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Shenzhen Hongdian Technologies H792x, User Manual

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Shenzhen Hongdian Technologies H792x User Manual Download Page 23

H792x 3G/4G Router

4 Before config

7 77

(2014-05-28)

4 -7

2.1.2

Accessories

Table 2-2

H792x 3G/4G Router accessories

Accessories name

Number

Note

H792x 3G/4G Router

1 pcs

CD-ROM

1 pcs

Optional

3G/CELLULAR antenna

1 pcs

Wi-Fi antenna

1 pcs

Optional

GPS antenna

1 pcs

Optional

RJ45 cable

1 pcs

Mounting

1 pair

Optional

Certificate

and

warranty

card

1 pcs

+12V power adapter

1 pcs

American Style as standard

2.2

Structure

Figure 2-4

Front pannel

SIM Holder

Figure 2-5

Back pannel

ANT

RESET

POWER

LAN

CONSOLE

Summary of Contents for H792x

Page 1: ...User Manual H792x 3G 4G Router...

Page 2: ......

Page 3: ...anization or individual shall copy or reproduce the whole or part of this user manual by any means without written authorization from Shenzhen Hongdian Technologies Corporation Trademarks and Permissi...

Page 4: ...d other industries This document introduced how to use H792x and its function features Related Versions The following table lists the product versions related to this document Model Version H792x V14...

Page 5: ...oldface The keywords of a command line are in boldface Italic Command arguments are in italics Items keywords or arguments in brackets are optional x y Optional items are grouped in braces and separat...

Page 6: ...er and press Tab Key 1 Key 2 Press the keys concurrently For example pressing Ctrl Alt A means the three keys should be pressed concurrently Key 1 Key 2 Press the keys in turn For example pressing Alt...

Page 7: ...3G 4G Router 8 3 1 Unpacking 8 3 2 How to install 8 3 2 1 SIM UIM card install 8 3 1 2 Ethernet cable connection 9 3 1 3 Serial port connection 9 3 2 Power supply 10 3 3 Review 10 4 Before config 1 4...

Page 8: ...ional 45 5 5 6 Dynamic Routing Optional 47 5 6 VPN configuration H7921 only 52 5 6 2 Overview 52 5 6 3 VPDN configuration 53 5 6 4 Tunnel configuration 55 5 6 5 IPSec configuration 56 5 7 System confi...

Page 9: ...al 89 7 4 4 Cannot find SIM UIM card 90 7 4 5 Poor Signal 90 7 4 6 Compress Protocol not match 90 7 5 VPN Problem 91 7 5 2 VPDN cannot connect 91 7 5 3 VPN cannot communicate 91 7 5 4 Router can commu...

Page 10: ...nstruction 24 Table 5 14 Wake up Parameter instruction 26 Table 5 15 DTU Parameter instruction 29 Table 5 16 IP filter parameter instruction 34 Table 5 17 Domain Filter parameter instruction 36 Table...

Page 11: ...able 5 34 Remote log parameter instruction 64 Table 5 35 Clock Parameter instruction 65 Table 5 36 Account parameter instruction 67 Table 5 37 Network Test Parameter instruction 68 Table 5 38 Base inf...

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Page 13: ...tings 5 Figure 4 12 TCP IP address 6 Figure 4 13 Connectivity check 7 Figure 4 14 User identity page 8 Figure 5 15 LAN window 2 Figure 5 16 Modem window 3 Figure 5 17 Modem page 4 Figure 5 18 Single m...

Page 14: ...Interface 43 Figure 5 48 Policy Routing Interface 44 Figure 5 49 QoS interface 46 Figure 5 50 RIP interface 48 Figure 5 51 RIP route configuration interface 49 Figure 5 52 OSPF Interface 50 Figure 5...

Page 15: ...75 Figure 5 76 Base Information tab 76 Figure 5 77 LAN info 77 Figure 5 78 Modem Status page 78 Figure 5 79 Routing table page 79 Figure 6 80 Wake up trigger setting example 82 Figure 6 81 Build IPSe...

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Page 17: ...Also definable route table makes customers could assign bandwidth by business type full use the bandwidth and lower the net delay H792x 3G 4G Router support Hongdian M2M management platform By the man...

Page 18: ...ow heartbeat check ensure network usability SNMP network management NTP support Local remote firmware update Local remote log check Supports DNS proxy and Dynamic DNS DDNS Supports timing operation Su...

