Avaya Configuring SNMP, RMON, BOOTP, DHCP, and RARP Services Bedienungsanleitung Seite 96

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Configuring SNMP, RMON, BOOTP, DHCP, and RARP Services
5-2 114070 Rev. B
Specifying Maximum Number of Hops from Client to Server
A hop is the logical distance between two devices. By default, the maximum
number of hops a packet can take from the source device to the destination device
(client to the server) is 4. To change the default, specify a value from 1 to 16.
If the value in the hops field of a BOOTPREQUEST packet is greater than the
value you specify for the Hops parameter, the router drops the packet.
Specifying a Minimum Timeout Value
By default, the router immediately forwards BOOTREQUEST packets to the
destination address in the BOOTP relay forwarding table. You can determine the
minimum number of seconds that the router waits before forwarding a
BOOTREQUEST packet out an interface by assigning a value to the Timeout
Secs. parameter. If the value in the seconds field of a BOOTREQUEST packet is
less than the value you specified for the Timeout Secs. parameter you configured
on the interface, the router drops the packet.
The default value is 0 seconds. To change the default, specify a value from 1 to
65535 seconds.
Filtering Unwanted BOOTP and DHCP Packets
Both BOOTP and DHCP use the BOOTP relay agent to forward packets. To
reduce network traffic, you may want to control whether an interface transmits
BOOTP packets, DHCP packets, or both. For example, you may want to set a
filter to prevent BOOTP traffic from traversing a network segment that contains
DHCP servers but not BOOTP servers.
You configure this type of filter by setting the Pass Through Mode parameter. The
default setting is BOOTP and allows the interface to transmit only BOOTP
packets. Be sure to change the setting if you want to transmit DHCP messages.
Site Manager: Hops parameter: page A-19
Site Manager: Timeout Secs. parameter: page A-20
Site Manager: Pass Through Mode parameter: page A-20
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