
Configuring SNMP, RMON, BootP, DHCP, and RARP Services
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Figure 2-6. BOOTREQUEST and BOOTREPLY Fields
The packet relay process uses these fields as follows:
1. When a router interface receives a BOOTREQUEST packet, the router
examines the seconds and hops fields in the packet and compares these values
to BootP parameters you configured on that interface.
The seconds field contains the minimum number of seconds that the router
waits before forwarding a BOOTREQUEST packet. If the value in the
seconds field of the packet is less than the value of the Timeout Secs.
parameter you configured on the interface, the router drops the packet.
The hops field contains the maximum number of hops that a packet can take
between the source and destination devices. If the packet has traversed more
hops than the value of the hops parameter you specified for that interface, the
router drops the packet.
Transaction ID (4)
Seconds (2)
Flags (2)
Client IP address (4)
Your IP address (4)
Server IP address (4)
Gateway IP address (16)
Client hardware address (16)
Server name (64)
File name (128)
Vendor-specific area (64)
Operation (1)
*
Hardware type (1)
Hardware address
length (1) Hops (1)
*
The number in parentheses indicates the number of octets in each field.
SNM0001A
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