Page 19: ...rface 1 RS 232 console port full DTU function optional 1 SMA K antenna interface 1 SMA K antenna interface Wi Fi optional 1 Standard SIM R UIM interface 1 Standard DC power interface Power supply Volt...

Page 20: ...7 FAQ H792x 3G 4G Router 7 4 2014 05 28 2 Product structure About this chapter Chapter Content 2 1 Hardware H792x 3G 4G Router hardware 2 2 Structure Structure of H792x 3G 4G Router...

Page 21: ...Table 2 1 H792x 3G 4G Router size Model Dimension mm Interface H792x 3G 4G Router 98 100 23 1 10 100Mb LAN interface 1 RS 232 console port full DTU function optional 1 SMA K antenna interface 1 SMA K...

Page 22: ...7 FAQ H792x 3G 4G Router 7 6 2014 05 28 Figure 2 3 H792x 3G 4G Router Figure...

Page 23: ...4G Router 1 pcs CD ROM 1 pcs Optional 3G CELLULAR antenna 1 pcs Wi Fi antenna 1 pcs Optional GPS antenna 1 pcs Optional RJ45 cable 1 pcs Mounting 1 pair Optional Certificate and warranty card 1 pcs 1...

Page 24: ...needs of H792x 3G 4G Router 3 4 Review Review 3 1 Unpacking After received the box of H792x please unpack it and check if all accessories complete Please check Table 2 2 as reference 3 2 How to insta...

Page 25: ...3 1 2 Ethernet cable connection Use Ethernet port directly connect H792x 3G 4G Router and computer or transferred by a switch 3 1 3 Serial port connection When you connect H792x 3G 4G Router to serial...

Page 26: ...ore connect power cable otherwise because of Impedance mismatching signal maybe poor Notice Step 1 Check antenna connection Step 2 Check SIM UIM card installation confirm SIM UIM card is available Ste...

Page 27: ...outer they show how H792x 3G 4G router works Table 4 3 LED instruction LED name Status SYS Solid light system normal Dark system abnormal or during booting LAN Solid light connect ok Blinking data sen...

Page 28: ...Click start control panel find Network Connections icon and double click it to enter select Local Area Connection corresponding to the network card on this page Refer to the figure below Figure 4 8 Lo...

Page 29: ...H792x 3G 4G Router 4 Before config 333 2014 05 28 4 3 Figure 4 9 Connection properties Figure 4 10 Internet protocol TCP IP...

Page 30: ...figuration and LAN and the specific parameter configuration is shown as below IP address 192 168 8 indicates any integral between 2 to 254 Subnet mask 255 255 255 0 Default gateway 192 168 8 1 Remembe...

Page 31: ...ication and configure H792x 3G 4G Router when the former network configuration exists it is required add route IP The configuration operation is shown as below Click the Advanced button to enter the i...

Page 32: ...teway depends on whether the configuration computer connects with Internet through original local network configuration If Internet is accessed through original local network the default gateway setti...

Page 33: ...local connection Connection specific DNS Suffix Auto configuration IP Address 192 168 8 7 Subnet Mask 255 255 255 0 Default Gateway 192 168 8 1 Step 5 Connectivity check After the configuration is com...

Page 34: ...chieve basic function visit internet 4 2 1 Login WEB GUI Step 1 Run a Internet Explorer and visit http 192 168 8 1 to enter identity page Figure 4 14 User identity page Step 2 User should use default...

Page 35: ...e timing operation link backup etc 5 4 Security Security setting of H792x 5 5 Forward NAT DMZ setting 5 6 VPN PPTP L2TP IPSec GRE setting 5 7 System Updating maintain 5 8 Status Router working status...

Page 36: ...LAN window Step 3 LAN parameter Table 5 4 LAN Parameter instruction Parameter Details Operation Host name router name Manual input Maximum length limited to 32 word type character IP1 4 Divide sub net...

Page 37: ...er core function connect Internet by cellular modem H792x 3G 4G Router support single modem single SIM single modem dual SIM dual modem dual SIM those three working type provide internet connection to...

Page 38: ...module inside you could choose which module to use here Dropdown List modem modem2 If your router has only one module no such option Interface Name Interface name to identify this interface WORD type...

