/5/0
track 4 interface Ten-GigabitEthernet2/6/0
#
acl advanced 3000
rule 0 permit ip source 11.0.0.0 0.0.255.255
#
acl advanced 3001
rule 0 permit ip source 2.2.0.0 0.0.255.255
#
acl advanced 3099
rule 0 permit ip destination 29.29.0.2 0
#
acl advanced 3525
rule 0 permit ip destination 28.28.28.100 0 user-group a-wifi
rule 1 permit ip destination 27.27.27.200 0 user-group a-wifi
rule 5 permit ip vpn-instance vrf1 destination 28.28.28.100 0 user-group a-wifi
rule 10 permit ip user-group fail
#
acl advanced 3526
rule 0 permit tcp destination-port eq www user-group a-wifi
rule 5 permit tcp vpn-instance vrf1 destination-port eq www user-group a-wifi
#
acl advanced 3527
rule 0 permit tcp destination-port eq 443 user-group a-wifi
rule 5 permit tcp vpn-instance vrf1 destination-port eq 443 user-group a-wifi
#
acl advanced 3528
rule 0 permit ip user-group a-wifi
rule 5 permit ip vpn-instance vrf1 user-group a-wifi
#
acl advanced 3529
rule 0 permit ip source 28.28.28.100 0 user-group a-wifi
rule 1 permit ip source 27.27.27.200 0 user-group a-wifi
rule 5 permit ip vpn-instance vrf1 source 28.28.28.100 0 user-group a-wifi
#
acl advanced 3899
rule 0 permit ip destination 100.100.1.1 0
#
user-profile free1
free-rule acl 3099
#
user-profile tetong
qos apply policy tetong inbound
#
radius scheme aa
#
radius scheme aaa
primary authentication 172.16.15.200
primary accounting 172.16.15.200
key authentication cipher $c$3$itzc+vpeFDkhR1RnKJUsmyT6XdbuSmdNbw==
key accounting cipher $c$3$721n+GQFC7t0pV48LIXKz5+4cbrhop2I1w==
timer realtime-accounting 2
user-name-format without-domain
attribute 31 mac-format section three separator - lowercase
#
radius dynamic-author server
client ip 172.16.15.200 key cipher $c$3$aa50yCTQvxx6DzUQl2ePmLhY6TK1IqC7vg==
#
domain name a-wifi
authorization-attribute user-profile tetong
authorization-attribute car inbound cir 4194303 outbound cir 4194303 pir 4194303
accounting update-fail offline
nas-id domain-a-wifi
authentication ipoe radius-scheme aaa
authorization ipoe radius-scheme aaa
accounting ipoe radius-scheme aaa
#
domain name a-wifi_none
authorization-attribute user-group a-wifi
authorization-attribute ip-pool a-wifi_pre
authentication ipoe none
authorization ipoe none
accounting ipoe none
user-address-type private-ipv4
web-server url http://28.28.28.100:8080/portal
web-server ip 28.28.28.100
web-server url-parameter userip source-address
web-server url-parameter mac source-mac section 6 uppercase
#
domain name a-wifi_pre
authorization-attribute user-group a-wifi
authorization-attribute ip-pool a-wifi_pre
authorization-attribute session-timeout 111
nas-id h3c/vbras:a-wifi_pre
authentication ipoe none
authorization ipoe none
accounting ipoe none
web-server url http://28.28.28.100:8080/portal
web-server ip 28.28.28.100
web-server url-parameter userip source-address
web-server url-parameter mac source-mac section 1 uppercase
web-server url-parameter oriUrl original-url
web-server url-parameter nas-id nas-id
web-server url-parameter remote-id remote-id
#
domain name ppp
authorization-attribute ip-pool ppp
authentication ppp radius-scheme jsct
authorization ppp radius-scheme jsct
accounting ppp radius-scheme jsct
user-address-type private-ipv4
#
domain name 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 a-wifi
#
user-group fail
#
user-group gys
#
user-group system
#
local-user root class manage
password hash $h$6$zR1H0VQKmsPSrlki$QB3JtZ08KMBi8Gv85yP7uFPqnoF5l0biJjfApRvDod6fdejdI6o1vtjhSLvhfMsge/GBT+FZjAfbkkuQo307wg==
service-type ftp
service-type ssh telnet http https
authorization-attribute user-role network-admin
#
local-user ip class network
authorization-attribute user-role network-operator
#
local-user ipoe class network
password cipher $c$3$FD4eC+mzM7K89XgqLWUievRGDyg11cfiqw==
service-type ipoe
authorization-attribute session-timeout 111
authorization-attribute user-role network-operator
#
ftp server enable
#
undo portal refresh arp enable
#
portal server A-wifi
ip 28.28.28.100 key cipher $c$3$jlIVq1QmzD/7Ym8rm9WdCnVeYtViHM0BFA==
#
netconf soap http enable
netconf soap https enable
#
http-redirect https-port 6000
#
return
· H3C vBRAS系列虚拟宽带远程接入服务器 http://press.h3c.com/jsp/ir/fileList.do?classID=103&fileID=165210配置指导
· H3C vBRAS系列虚拟宽带远程接入服务器 http://press.h3c.com/jsp/ir/fileList.do?classID=103&fileID=165210命令参考
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