Instruction/ maintenance manual of the product RX3141 Asus
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RX3141 User’s Manual Revision 1.01 Oct. 21, 2004.
ii Table of Contents 1 Introduction .............................................. 1 1.1 Features ................................................................................................................ 1 1.2 System Requirements ..............
iii 3.2.1 Before you begin ...................................................................................... 13 3.2.2 Windows® XP PCs: ................................................................................. 13 3.2.3 Windows® 2000 PCs: .
iv 6 DHCP Server Configuration ................... 35 6.1 DHCP (Dynamic Host Control Protocol) ............................................................ 35 6.1.1 What is DHCP? ........................................................................
v 9.4.2 Figure 9.4. S ample I nbound ACL L ist Ta bleModify In bound AC L Rules .................................................................................................................. 56 9.4.3 Delete Inbound ACL Rules ......................
vi 11.7 . System Configuration Management ................................................................ 79 11.7.1 Backup System Configuration ................................................................. 79 11.7.2 Restore System Configuration .
vii List of Figures Figure 2.1. Front Panel LEDs................................................................................................... ................................6 Figure 2.2. Rear Panel Connectors ...................................
viii Figure 9.7. Sample Out b ound ACL List Table..................................................................................... ................. 58 Figure 9.8. Self-Access ACL Configuration Page ................................................
ix List of Tables Table 2.1. DoS Attacks ......................................................................................................... ....................................5 Table 2.2. Front Pa nel Label and LEDs ...........................
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RX3141 User’s Manual Chapter 1. Introduct ion 1 Introduction Congratulat ions on becomin g the owner of RX3141 . Your LAN ( local area ne twork) will now be able to access the Inter net using your high-speed broadba nd connection s uch as those w ith ADSL o r cable modem .
Chapter 1. Introduct ion RX3141 User’ s Manual 2 1.3 Using this Document 1.3.1 Notational conventions f Acronyms are def ined the fi rst time they appear in th e text. f For brevity, RX3141 is sometim es referred to as the “router” or the ”g ateway”.
RX3141 User’s Manual Chapter 2. Getting to Know 3 2 Getting to Know RX3141 2.1 Parts Li st In addition to t his docum ent, RX 3141 sh ould co me with the f ollowin g: f The System unit, RX 3141 f AC A dapter f User Manual f Compact Disk of Multi-lang uage Quick installa tion Guide 2.
Chapter 2. Getting to Know RX3141 User’s Manual 4 2.3.2 Firewall Features The firewall as im plemented in RX3141 provides the follow ing features to protect your netw ork from being attacked and to pre vent your network fr om being used as the springboar d for attacks.
RX3141 User’s Manual Chapter 2 Getting to Know 5 Table 2.1. DoS Attacks Type of Attack Name of Attacks Re-assembly attacks Bonk, Boink , Teardrop (New T ear), Overdrop, Opentear, Syndrop, Jolt, IP f.
Chapter 2. Getting to Know RX3141 User’s Manual 6 2.4 Finding Y our W ay Around 2.4.1 Front Panel The front panel cont ains LED indi cators that sho w the status of the unit.
RX3141 User’s Manual Chapter 2 Getting to Know 7 LED Label Color Status Indication Amber ON Blinking Speed is 10Mb ps Data is transmitt ed or received via th e connection OFF No link is established . ○ 5 DUPLEX Amber ON OFF The LAN port is operatin g in full-duplex mode.
Chapter 2. Getting to Know RX3141 User’s Manual 8 2.4.3 Bott om View ○ 11 Wall Mount Slots : You may use these slots to hang RX3 141 on the wall to sa ve space. Depending on your particular require ment by taking into accoun t the location of the power ou tlet, power cord length, Ethern et cable length and et c.
RX3141 User’s Manual Chapter 2 Getting to Know 9 2.5 Placement Options Depending on your environment, you may ch oose one of the three suppor ted placement options for RX3141 – desktop place ment, magnet mount and wall mou nt. 2.5.1 Desktop Placement You may place RX3141 o n any flat surface.
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RX3141 User’s Manual Chapter 3. Quick Start Guide 11 3 Quick S t art Guide This Quick Sta rt Guide provides basic instructions for connec ting the RX3141 to a comp uter or a network and to the Internet. f Part 1 provides instr uctions to set up the hardware.