Page 39: ...oved security Disable Negotiation CHAP is prior to PAP PAP Password Authentication Protocol Disable Negotiation MS CHAP MS CHAP MicrosoftChallenge Handshake Authentication Protocol Based on MPPE Disab...

Page 40: ...ed to quickly spot network interrupt and reconnect Value area 1 512 Unit second Default value 30 5 MTU the number of bytes of the maximum transfer unit by PPP interface sometimes financial data has re...

Page 41: ...H92x 3G 4G Router 7 FAQ Version 2014 05 28 7 7 Figure 5 18 Single module single SIM dual module dual SIM Figure 5 19 Single module dual SIM...

Page 42: ...7 FAQ H792x 3G 4G Router 7 8 2014 05 28 Figure 5 20 Advanced setting 3 Single click save icon to finish Grey icon means enabled...

Page 43: ...k parameter and switch between them This function also could switch VPN setting for example when modem 1 online it connect VPN 1 modem2 online it connect VPN2 they cannot connect at same time because...

Page 44: ...next rule start running For disabled rule all related interface also disabled Enable Disable Basic settings Rule name Name value decided running order Value area 0 9 Interval Retry Times Check interv...

Page 45: ...f ICMP router will ping the ICMP IP address to check Dropdown List state icmp This function is control how the router online offline and use which modem to online Please notice timing task is execute...

Page 46: ...omatically Dropdown List interface custom DNS1 DNS2 Manual set DNS Example 8 8 8 8 Interface name Router will get DNS address from this interface Dropdown List Step 3 Single click save icon END 5 2 5...

Page 47: ...recommended configure in the case of no special network requirement IP Pool The DHCP client can get the scope of IP address When selecting interface represents the interface of network segment This op...

Page 48: ...0 custom Configuring for the default is based on DNS address which is allocated by the router itself Lease Time After the DHCP client obtain an IP on IP lease time the client usually renegotiate obtai...

Page 49: ...annot link to destination address Usually LCP is used to avoid this Besides LCP H792x 3G 4G router can use another more reliable checking way ICMP which check the link by PING When abnormal link is ch...

Page 50: ...Basic Config Rule Name ICMP Check rule name just to distinguish different rules WORD type max 12 bytes Destination address Destination address of ICMP check can be domain name and also can be IP addr...

Page 51: ...are BGO operation It is not suggested to use if need pls contact our technical engineers WORD type max 64 bytes 3 Single click save to finish a ICMP check rule If ICMP is normal ICMP packet is sent at...

Page 52: ...ether enable DDNS service function Button Enable Disable Basic Config Service Provider Select the DDNS service provider that router currently supports don t support other providers Dropdown List optio...

Page 53: ...t 240s or above Value area 120 86400 Unit seconds Step 4 Click save to complete DDNS configuration DDNS in China 88IP www 88ip net 3322 www 3322 org DDNS outside of China DNSEXIT www dnsexit com ZONEE...

Page 54: ...suggest to be default port161 Value area 1 65535 Default 161 Community Community Password of SNMP client to router SNMP Used for identification WORD type max 16 bytes Trap IP Link state router report...

Page 55: ...m our website if necessary please contact our technical engineers END 5 3 4 M2M configuration H792x 3G 4G router has embedded a WMMP Wireless Machine to Machine Protocol protocol to realize communicat...

Page 56: ...l WORD type max 64 bytes Server Port WMMP port No shall be the same with Port No of M2M platform server Value area 1 65535 Login Times Max retry times of router to login M2M platform If login times re...

Page 57: ...change Value area 1 65535 Unit seconds Step 6 Single click save icon to finish the configuration END 5 3 5 Timing configuration This application is to control the online time of the router to better m...

Page 58: ...me Name of a timing task Max 12 digits Task type Task type has action task and status task Action task is for time point or time interval while status task is for time period for modem online and mode...

Page 59: ...alue area 01 31 Format XX XX Week Days in a week for task When day and week are both input it means only if both conditions meet the task will begin Value area 1 7 Format X X 1 for Monday When time ty...

Page 60: ...sh memory Table 5 14 Wake up Parameter instruction Parameter Details Operation Wake up service To enable or disable the service Options Enable Disable Add phone Number Phone Number Phone No to trigger...

Page 61: ...m online time idle means if idle no data transmission time is as long as the configured time the router will get offline Dropdown List options timeout idle Online time Online time of router for idle o...

