| LAN
Interface |
Two
10 Base-T / 100 Base-TX Port (RJ-45) |
WAN
Interface
|
Three
Synchronous V.35 Serial Port (E1/T1) - (One serial
ports is optional)
2 Wireless LAN (Optional) |
| Console
|
RJ-45
Console Port (57,600 bps) |
| Indications
|
Power, RUN, LAN 0 (Link/Active, Half/Full, 10/100),
LAN 1 (Link/Active, Half/Full, 10/100), WAN 0
(Link/Active, WAN 1 (Link/Active) LED
|
| CPU
|
166MHz
32Bit RISC Processor |
| Memory
|
Flash
: 2MB (upto 8MB)
SDRAM : 32MB (upto 128MB) |
| Environmental
Requirements |
Ambient
Operation Temperature: 0°C to 50°C
Storage Temperature: -20°C to 70°C
Relative Humidity: 10% to 90% Non-Condensing |
| Power
Requirements |
AC
Power Input Range : 110 ~ 240 VAC, 50 ~ 60 Hz |
| Dimensions
|
W
440mm (19")
H 44mm (1U)
D 200mm (7.87") |
| Internetworking
Protocols |
Ethernet,
PPPoE, HDLC, PPP, Frame-Relay
- Support HDLC/PPP auto-detection and loop-indication
IP, ARP, ICMP, UDP, TCP, TFTP, SNMP
BOOTP/DHCP relay agent
DHCP (Client & Server)
UDP forwarding
Null Interface
Load Balancing / Dynamic Backup
DDNS
Proxy-ARP |
| Routing
Protocols |
IP
Static
Policy Routing
RIPv1, RIPv2
OSPFv2
BGPv4
IS-IS (to be implemented) |
| Security
|
NAT
+ PAT
IP Filtering
Access-List
VPN-IPSEC (L2TP over IPSec, IPSec over L2TP)
- DES, 3DES
- MD5, SHA1
VPN-L2TP (Client & Server) |
| QoS
|
Weighted
Fair Queueing(WFQ)
Rate-Limit |
| Network
Managements |
Console
Telnet (Client & Server)
Dynamic configuration without reboot
System log
SNMPv2
IP-Account
User Access Control
Remote upgrade by TFTP
Line-Health Checking |
LB
1121 라우터는 기본적으로, ADSL/VDSL/Cable Modem과 전용선 사용자를 위해 개발
되었습니다. 