Chapter 3. Quick Start Guide RX3141 User’ s Manual 12 3.1.3 Step 3. Attach the AC adapter. Attach the AC ada pter to t he POWE R input j ack on the back of t he de vice and pl ug in th e adapte r to a wal l outlet or a power strip. 3.1.4 Step 4. Power on RX3141, the ADSL or cable modem and power up your computers.
RX3141 User’s Manual Chapter 3. Quick Start Guide 13 3.2 Part 2 — Configuring Y our Computers Part 2 of the Quick Start G uide provide s instruct ions for config uring the net work setting s on your computer s to work with the RX3141. 3.2.1 Before you begin By default, the RX3141 automatically assigns all req uired network settings (e.
Chapter 3. Quick Start Guide RX3141 User’ s Manual 14 5. In the Select Network Component Type dialog box, select Protocol , and then click <Add> button. 6. Select Internet Protocol (TCP/IP) in the Network Protoc ols list, and then click <OK> button.
RX3141 User’s Manual Chapter 3. Quick Start Guide 15 3.2.5 Windows® NT 4.0 workstations: First, check f or the IP protoc ol and, if n ecessary, in stall it: 1. In the Windows NT task bar, click the <Start> button, point to Settings , and then click Control Panel .
Chapter 3. Quick Start Guide RX3141 User’ s Manual 16 3.3 Part 3 — Quick Configuration of the RX3141 In Part 3, you log into the Confi guration M anager on the RX31 41 and configu re basic settings fo r your router. Your ISP shoul d provide y ou wit h the nece ssary info rmation t o complete t his ste p.
RX3141 User’s Manual Chapter 3. Quick Start Guide 17 Figure 3.3. System S tatus Pag e 4. Follow the instructions described in Chapter 5 "Router Con nection Setup” to set up the LAN and WAN settings for RX3141.
Chapter 3. Quick Start Guide RX3141 User’ s Manual 18 3.3.3 Defa ult Router Setting s In addition to handling the DS L connecti on to your ISP, the RX3141 can provid e a variety of services to your network. The dev ice is pre-conf igured with defau lt settings for use wi th a typical home or small of fice network.
RX3141 User’s Manual Chapter 4. Using the Configur ation M anager 19 4 Using the Configuration Manager The RX3141 includes a preinstalled progra m called the Configuration Manager , which provid es an inter face to the software i nstalled on the device.
Chapter 4. Using the Configur ation Manager RX3141 User’s Manual 20 4.2 Functional Layout Typical Typica l Configuration pa ge consists of sev eral element s – banner, menu, menu nav igation tips, configuration, a nd on-line help. You can click on any men u item to expa nd/contract any menu groups or to access a specifi c configuration p age.
RX3141 User’s Manual Chapter 4. Using the Configur ation M anager 21 4.2.2 Comm only Used Buttons and Icons The followi ng butto ns or icon s are used th rougho ut the appl ication. T he follo wing ta ble descri bes the f unction for each button or icon.
Chapter 4. Using the Configur ation Manager RX3141 User’s Manual 22 4.3 Overview of System Configuration To view the overall sy stem configu ration, log into th e Configurat ion Manage r, and then clic k Status menu. Figure 4.3 shows sam ple inf ormation av ailable in the Sy stem I nformati on page.
RX3141 User’s Manual Chapter 5 Router Connection Setup 23 5 Router Connection Setup This cha pter describes h ow to c onfigure the basic settings for your router so that the com puters on you r LAN can communica te with each ot her and have access to the Internet.
Chapter 5 Router Connection Setup RX3141 User’ s Manual 24 5.1.3 Configuring the LAN IP Address Follow thes e steps to change the de fault LAN IP address. 1. Log into Configuration Manager, and then doubl e cli c k Router Setup Î Connection menu. The Router Connection Setup config uratio n page is then displayed as shown in Figure 5.
RX3141 User’s Manual Chapter 5 Router Connection Setup 25 5.2 W AN Configuration This sectio n describes how t o configure WAN setti ngs for t he WAN interface o n the RX 3141 th at communicat es with y our ISP. You’l l learn to config ure IP add ress, DHCP and DNS se rver for y our WAN in this section.
Chapter 5 Router Connection Setup RX3141 User’ s Manual 26 5.2.2 PPPoE PPPoE connection is most often used by ADSL service providers. Figure 5.3. WAN – PPPoE Configura tion Connection Mode drop- d.
RX3141 User’s Manual Chapter 5 Router Connection Setup 27 5.2.2.1 WAN PPPoE Config uration Parame ters Table 5.2 descr ibes the configuration parameters available for PPPo E connection mode. Table 5.2. WAN PPPoE Configur ation Parame ters Setting Description Connection Mode Select PPPoE from the connec tion mode drop-down list.