Page 62: ...outer offline pls choose actions to trigger offline Online time in wake up will affect other functions like SIM switch network backup task management So when users set wakeup parameter please note whe...

Page 63: ...elect from Dropdown List Server Client DDPClient Local Port DTU service port Specify the port number 1 65535 Protocol Protocol of TCP UDP connection TCP protocol is a connection oriented reliable tran...

Page 64: ...eived maximum packet length then wait for data until it reaches the last packet idle time and then to send Specify time according to your need data 1 65535ms Default value 500 Units ms Data Center Con...

Page 65: ...ck save icon to finish DTU configuration DTU will start to work when modem is online if it is enabled END 5 4 Security 5 4 2 Overview Security will control where the data can pass through by analyzing...

Page 66: ...n line with the list of discarded rules packet cannot be forwarded through the router White List The default refuses packet forwarding in line with the list of accept rules packet can go through route...

Page 67: ...H92x 3G 4G Router 7 FAQ Version 2014 05 28 7 33 Figure 5 36 IP filter Input type Figure 5 37 IP Filter Forward type...

Page 68: ...nable On the basis of the configuration rules to add an extra source address port and destination address port reverse the rules Disabled no treatment Dropdown List options Protocol Protocol used by I...

Page 69: ...7 Single click save to finish END Domain Filter Domain filter support black list and white list It is used to forbid PCs in LAN from visit some websites or allows them to visit specific websites Step...

Page 70: ...eyword Keyword of domain for filter WORD type max 64 digits E g www google com the keyword is google Default action Actions to filter the keyword Accept Drop Step 6 Single click Save to finish configu...

Page 71: ...blacklist cannot visit external network other MACs can visit external network through router White list rules in white list can visit external network other MACs cannot visit external network through...

Page 72: ...ND 5 5 Forward configuration 5 5 2 Overview Forward function of H792x 3G 4G router includes NAT Routing dynamic routing RIP OSPF optional and QoS optional 5 5 3 NAT DNAT configuration rule DNAT is use...

Page 73: ...t Original Address Type The destination address of the IP packet needs to be converted Dropdown List interface static Interface when the initial address type select interface needs to be configured In...

Page 74: ...after is replaced Value area 1 65535 Step 7 Single click save icon to finish END SNAT configuration rule SNAT is the source address translation and its role is to translate source address of IP packet...

Page 75: ...d Dropdown List interface static Interface Select the interface of the router as source address after replacement Dropdown List br0 modem modem2 eth0 eth1 Mapping Port The port of source address after...

Page 76: ...ter LAN and external network Select from Dropdown List Step 7 Single click save icon to finish MASQ rule the source address of all packets in the LAN need to be transferred into the specific ip addres...

Page 77: ...entiate the smaller number with higher priority And there are priorities between static routing and policy routing policy routing higher priority than static routing Step 3 Log on WEB GUI of H792x 3G...

Page 78: ...d subnet mask of static route Manual input Format1 A B C D Mask Gateway Type Specify gateway type of static routing includes interface static ip Dropdown List Gateway Set a next hop IP address of stat...

Page 79: ...he router received the packet e g source address is 1 1 1 1 destination address is 2 2 2 2 It will forward the packet to next hop according to the route which meets with the destination address 2 2 2...

Page 80: ...e QoS feature Click the button to select Basic Setting Rule Name QoS rule name The max to 12 characters Only set when adds a new rule and the follow up can not be modified The rule name can not be rep...

Page 81: ...mainly for the average of user priority assigned route or a bandwidth of Internet users If the router is connected with two subnets 192 168 8 1 24 and 192 168 9 1 24 the router QOS can control the rat...

Page 82: ...e button to select Enable Disable Redistribute Connected Enable or disable Redistribute Connected Click the button to select Enable Disable Redistribute Static Enable or disable Redistribute Static Cl...

Page 83: ...terior gateway protocol In the national networks such as the current Internet has a lot for the entire network routing protocols Only adjacent routers exchange information If the communication between...

Page 84: ...needs to be configured at the factory H792x 3G 4G Router Step 3 Log on WEB GUI of H792x 3G 4G router Step 4 Click Forward OSPF to open OSPF tab as Figure 5 55 Figure 5 52 OSPF Interface OSPF paramete...

