Allied Telesis AT-S25 - Manual (Page 38)

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Configuring IP Parameters
If the AT-8300 stack is in a TCP/IP network and you want to manage the
stack remotely with a Telnet utility or a web browser, you must assign
the stack a set of IP parameters, including a unique IP address and a
subnet mask. You can assign these parameters either one of two ways:
❑ Manually using the Omega interface
❑ Automatically using a BootP or DHCP server.
If you have a BootP or DHCP server on your network, the stack can
automatically obtain its IP parameters from the server during startups. In
this case, you simply connect the stack to the network. The function of
the BootP or DHCP utility within an IP server is to provide IP parameters,
including an IP address, to the switches and stacks in the network.
Whenever you reset or power cycle an AT-8300 stack, the master switch
in the stack transmits a request packet to the server every three seconds
to obtain the required IP parameters.
If the master switch receives a response from the BootP or DHCP server,
the switch extracts the IP address, subnet mask, and gateway/router
address and uses these parameters to configure the stack until the next
power-on or reset. Additionally, if the BootP response packet specifies a
filename and a server address, then the master switch sends a request to
the server using the specified filename. This initiates a download of the
operating software and allows you to maintain the downloaded
software on your server.
Note
If you have a BootP or DHCP server, the server will provide the IP
configuration to the master switch in a stack as long as you
configure the server with the master switch’s MAC address.