Chapter 5 Router Connection Setup RX3141 User’ s Manual 28 5.2.2.2 Configuring PPPo E for WAN Follow the instructions below to configure PPPoE settings: 1. Open the Router Connection conf iguration page by double clicking the Router Setup Î Connection menu.
RX3141 User’s Manual Chapter 5 Router Connection Setup 29 Figure 5.5. WAN – PPPoE0 Se ttings Figure 5.6. WAN – PPPoE1 Se ttings 3. Configure firewall out bound ACL rules to forward the desi gnated traffic to each i ntended PPPoE session. Please refer to se ction 9.
Chapter 5 Router Connection Setup RX3141 User’ s Manual 30 Figure 5.9. WAN – Outbound ACL Rule Se ttings for PPPoE Multi-session Example Figure 5.10.
RX3141 User’s Manual Chapter 5 Router Connection Setup 31 5.2.3 PPPoE Unnumbered Some of the ADSL ser vice providers may offer PPPoE unnumbered ser vice.
Chapter 5 Router Connection Setup RX3141 User’ s Manual 32 5.2.3.1 WAN PPPoE Unnumbe red Configuration Paramete rs Table 5.3 descr ibes the configurat ion parameters available for PPPoE unnumbered connection mode.
RX3141 User’s Manual Chapter 5 Router Connection Setup 33 5.2.3.2 Configuring PPPo E Unnumbered for WAN Follow the inst ructions below to configure PPPoE unnumbered settings: 1. Open the Router Connection co nfi guration page by double clicking the Router Setup Î Connection menu.
Chapter 5 Router Connection Setup RX3141 User’ s Manual 34 5.2.5 Stat ic IP Figure 5.13. WAN – Stat ic IP Configuration 5.2.5.1 WAN Static IP Config uration Parameters Table 5.4 descr ibes the configuration parameters available for s tatic IP connection mode.
RX3141 User’s Manual Chapter Error! Reference source not found. . Error! Reference source not found. 35 6 DHCP Server Configuration 6.1 DHCP (Dynamic Host Control Protocol) 6.
Chapter 6 RX3141 User’s Manual 36 Figure 6.1. DHCP S erver Config uration Pag e 2. Enter the information for the IP Address Pool (Begin/End Address ), Sub net Mask , Lease Time and Default Gateway IP Address, fields; others, such as Primary/Secondary DNS Server IP Address and Primary/Secondary WINS Server IP Address are optional.
RX3141 User’s Manual Chapter Error! Reference source not found. . Error! Reference source not found. 37 Field Description LAN to DNS servers and re lay the results ba ck to the LAN comput ers. Note that both the primary and secon dary DNS servers are optio nal.
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RX3141 User’s Manual Chapter 7. Configuring Sta tic Routes 39 7 Configuring S t atic Routes You can use Configuration Manager to define spec ific routes for your Interne t and network data communicatio n. This chapter descri bes basic routing c on cepts and provide s instructio ns for creating st atic routes.
Chapter 7. Configuring Sta tic Routes RX3141 User’s Manual 40 7.2 S t atic Route Figure 7 .1. Routing Config uration Page 7.2.1 Stat ic Route Conf iguration Parameters The followi ng table defines t he available conf igurat io n parameters for st atic routing conf iguration.
RX3141 User’s Manual Chapter 7. Configuring Sta tic Routes 41 7.2.2 Add ing Static Routes Figure 7.2. Stati c Route Configuration Follow these i nstructi ons to add a stati c route to the routing t able. 1. Open the Static Route confi guration page by double clicking the Advanced Î Static Route menu.
Chapter 7. Configuring Sta tic Routes RX3141 User’s Manual 42 7.2.3 Deleting Static R outes Figure 7 .3. Sample Routing Table Follow th ese in structi ons to delete a stati c rout e from t he routin g table. 1. Open the Static Route confi guration page by double clicking the Advanced Î Static Route menu.
RX3141 User’s Manual Chapter 8. Configuring DDNS 43 8 Configuring DDNS Dynamic DNS is a service th at allo ws comput ers to use the same dom ain nam e, even wh en the IP ad dress changes from time to time (during reboot or when the ISP's DHCP server rese ts IP leases).
