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xStack® DES-3528/DES-3552 Series Layer 2 Managed Stackable Fast Ethernet Switch CLI Reference Guide
478
config dhcp pool next_server
Purpose
Used to specify the next server to be used in the DHCP client boot process.
Syntax
config dhcp pool next_server <pool_name 12> {< ipaddr>}
Description
The next server used by the DHCP client boot process is typically a TFTP server. If the next
server information is not specified, it will not be provided to the client. If this command is
entered twice for the same pool, the second command will overwrite the first command.
It is allowed to specify next_server but not specify the boot file, or specify the boot file but not
specify the next_server.
Parameters
<pool_name 12>
– Specifies the name of the pool.
<ipaddr>
– Specifies the IP address of the next server.
Restrictions
Only Administrator and Operator and Power-User-level users can issue this command.
Example usage:
To configure the next server:
DES-3528:admin# config dhcp pool next_server accounting 192.169.0.1
Command: config dhcp pool next_server accounting 192.169.0.1
Success.
DES-3528:admin#
config dhcp ping_packets
Purpose
Used to specify the number of ping packets the DHCP server sends to an IP address before
assigning this address to a requesting client.
Syntax
config dhcp ping_packets <number 0-10>
Description
By default, the DHCP server pings a pool address twice before assigning the address to a
DHCP client. If the ping is unanswered, the DHCP server assumes (with a high probability)
that the address is not in use and assigns the address to the requesting client.
If the ping is answered, the server will discard the current IP address and try another IP
address.
Parameters
<number 0-10>
– Specifies the number of ping packets. 0 means there is no ping test.
Restrictions
Only Administrator and Operator and Power-User-level users can issue this command.
Example usage:
To configure ping packets:
DES-3528:admin# config dhcp ping_packets 4
Command: config dhcp ping_packets 4
Success.
DES-3528:admin#
config dhcp pool ping_timeout
Purpose
Used to specify the amount of time the DHCP server must wait before timing out a ping
packet.
Syntax
config dhcp ping_timeout <millisecond 10-2000>
Description
By default, the DHCP server waits 100 milliseconds before timing out a ping packet.
Parameters
<millisecond> – Specifies the amount of time the DHCP server must wait before timing out a
ping packet. The default value is 100.
Restrictions
Only Administrator and Operator and Power-User-level users can issue this command.
Example usage: