RX3042H
ADSL Cable modem
1.1
LAN 4 Gigabit
WAN 10/100Base-T
NAT Network Access Translation
DHCP
IP DNS DDNS
WAN WAN DMZ
Internet Exlorer 6.0
1.2
RX3042H
ADSL Cable modem
WAN
10Base-T 100Base-T 1000Base-T
NIC
/
Web-based GUI
Internet Explorer 6.0
1
2.1
AC
2.2
4
2.3
RX3042H
RX3042H
LAN
WAN
10/100M
MDI/MDIX
2.3.1 NAT
RX3042H NAT
E-mail Web NAT
RX3042H NAT
NAPT Network Address and Port
Translation IP ENAT NAT Enhanced
NAT IP
IP
NAT
3
NAPT
/ IP
2.3.2
RX3042H
Stateful Packet Inspection
ACL
DoS
2.3.2.1 Stateful Packet Inspection
RX3042H
2.3.2.1 Packet Filtering - ACL
ACL
IP
E-mail
ACL
RX3042H ACL
IP
Wild card
4
2.3.2.3 DoS
RX3042H
DoS
attack SYN Floodig IP Smurfing LAND
Ping of Death RX3042H
WinNuke
R X3141
IP spoofing Ping of Death Land Attack
RX3042H /
2.1 DoS
DoS
Bonk Boink Teardrop(New Tear) Overdrop Opentear Syndrop
Jolt IP fragmentation
ICMP Ping of Death Smurf Twinge
Flooders ICMP Flooder UDP Flooder SYN Flooder
TCP SYN
TCP XMAS TCP Null TCP Stealth
PF Echo-Chargen Ascend Kill
IP spoofing LAND Targa WinNuke
2.3.2.4 ALG
FTP
ALG Application Level
Gateway
RX3042H FTP H.323
RTSP Microsoft Games SIP ALG
2.3.2.5 Log
RX3042H
5
2.4
2.4.1
LED
2.1 LED
2.2 LEDs
LED
1 Power RX3042H
RX3042H
2 Status
3 USB USB
1-2 USB
4 WAN1
WAN2/ 100Mbps
DMZ 100Mbps
5 LAN LAN
USB
10Mbps
10Mbps
1-4 100Mbps
100Mbps
10Mbps
10Mbps
6
2.4.2
2.3
LAN WAN
2.2
61 - 4 PC
7 WAN1 WAN WAN + DMZ WAN
WAN2/ ADSL Cable modem DMZ DMZ
DMZ WAN2/DMZ
8 USB USB USB 1.1 2.0
9 Console
10 RESET
1.
2. 5
11 POWER AC
/ uplink
2.4.3
12. RX3042H
7
RX3042H
Part 1
Part 2
Part 3 RX3042H
4.3
ADSL Cable
3.1 Part 1
Part 1 ADSL Cable Modem
/( ) RX3042H
(ISP)
3.1
3.1.1 Step 1 ADSL Cable Modem
RX3042H
WAN ADSL Cable
modem
9
3.1.2 Step 2
4
RX3042H 1-4
4
Uplink
1-4
3.1.3 Step 3 AC
AC POWER
3.1.4 Step 4 RX3042H ADSL Cable Modem
AC RX3042H
ADSL Cable Modem
10
3.1
3.2.2 Windows XP
1. Windows < >
2.
3. (NIC)
< >
( )
4. TCP/IP
< >
5. IP
DNS
/ <
>
6. < >
3.2.3 Windows 2000
IP
1. Windows < >
2.
3.
TCP/IP
10
4. TCP/IP <
>
5. < >
6. Internet Protocol TCP/IP < >
Windows 2000
12
7. < >
RX3042H IP
8.
9.
10. Internet Protocol TCP/IP
< >
11. TCP/IP IP
DNS
12. < >
3.2.4 Windows 95 98 ME
1. Windows < >
2.
TCP/IP ->
< >
TCP/IP
8
3. TCP/IP <
>
4. < >
5. Microsoft TCP/
IP < >
6. < >
RX3042H IP
7.
8. TCP/IP->
< >
9. TCP/IP IP
13
10. TCP/IP
192.168.1.1 RX3042H
IP < >
11. < >
12. < >
3.2.5 Windows NT 4.0
IP
1. Windows NT < >
2.
3.
TCP/IP
9
4. TCP/IP <
>
5. TCP/IP < >
Windows NT
DHCP IP
6. < >
< >
RX3042H IP
7.
8.
9. TCP/IP < >
10. Microsoft TCP/IP DHCP
IP
11. < >
14
TCP/IP
3.2.6 IP
RX3042H IP
IP ( ) IP
IP
RX3042H 192.168.1.0
192.168.1.0 IP PC
RX3042H
RX3042H IP 192.168.1.1 255.255.255.0 192.
168.1.1
IP 3.2
IP
TCP/IP
IP DNS
IP RX3042H
IP
IP
15
3.3 Part 3 RX3042H
3 RX3042H Configuration
Manager ISP
RX3042H
3.3.1 RX3042H
RX3042H
12. RX3042H Configuration Manager
HTTP proxy Internet
Explorer
Proxy
13. RX3042H
URL <Enter>
http://192.168.1.1
RX3042H IP
3.2
16
3.2
RX3042H
RX3042H IP
192.168.1.0 192.168.1.2
14. OK
Configuration Manager
admin
admin
10.2
3
3.
3.3
15. RX3042H LAN WAN
RX3042H
17
3.3.2
ADSL Cable Modem
URL http://www.asus.com WAN
LEDs
12
3.3.3
ISP DSL RX3042H
3.2
ISP
ISP
RX3042H
3.2
18
3.2
DHCP
DHCP
192.168.1.100
192.168.1.149
IP IP 192.168.1.1
255.255.255.0
/
RX3042H IP
2
RX3042H IP 6.1
DHCP
RX3042H
IP
5.1
IP