Afar NX-2E1, Руководство оператора

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NetCrossing Gateway NX-2E1/T1 Operator’s Manual
v -
TABLE OF CONTENTS
1 PRODUCT DESCRIPTION................................................................................................................... 1-1
1.1 O
VERVIEW
............................................................................................................................................. 1-1
1.2 F
RONT
P
ANEL
........................................................................................................................................ 1-3
1.3 R
EAR
P
ANEL
.......................................................................................................................................... 1-5
2 THEORY OF OPERATION .................................................................................................................. 2-1
2.1 W
IDE
A
REA
N
ETWORK
(WAN) ............................................................................................................. 2-1
2.2 LAN P
ORT
............................................................................................................................................. 2-1
2.3 S
ERIAL
(TDM) P
ORTS
............................................................................................................................ 2-2
2.3.1 Connection Setup.......................................................................................................................... 2-2
2.3.2 Serial Data Encapsulation............................................................................................................ 2-3
2.3.3 Jitter Buffer and Link Latency ...................................................................................................... 2-5
2.3.4 Clock Sources ............................................................................................................................... 2-6
2.4 S
YNCHRONIZATION
P
ORT
....................................................................................................................... 2-8
3 UNIT CHECKOUT AND FIRMWARE UPGRADES......................................................................... 3-1
3.1 B
ENCH
C
HECK
O
UT
............................................................................................................................... 3-1
3.2 U
PGRADING THE
F
IRMWARE
. ................................................................................................................. 3-2
3.2.1 Description ................................................................................................................................... 3-2
3.2.2 Installing new firmware through the Ethernet port ...................................................................... 3-3
3.2.3 Installing new firmware using Telnet ........................................................................................... 3-4
3.2.4 Installing new firmware using the RS-232 serial port .................................................................. 3-5
3.2.5 Feature upgrades.......................................................................................................................... 3-7
4 COMMANDS........................................................................................................................................... 4-1
4.1 C
ONFIGURATION TECHNIQUES
............................................................................................................... 4-1
4.2 C
OMMAND SYNTAX
................................................................................................................................ 4-1
4.3 C
ONFIGURATION
M
ANAGEMENT
C
OMMANDS
........................................................................................ 4-3
4.4 M
AJOR
C
ONFIGURATION
P
ARAMETERS
.................................................................................................. 4-5
4.5 I
NTERNET
P
ROTOCOL
(IP) M
ANAGEMENT
C
OMMANDS
....................................................................... 4-12
4.6 I
NSTALLATION AND
M
ONITORING
C
OMMANDS
.................................................................................... 4-14
4.7 F
ILE
U
TILITIES
..................................................................................................................................... 4-16
4.8 E
VENT
L
OGGING
C
OMMANDS
.............................................................................................................. 4-18
4.9 M
ISCELLANEOUS COMMANDS
.............................................................................................................. 4-19
5 NETWORK MANAGEMENT............................................................................................................... 5-1
5.1 T
ELNET
.................................................................................................................................................. 5-1
5.1.1 General......................................................................................................................................... 5-1
5.1.2 Starting a Telnet Session .............................................................................................................. 5-1
5.1.3 Telnet Security .............................................................................................................................. 5-2
5.2 SNMP.................................................................................................................................................... 5-2
5.2.1 Command Line Interface Versus SNMP ....................................................................................... 5-2
5.2.2 What is SNMP?............................................................................................................................. 5-3
5.2.3 Security Considerations in SNMP ................................................................................................ 5-3
5.2.4 Examples of Network Management Systems................................................................................. 5-4
5.2.5 NetCrossing Gateway Management Information Base (MIB)...................................................... 5-4
APPENDIX A – COMMAND SUMMARY .................................................................................................. A-1
APPENDIX B - SPECIFICATIONS...............................................................................................................B-1
APPENDIX C – ETHERNET CONSOLE PROGRAM .............................................................................. C-1
APPENDIX D – QUICK SETUP ................................................................................................................... D-1