Lanbird 1004 Manual de usuario
LANBIRD 1004 IOS Manual
LANBIRD 1004 IOS Manual
Copyright 2001 by LANBIRD Technology. All rights reserved.
LANBIRD Technology is a registered trademark; and LANBIRD 1004 is a registered trademark of
LANBIRD Technology Co., Ltd. Any part of this documentation can be used in any form or by any
means or to make any directive work(such as transformation) without approval from LANBIRD
Technology Co., Ltd. LANBIRD Technology Co., Ltd. reserves the right as the original manufacturer
to reform this documentation and to make changes in contents without any responsibility among
LANBIRD Technology Co., Ltd. to provide notification of such reform or change.
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LANBIRD 1004 IOS Manual
Contents
LANBIRD 1004 IOS Manual..........................................................................................................1
How to Use IOS Commands.........................................................................................................6
LANBIRD command mode overview .....................................................................................6
User mode..............................................................................................................................7
Root mode..............................................................................................................................8
Configuration mode................................................................................................................8
Two types of password...........................................................................................................9
Interface Configuration Management..........................................................................................10
Interface number..................................................................................................................10
Ethernet interface configuration...........................................................................................10
Serial interface configuration................................................................................................10
keepalive configuration ........................................................................................................ 11
Viewing the interface status................................................................................................. 11
Viewing the Ethernet interface status........................................................................... 11
Viewing the serial interface status................................................................................ 11
Management of IPAddresses and Routing Configuration..........................................................13
Configuring the primary IP address for the network interface..............................................13
Configuring several IP addresses for the network interface ................................................13
Deleting the IP address from the network interface.............................................................13
Routing table configuration ..................................................................................................14
Domain Name System (DNS) server configuration .............................................................14
Network Address Translation (NAT) configuration...............................................................15
NAT terminology............................................................................................................15
Enabling/disabling NAT function...................................................................................16
NAT configuration when more than one public IP address is possessed.....................16
Configuring the public address space in the inside network.........................................18
Using Internet by using only one public IP address (PAT)............................................19
Configuring a server inside by using only one public IP address.................................19
Opening A Specific Port ................................................................................................21
Configuring the NAT timer.............................................................................................21
Configuration the NAT table size ..................................................................................22
Frame-Relay Configuration Management...................................................................................23
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LANBIRD 1004 IOS Manual
Configuring Permanent Virtual Circuit (PVC) frame-relay....................................................23
Connecting frame-relay.................................................................................................23
Setting the frame-relay protocol....................................................................................23
Setting the Data Link Connection Identifier (DLCI).......................................................24
Configuring the Local Management Interface (LMI).....................................................25
Example of the configuration the PVC frame-relay ......................................................27
Filtering........................................................................................................................................30
The purpose of Filtering.......................................................................................................30
How to use Filtering .............................................................................................................30
The Position of LANBIRD Filter with Inbound and outbound...............................................31
Types of Protocols Which Can Be Filtered ..........................................................................32
Filtering Policy......................................................................................................................32
Process of Accomplishing Filtering ......................................................................................33
The Configuration and Enforcement of LANBIRD Filter......................................................33
Add Data on Filter.........................................................................................................33
Delete Data on Filter.....................................................................................................34
Default filter...................................................................................................................34
How to Use...........................................................................................................................35
Filter Command ............................................................................................................35
Explanation of Filter Command ....................................................................................35
Assigning Method of Network Address.........................................................................36
Set command configuration..........................................................................................36
Example of Filtering .............................................................................................................37
Example of set command .............................................................................................37
The Example of Filtering after Version 0.4.4...............................................................................39
BOOTP-relay...............................................................................................................................43
Example of BOOTP-relay.....................................................................................................43
Working Principle .................................................................................................................44
Explanation of Command.....................................................................................................44
Using Tips.............................................................................................................................44
DHCP(Dynamic Host Configuration Protocol) server..................................................................46
Example of DHCP server.....................................................................................................46
Working Principle .................................................................................................................47
Necessary Information for Server........................................................................................47
Configuration of Host ...........................................................................................................47
Explanation of Command.....................................................................................................48
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LANBIRD 1004 IOS Manual
Enabling DHCP-server...............................................................................................48
Adding DHCP-server ....................................................................................................48
Deleting DHCP-server ..................................................................................................49
Add/Delete DNS-server ................................................................................................49
Lease time configuration...............................................................................................49
Additional gramer check after version 0.4.1.........................................................................50
Example of Configuration.....................................................................................................51
Giving condition ............................................................................................................51
Configuration.................................................................................................................51
Conforming the Configuration..............................................................................................52
Conforming the configuration of Host...........................................................................52
Conforming the configuration of Host...........................................................................52
Dynamic Backup .........................................................................................................................54
Purpose................................................................................................................................54
Example ...............................................................................................................................54
Method of Configuration.......................................................................................................54
Consideration.......................................................................................................................55
Example ...............................................................................................................................55
Conforming Configuration....................................................................................................57
Load balaning..............................................................................................................................59
