Protocol-specific Commands
4.1DHCP server commands
The commands in this section are:
•help dhcpsrv on page 4-2
•dhsrv on page 4-3
•dhlist on page 4-4
•dhentry on page 4-5
•dhdelete on page 4-6
•dhpools on page 4-7.
4.1.1help dhcpsrv
The help dhcpsrv command displays a list of DHCP server commands.
Syntax dhcpsrv
Example
INET> help dhcpsrv dhcpsrv commands:
dhsrv |
- DHCP server statistics |
dhlist |
- DHCP server assigned addresses |
dhentry |
- list specific entry details |
dhdelete |
- delete a DHCP entry |
dhpools |
- list free address pools |
INET> |
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4-2 |
Copyright © 2000-2001 ARM Limited. All rights reserved. |
ARM DUI 0145B |
Protocol-specific Commands
4.1.2dhsrv
The dhserv command displays the DHCP server statistics.
Syntax dhsrv
Example
INET> dhsrv
plain bootp requests received: 0 plain bootp replys sent: 0 discover packets received: 1 offer packets sent: 1
dhcp request packets received: 5 declines received: 0
releases received: 0 acks sent: 5
naks sent: 0
requests for other servers: 0 protocol errors; all types: 0 INET>
Usage
All of the packet types in the example are described in RFC2131. BOOTP packets are kept in separate categories.
ARM DUI 0145B |
Copyright © 2000-2001 ARM Limited. All rights reserved. |
4-3 |
Protocol-specific Commands
4.1.3dhlist
The dhlist command displays the list of IP addresses assigned by the DHCP Server.
Syntax dhlist
Example
INET> dhlist |
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no DHCP/BOOTP entrys in database |
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INET> dhlist |
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IP addr |
client ID |
type |
status |
lease |
1 |
10.0.1.95 00:20:AF:CA:0A:AE |
dbase |
Unassigned N/A |
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2 |
10.0.1.98 00:60:08:4D:C3:AA dbase |
Assigned via DHCP 60 |
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2 |
Entries |
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INET>
Usage
The sample list may include clients that are defined in the database files, but that have not yet been assigned using DHCP.
The Unassigned status may indicate that:
•a client MAC address has been mistyped in the database file
•a client lease has expired
•a client machine has been switched off.
4-4 |
Copyright © 2000-2001 ARM Limited. All rights reserved. |
ARM DUI 0145B |
Protocol-specific Commands
4.1.4dhentry
The dhentry command shows the details about a particular entry in the DHCP database. For each IP address assigned by the DHCP Server, an entry is made in the database.
Syntax
dhentry index_number
where: |
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index_number |
Is the number that identifies the IP address in the database. |
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Example |
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INET> dhlist |
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IP addr |
client ID |
type |
status |
lease |
1 |
10.0.1.95 00:20:AF:CA:0A:AE |
dbase |
Unassigned N/A |
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2 |
10.0.1.98 00:60:08:4D:C3:AA |
dbase |
Assigned via DHCP 60 |
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2 |
Entries |
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INET> dhentry 1
IP:10.0.1.95 - client ID:00:20:AF:CA:0A:AE - status:Unassigned subnet:255.0.0.0 gateway:10.0.0.1 DNS:10.0.0.1
lease 367, type: dbase , name: bpc18 INET>
ARM DUI 0145B |
Copyright © 2000-2001 ARM Limited. All rights reserved. |
4-5 |