Page 85: ...5 53 OSPF route configuration interface Step 6 Configure RIP route parameter instruction as Table 5 29 Table 5 28 OSPF route parameter instruction Parameter Details Option Add Type Add the type of OS...

Page 86: ...ent from the distance vector routing protocols Distance vector routing protocol passed some or all routing information of the routing table to the adjacent routers END 5 6 VPN configuration H7921 only...

Page 87: ...te Dial up Networks Now VPDN supports L2TP and PPTP Step 3 Log on WEB GUI of H792x 3G 4G router See 4 2 1 Login WEB GUI Step 4 Click VPN VPDN to open VPDN tab Figure 5 54 VPDN configuration Step 5 Cli...

Page 88: ...dified after save Service IP or Domain IP or domain of server to be visited To input the IP or domain of server to be visited Username Username of server to be visited To input the username Password P...

Page 89: ...ol to another network protocol encapsulation method The main purpose of the GRE protocol there are two internal protocol encapsulation and private address encapsulation IPIP tunnel is a simple agreeme...

Page 90: ...ace type To choose interface or static IP Select from Dropdown List Local Extern interface This parameter will need to be set if interface is selected in interface type Choose any connected interface...

Page 91: ...H92x 3G 4G Router 7 FAQ Version 2014 05 28 7 57 Figure 5 58 IPSec tab Step 5 Click Add to add a new IPSec rule There are 3 phases for IPSec configuration 1 Phase 1 parameter...

Page 92: ...select which phase of IPSec phase 1 phase 1 or phase IPSec Select Phase 1 Policy Name Name of phase 1 mainly to match phase IPSec To input the name of phase 1 Cannot be changed after save Initial Mod...

Page 93: ...IKE key Value area 120 86400 Unit second Group Name Select group Select from Dropdown List DPD Service To enable DPD service To click Enable DPD Delay To set DPD check interval time Manual input Value...

Page 94: ...Select Phase 2 Policy Name Name of phase 2 mainly to match phase IPSec To input the name of phase 2 Cannot be changed after save Encryption Protocol Supports esp ah ah esp Select from Dropdown List E...

Page 95: ...subnet No need to set for transport mode only for auto and tunnel Format A B C D M Remote Subnet To set local subnet No need to set for transport mode only for auto and tunnel Format A B C D M Single...

Page 96: ...omain Encryption Interface To select binding interface of IPSec to bind VPDN modem br0 as local interface of IPSec initial can support IPSec OVER VPDN In addition after binding IPSec rule will change...

Page 97: ...ur local PC There are 3 types log Message system log to record the running log of router usually for most of users Application application program log to record the Open or close of some application p...

Page 98: ...n IP address or Domain of remote log server To input the IP address or domain to receive log Remote Port Port of remote log serve Default port 514 Step 6 Single click save icon to finish Remote Log pa...

Page 99: ...me Synch Type Step 5 Set clock parameter Table 5 35 Clock Parameter instruction Parameter Details Operation Status To enable to disable Time Synchronization service To click Enable or Disable Time Syn...

Page 100: ...Default 600 s Time Zone Time Zone Select from Dropdown List Time Zone Number For Custom option in Time Zone E g 8 or 4 WORD type When select Manual in Time Synch Type Set Date To set date YYYY MM DD...

Page 101: ...t from Dropdown List Admin can view and change the parameter Guest can view parameter and export log and use Network Test Current Username Current username Showing user name Old password Current passw...

Page 102: ...work Test to open Network Test tab Figure 5 67 Network Test Tab Step 5 Input IP address or domain to be tested in Destination click Ping to check whether the router can be linked with destination Tabl...

Page 103: ...Step 3 Log on WEB GUI of H792x 3G 4G router Step 4 Click System Files to open Files tab Figure 5 68 Files tab If reset is selected all parameters will be reset to factory setting In upgrading don t cl...

Page 104: ...d an IP address 192 168 1 Figure 5 69 Add an IP address Step 4 Press the RESET DEF interface Do not release it Hold it meanwhile power on router till 30 seconds and connection to PC is built properly...

Page 105: ...minutes if RUN light is on upgrading is OK You can also PING br0 address on your PC eg ping 192 168 8 1 t if Ping ok upgrading is OK Backup setting H792x 3G 4G router supports to backup and recover c...

