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9-5
DHCP Client Configuration
9.3.2 Interface
interface "
nam
e" {
declarations
... }
A client with more than one network interface may require different
behaviour depending on which interface is being configured. All timing
parameters and declarations other than lease and alias declarations can be
enclosed in an interface declaration, and those parameters will then be
used only for the interface that matches the specified name. Interfaces for
which there is no interface declaration will use the parameters declared
outside of any interface declaration, or the default settings
9.4 DHCP Options
The DHCP client supports only a subset of configuration options specified
in [3]. However, this mechanism is extensible, allowing vendor-specific
customization and possible support of more options in future. A DHCP
client accepts the following information and uses it to configure the IP
stack:
IP address
Subnet mask
The following would be useful, but are not supported in current software:
Default routers (one only)
Static routes
These are less useful but it is possible they will be supported in future:
IP forwarding enable/disable
Default IP time-to-live (TTL)
Interface Maximum Transmission Unit (MTU)
Host name
The following are not configurable in the current IP core and are unlikely
to be supported:
Non-local source routing enable/disable
Policy filters for non-local source routing
Maximum re-assembly size
Path MTU ageing timeout
MTU plateau table
All-subnets-MTU
Broadcast address flavour
Perform mask discovery
Be a mask supplier
Perform router discovery
Router solicitation address
Trailer encapsulation
ARP cache timeout