Purpose................................................................................................................................59
Example of Load Balancing .................................................................................................59
Consideration of Load Balancing.........................................................................................59
What is Metric? ....................................................................................................................60
LANBIRD Load balancing Configuring Tips.........................................................................60
Method of Configuration.......................................................................................................61
Command.............................................................................................................................61
Example ...............................................................................................................................62
Giving Condition............................................................................................................63
when configuring on Router A.......................................................................................63
Conforming Configuration....................................................................................................63
UDP forward................................................................................................................................64
Example ...............................................................................................................................64
Advantages of UDP Forwarding...........................................................................................64
Required Information of Forwarding udp Packet .................................................................65
Using Tips.............................................................................................................................65
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LANBIRD 1004 IOS Manual
Add/Delete Helper.........................................................................................................65
Add/Delete Port.............................................................................................................65
Example ...............................................................................................................................66
Queueing.....................................................................................................................................68
Types of Queueing...............................................................................................................68
Advantages of WFQ.............................................................................................................68
Example ...............................................................................................................................69
Using Tips.............................................................................................................................69
Example ...............................................................................................................................70
User.............................................................................................................................................71
Using Tips.............................................................................................................................71
Consideration.......................................................................................................................72
Example........................................................................................................................73
IP-account ...................................................................................................................................74
Working Principle .................................................................................................................74
Related Command...............................................................................................................75
Example ...............................................................................................................................75
Conforming ip-account table................................................................................................75
NULL Interface ............................................................................................................................77
Working Principle .................................................................................................................77
Example ...............................................................................................................................77
How to use...........................................................................................................................78
Null interface Example.........................................................................................................78
Appendix 1. Subnet mask and available IP addresses...............................................................81
Subnet mask 255.255.255.128............................................................................................81
Subnet mask 255.255.255.192............................................................................................81
Subnet mask 255.255.255.224............................................................................................81
Subnet mask 255.255.255.240............................................................................................82
Subnet mask 255.255.255.248............................................................................................83
Subnet mask 255.255.255.252............................................................................................84
Appendix 2. Examples of Lanbird 1004 Router NAT Configuration (version 0.3.5 and later)
.....................................................................................................................................................86
Examples of router configuration.........................................................................................86
Example of subscriber PC configuration:.............................................................................87
5
How to Use IOS Commands
How to Use IOS Commands
LANBIRD command mode overview
Lanbird IOS is divided into several command modes and the commands which can be
used by mode are defined in each mode.
The command mode mainly consists of the following three layers.
User mode →Root mode →Configuration mode
When the connection to the system is done initially, the user mode is active. Only the
commands, which enable only basic management of the system, can be used in this
mode.
It is possible to enter the root mode from the user mode by using the "root"
command. In the root mode, it is possible to convert to the configuration mode in
which the system configuration can be changed and to use all the commands for the
system management.
It is possible to enter the configuration mode from the root mode by using the "config"
command. In the configuration mode, it is possible to change all the configuration
values of the system.
Entering question mark (?) on the system prompt will display all the commands which
can be used in the current mode.Also, there are on-line helps for all commands.
Whenever it is desired to know how to use commands, enter question mark in the
middle of a command. Then, the types of the commands which can be entered in the
current status and their descriptions will be displayed. The following example shows
the on-line help functions.
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How to Use IOS Commands
LANBIRD> ?
Exit Exit from login state
help Describe interactive help system
ping Send ICMP echo messages
root Change to root mode
show Show current system information
telnet Connect to a remote host by TELNET
tracert Trace route to destination
LANBIRD> show ?
arp ARP table
bridge Bridge table
config Saved configuration
dns DNS table
frame-relay Frame relay information
interface Interface information
log Log file
nat NAT table
rconfig Running configuration
route Routing table
system System information
snmp SNMPinformation
user Information about currently connected users
LANBIRD> show r?
rconfig route
LANBIRD> show r
User mode
If a connection is made through console without any password or the connection to a
router is made by entering the login password in the network, the default is the user
mode. In this mode, only part of root mode commands are available. In general, the
commands through which one can view the router status are provided. The prompt
ends with ">" as shown next.
LANBIRD>
7
How to Use IOS Commands
The prompt of the initial product is LANBIRD and it is possible to change it by using
the "prompt" command in the root mode. To exit from the user mode, use the "exit"
command.
Root mode
Because the user can easily change the system configuration in the root mode,
password should be used to access this mode. To enter the root mode, use the "root"
command as shown below. The prompt ends with "#".
LANBIRD> root
Password: *******
LANBIRD#
In this mode, the user can use all the commands and enter the configuration mode to
change the system configuration. To exit the root mode, use the "exit" command as
shown below.
LANBIRD# exit
LANBIRD>
Configuration mode
The user can enter this mode, in which the user can change the router’s configuration,
by using the "config" command. The prompt ends with "(config)#".
LANBIRD# config
LANBIRD(config)#
To exit the configuration mode, use the "end" or "exit" command.
LANBIRD(config)# exit
LANBIRD#
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How to Use IOS Commands
Two types of password
* Login password
- Used to make a connection to a router through telnet.
- Password of the initial products: lanbird <-- small letters
- If the login is performed properly, the default after the connection to the router is the
user mode.
* Root password
- Used to move to the root mode after the connection to the router through console
and telnet.
- Root password for the initial products: lanbird <-- small letters
9
Interface Configuration Management
Interface Configuration Management
Interface number
Lanbird routers use interface numbers in each command. The interface numbers and
corresponding interfaces are shown below.
Interface number Description
0 Ethernet interface 0
1 Serial interface 1
2 Serial interface 2
Ethernet interface configuration
A separate configuration is unnecessary because Ethernet automatically searches 10
Mbps or 100 Mbps interface.
Serial interface configuration
Lanbird routers support various Wide Area Network (WAN) interface protocols.
Especially, Point to Point Protocol (PPP) and Cisco High level Data Link Control
(HDLC) automatic detection function are very convenient because they do not
necessitate a separate configuration of the line protocol in the general router
environment. The following shows how to configure the line protocol of the serial
interface.
Command Description
line-protocol ifnum {autodetect|ppp|hdlc|frame-relay} Configure the line protocol.
As a default of a router, the autodetect in the above table is to automatically detect
PPP or HDLC.
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