Page 106: ...y setting H792x 3G 4G router has function to resume factory configuration Users can set the configuration to factory mode and also can set the current configuration into default configuration and gene...

Page 107: ...4 05 28 7 73 Figure 5 73 Factory setting page Save to save the current setting as default factory configuration setting Load to resume default factory setting Patch operation function H792x 3G 4G rout...

Page 108: ...7 FAQ H792x 3G 4G Router 7 74 2014 05 28 Figure 5 74 Patch operation View to view current patches Delete to delete patch reboot click reboot to restart the router...

Page 109: ...75 reboot END 5 8 Status 5 8 2 Overview Status provides the basic info network status info router info of H792x 3G 4G Router 5 8 3 Base Information Step 3 Log on WEB GUI of H792x 3G 4G router Step 4 C...

Page 110: ...Parameter instruction Parameter Details Operation Router Model Router model info Router SN Router Serial No info Hardware version Router hardware version info Software version OS and application softw...

Page 111: ...arameter Details Operation LAN status To shown current LAN interfaces status IP address To show the LAN IP address Subnet Mask Subnet mask of LAN interface MAC address To shown the MAC address of the...

Page 112: ...ond Modem Status To show the Router s status to link to the mobile network Network type Current network type of the SIM in use signal Signal of mobile network Value area 1 31 IP Address To show the ex...

Page 113: ...H92x 3G 4G Router 7 FAQ Version 2014 05 28 7 79 Figure 5 79 Routing table page...

Page 114: ...tton is on the rear panel and next to power interface This button can be used when the router is in use or when the router is turned on Three are 3 functions to press RESET button when the router is i...

Page 115: ...H792x 3G 4G Router commonly used function includes wake up parameter switch VPN Etc 6 4 Awake function Typical case H792x 3G 4G router support wake up function means router will not auto dial after p...

Page 116: ...8618888888888 to trigger corresponding SIM online ed modem will dial online After 3600s router will offline Or you could use 8612222222222 to call SIM make the router offline Please notice to enable t...

Page 117: ...r H792x could visit company network like visiting the local area network Let us check a setting example Figure 6 81 Build IPSec PC1 connect H792x then build IPSEC link by VPN function of H792x with co...

Page 118: ...7 FAQ H792x 3G 4G Router 7 84 2014 05 28 Parameter Setting Figure 6 82 IPSec Phase 1 Figure 6 83 IPSec Phase 2...

Page 119: ...nnect each other by IPSEC and ping peer subnet you could check status by click view button Figure 6 85 IPSec status ping 192 168 99 1 I 192 168 86 1 PING 192 168 99 1 192 168 99 1 from 192 168 86 1 56...

Page 120: ...ate reboot online command Etc Easier the customer operation I assume set the router online at certain time and keep a moment then reboot every 24 hours You could set like below Figure 6 86 Timing Resu...

Page 121: ...apter Content 7 1 Hardware failure Possible hardware failure during using H792x 3G 4G Router and how to handle them 7 2 Dial online problem Possible problem during dialing and how to handle them 7 5 V...

Page 122: ...lot Phenomenon Cannot insert SIM card Possible Reason SIM slot damaged SIM card wrong direction Solution SIM slot damaged please contact us to repair Check the SIM card direction please make sure the...

Page 123: ...l Online Problem 7 4 2 Dial discontinue Phenomenon H792x 3G 4G Router discontinue during dialing dial failure Possible Reason SIM card network type do not match SIM charges owed Power supply do not ma...

Page 124: ...ard damage SIM bad contact Solution Replace SIM card Re install SIM card 7 4 5 Poor Signal Phenomenon H792x 3G 4G Router no signal or poor signal Possible Reason Antenna connect wrong Area signal weak...

Page 125: ...rver 7 5 3 VPN cannot communicate Phenomenon VPN already connect but cannot communicate Possible Reason Router table config wrong VPN peer server config wrong Solution Add related Router table Check V...

Page 126: ...power supply Ask technical support for suitable firmware Power off during updating router please make sure power supply normal 7 6 3 Updating patch failure Phenomenon Updating fix patch failure after...

Page 127: ...ing failure Solution Using CFE mode to update again and router will restore to factory mode If after CFE updating still cannot visit WEB GUI please contact us for repairing 7 6 6 Forget Router Passwor...

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