Dell FCX624-E Laptop User Manual


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PowerConnect B-Series FCX Configuration Guide 845
53-1002266-01
Configuring IP parameters – Layer 3 Switches
26
Default DHCP server settings
Table 151 shows the default DHCP server settings.
DHCP server CLI commands
This section describes the CLI commands that are available in the DHCP Server feature.
TABLE 151 DHCP server default settings
Parameter Default Value
DHCP server Disabled
Lease database expiration time 86400 seconds
The duration of the lease for an assigned IP address 43200 seconds (one day)
Maximum lease database expiration time 86400 seconds
DHCP server with option 82 Disabled
DHCP server unknown circuit-ID for Option 82 Permit range lookup
IP distribution mechanism Linear
TABLE 152 DHCP server optional parameters commands
Command Description
dbexpire Specifies how long, in seconds, the DHCP server should wait before
aborting a database transfer
option domain-name Specifies the domain name for the DHCP clients.
option
domain-nameservers
Specifies the Domain Name System (DNS) IP servers that are
available to the DHCP clients.
option merit-dump Specifies the path name of a file into which the client’s core image
should be placed in the event that the client crashes (the DHCP
application issues an exception in case of errors such as division by
zero).
option root-path Specifies the name of the path that contains the client’s root
filesystem in NFS notation.
option router Adds the default router and gateway for the DHCP clients.
option subnet-mask Defines the subnet mask for the network.
option
broadcastaddress
Defines a broadcast address for the network.
option wins-server Defines the NetBIOS Windows Internet Naming Service (WINS) name
servers that are available to Microsoft DHCP clients.
option log-servers Defines a list of log servers available to the client.
option
bootstrapserver
Specifies the IP address of the bootstrap server (the command fills
the “siaddr” field in the DHCP packet).