Chapter 8. Configuring DDNS RX3141 User’s Manual 44 8.1 DDNS Configuration Parameters Table 8.1 describe s the config uration pa ramet ers av ailabl e for DDNS service. Table 8.1. DDNS Configu ration Parameter s Field Description Status Shows the state of DDNS.
RX3141 User’s Manual Chapter 8. Configuring DDNS 45 8.2 Configuring HTTP DDNS Client Figure 8.2. HTTP DDNS Configuration Pag e Follow these instruct ions to configure the HTTP DDNS: 1. First, you should have already registered a dom ain name to the DDNS service provider.
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RX3141 User’s Manual Chapter 9. Configuring Firewa ll/NAT Sett ings 47 9 Configuring Firewall/NA T Settings The RX3141 provi des built-i n firewall/ NAT functions, enabli ng you to protect the sy st.
Chapter 9. Configuring F irewall/NAT Sett ings RX3141 User’s Manual 48 the packet is droppe d; otherwise, the packet is eit her dropped or forwarded b ased on the action defined in t he matched A CL rule.
RX3141 User’s Manual Chapter 9. Configuring Firewa ll/NAT Sett ings 49 9.2 Router Security Settings 9.2.1 Basic Router Security Configuration Param eters Table 9.1 describe s the conf iguration p ara meter s avai lable for ba sic router secu rity configurat ion.
Chapter 9. Configuring F irewall/NAT Sett ings RX3141 User’s Manual 50 9.2.2.1 DoS Protection Configuration Parameters Table 9.2 provide s expla nation fo r each ty pe of DoS atta cks. You m ay check or unch eck the che ck box t o enable or disable the prot ection or detectio n for each type DoS attacks.
RX3141 User’s Manual Chapter 9. Configuring Firewa ll/NAT Sett ings 51 9.2.2.2 Config uring DoS Settings To configure Do S settings, follow the instructions below: 1. Open the Router Security configuration page as shown in Figure 9.1 by double clicking on Router Setup Î Security menu.
Chapter 9. Configuring F irewall/NAT Sett ings RX3141 User’s Manual 52 9.3 ACL Rule Configuration Parameters 9.3.1 ACL Rule Config uration Paramete rs Table 9.3 describe s the config uration pa ramet ers fire wall inb ound, out bound and sel f-access A CL ru les.
RX3141 User’s Manual Chapter 9. Configuring Firewa ll/NAT Sett ings 53 Field Description Subnet This option al lows yo u to in clude all th e compute rs that a re conn ected i n an IP subnet. When t his option is sele cted, the fo llowing f ields bec ome available f or ent ry: Address Enter the app ropriate IP address.
Chapter 9. Configuring F irewall/NAT Sett ings RX3141 User’s Manual 54 Field Description arbitrary source port number. Single This option allows you to apply th is rule to an applica tion with a specific source port number.
RX3141 User’s Manual Chapter 9. Configuring Firewa ll/NAT Sett ings 55 9.4 Configuring Inbound ACL Rules By creating ACL rul es in I nbou nd ACL co nfigurati on page as show n in Figu re 9.2, y ou can control (allow o r deny) in coming a ccess to compute rs on your LA N.
Chapter 9. Configuring F irewall/NAT Sett ings RX3141 User’s Manual 56 Figure 9.3 i llust rates how to creat e a rule t o allo w inbound HTTP (i. e. web serve r) service. This rule allows inbound HTTP traffic to be directed to the hos t w/ IP address 192.
RX3141 User’s Manual Chapter 9. Configuring Firewa ll/NAT Sett ings 57 9.4.4 Display Inbound ACL Rules To see existing inbound ACL rules , just open the Inbou nd ACL Rule config uration pag e by double clicking the Router Setup Î Inbound ACL menu. The exi sting i nbound A CL rules are displ ayed at the b ottom of t he configuratio n page.
Chapter 9. Configuring F irewall/NAT Sett ings RX3141 User’s Manual 58 4. Assign a priority for this rule by selecting a number from the “ Move to ” drop-down list. Note that the number indicates t he priority of the rule with 1 being the highest.
RX3141 User’s Manual Chapter 9. Configuring Firewa ll/NAT Sett ings 59 2. Click on the icon of the rule to be modified in the outbound ACL table or select the rule nu mbe r from the “ ID ” drop-down list.
Chapter 9. Configuring F irewall/NAT Sett ings RX3141 User’s Manual 60 Figure 9 .8. Self-Access ACL Configuration Page 9.6.1 Add a Self-Access Rule To add a Self-Access ru le, follow the inst ructions bel ow: 1. Open the Self-Access Rule configuration page, as sho w n in Figure 9.
RX3141 User’s Manual Chapter 9. Configuring Firewa ll/NAT Sett ings 61 3. Make desired changes to any settings.. 4. Click on the button to save the changes. The new settings for thi s Self-Access rule will then be displayed in the Existing Self-Access ACL table located at the bottom half of the Self-Access ACL configuration pag e.
Chapter 9. Configuring F irewall/NAT Sett ings RX3141 User’s Manual 62 Figure 9.11 Sample Firewall Log 9.7.1 Log Format Two types of log are suppo rted by the RX314 1 – system secu rity log and firewall ac cess control l og. They are designated by the two keywords, sys a nd fw respectively .
RX3141 User’s Manual Chapter 11. System M anagement 63 10 V irtual Sever and S pecial Application This chap ter describes th e configuration proc edures for: f Virt ual Server f Spe cial Application NAT is the technology used to supp ort the above applications .
Chapter 11. System M anagement RX3141 User’ s Manual 64 Figure 10 .2 Reverse NA PT – Relay ed Incoming Packe ts to the Inte rnal Host Ba se on the Protocol, Port Number or IP Address 10.1.2 Reverse NAPT / Virtual Server Reverse NAPT is also cal led inbound mappin g, port mapping, or vi rtual server.
RX3141 User’s Manual Chapter 11. System M anagement 65 Table 10.1. Virtual Server Configuration Parameters Setting Description Enable Select an applicatio n from the list of pre-configur ed application s. The corresponding protoc ol and the redirect port range will be automatically selected.
Chapter 11. System M anagement RX3141 User’ s Manual 66 Application Service Port Numbers Netmeeting or VOIP 1503-1503 , 1720 (ALG) NEWS TCP 119-119 PC Anywhere TCP: 5631 PC Anywhere TCP: 5631, UDP: .
RX3141 User’s Manual Chapter 11. System M anagement 67 5. For security concerns, the RX3141 denies all the access requests from the external users unl ess a proper inbound ACL rule is setup for each virtual server to allo w external users to access the internal servers set up in th e Virtual Serv er config uration page.
Chapter 11. System M anagement RX3141 User’ s Manual 68 Setting Description Application Name The name ide ntifying the applicati on. Outgoing (Trigg er) Port Range The port range this application uses when it sen ds outbound packets. T he outgoing p ort numbe rs act a s the trig ger.
RX3141 User’s Manual Chapter 11. System M anagement 69 Following de scribes the pr ocedure to setup a spe cial applicati on for Quick Tim e. 1. Open the Special Application co nfiguration page, as shown in Fi gure 10.5, by double clic king the Advanced Î Special Application menu.
Chapter 11. System M anagement RX3141 User’ s Manual 70 11 System Management This cha pter describes the followin g administra tive tasks that you can pe rform u sing the Co nfigura tion Manager: f .
RX3141 User’s Manual Chapter 11. System M anagement 71 System Admini stratio n configurati on page, as sho wn in Figure 11.1, al lows you to chang e login password and other global settin gs for RX3141. Follow the steps below to change password and/o r system-wide settings : 1.
Chapter 11. System M anagement RX3141 User’ s Manual 72 11.2 Viewing System Information System Info rmation pa ge displ ays whenev er you log in t o RX3141.
RX3141 User’s Manual Chapter 11. System M anagement 73 11.3 Setup Date and T ime RX3141 keeps a record o f the curren t date and time , which it uses to calculate and report var ious data. However, there is no real time clock inside RX 3141; RX3141 relies on exter nal time s ervers to main tain correct time.
Chapter 11. System M anagement RX3141 User’ s Manual 74 11.3.1 View the Syst em Date and Time To view the up dated system da te and time, log into Configur ation Manager, click th e Router Setup Î Timezone menu.
RX3141 User’s Manual Chapter 11. System M anagement 75 5. RX3141 will then reboot thereafter to make the factory default configuration in effect. Note a count down timer such as the one shown in Figure 11.6 will display to i ndicate when the reboot process will be completed.
Chapter 11. System M anagement RX3141 User’ s Manual 76 2. In the Firmware text box, enter the path and nam e of the firmware image file. Alternatively, you may click on button to open a file manager to search for the firmware imag e on your computer.
RX3141 User’s Manual Chapter 11. System M anagement 77 5. A count down timer will disp lay, as shown in Figure 11.11, after the firmware upgrade is completed. You’ll be reconnecte d back to RX3141 when the counter returns to zero. You may need to manually connect back to the RX 3141 if you are not connected ba ck to RX3141 automatically.
Chapter 11. System M anagement RX3141 User’ s Manual 78 11.6 System Reboot 1. Open the System reboot page, as shown in Figure 11.12, by double clicking the Management Î Reboot menu. 2. Click on the button in the reboot the system. Figure 11.12. System Reb oot Page 3.
RX3141 User’s Manual Chapter 11. System M anagement 79 11.7 . System Configuration Management 11.7.1 Backup System Configuration Follow the s teps below to back up system configura tion: 1. Open the System Configurati on Backup/Restore page, as illustrated in Fi gure 11.
Chapter 11. System M anagement RX3141 User’ s Manual 80 5. Enter the desired filename for the backup configur ation file as illustrated in Figure 11.17and click on the button to continue. Figure 11.17. System Configuration Backup Page – Save As D ialog 6.
RX3141 User’s Manual Chapter 11. System M anagement 81 11.7.2 Restore Syst em Configuration Follow the s teps below to back up system configura tion: 1. Open the System Configuration Backup/Restore configuration page by double clicking the Management Î Backup/Restore menu.
Chapter 11. System M anagement RX3141 User’ s Manual 82 3. Click on button to restore the sy stem configuration. 4. A message will pop up, as illustrated in Figure 11.21, to let you know whether the system configuration is successfull y restored. Note t hat you must reboot the RX3141 to make the new system configuration in effect.
RX3141 User’s Manual Chapter 12. IP Ad dresses, Network Masks, an d Subnets 83 12 IP Addresses, Network Masks, and Subnets 12.1 IP Addresses Note This sectio n pertains only to IP addres ses for IPv4 (versi on 4 of the Internet Proto col). IPv6 addr esses are not covere d.
Chapter 12. IP Addresses, Ne twork Masks, an d Subnets RX3141 User’ s Manual 84 12.2 Network classes The three common ly used network cl asses are A, B, and C. (There is al so a class D but it has a special use beyond the scope of this discussion.) These classes have different uses and char acteristics.
RX3141 User’s Manual Chapter 12. IP Ad dresses, Network Masks, an d Subnets 85 12.3 Subnet masks Definition mask A mask looks like a regular IP a ddress, but contains a pattern of bits that tel ls w.
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RX3141 User’s Manual Appendix 87 13 T roubleshooting This appendix su ggests solutions for problems you may encounter in installing or using the RX3141 , and provides inst ruction s for usi ng several I P util ities to di agnose problems. Contact Customer Support if these suggestions do not resolve the problem.
Appendix RX3141 User’s Manual 88 Problem Troubleshooting Sugge stion PCs cannot display web pages on the Internet. Verify that the DNS server specified on the PCs i s correct fo r your ISP, as discu ssed in th e item ab ove. You can use t he ping utility, discussed in the foll owing section, t o test conn ectivity wit h your ISP’s DNS server.
RX3141 User’s Manual Appendix 89 Figure 13.1. Using the ping Utility If the target computer cannot be located, you will receive the message “Request timed out.” Using the pi ng comma nd, you can t est wh ether the path to th e RX3 141 is working (using t he pre configu red default LAN IP address 192.
Appendix RX3141 User’s Manual 90 Figure 13.2. Using the nslookup Ut ility There ma y be several addresses associated with an Internet name. This is common for web sites that receive heavy traffic; t hey use m ultiple, redun dant server s to carry t he same i nformati on.
RX3141 User’s Manual Appendix. 91 14 Index Computer s configuring IP inf ormation, 10 Configuration Man ager overview, 17 troubleshooting , 106 Connectors rear pane l, 6 Date and time, chang ing, 88.
Appendix 14. Index RX3141 User’s Manual 92 defined, 75 NAPT, 75 Overload , 75 PAT, 75 Reverse NAPT, 76 Virtual Se rver, 76 Navigating, 18 Netmask . See Netw ork mask Network c lasses, 101 Network ID.
An important point after buying a device Asus RX3141 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Asus RX3141 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Asus RX3141 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Asus RX3141 you will learn all the available features of the product, as well as information on its operation. The information that you get Asus RX3141 will certainly help you make a decision on the purchase.
If you already are a holder of Asus RX3141, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Asus RX3141.
However, one of the most important roles played by the user manual is to help in solving problems with Asus RX3141. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Asus RX3141 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
