Dave Duchscher writes:
> The description of the DHCP packet flow is incorrect. DHCP packet
> flow is the following for clients requesting a new lease. Diagram
> below copied from RFC 2131. For clients renewing a lease, only
> the REQUEST and ACK steps are done.
>
> Server Client Server
> (not selected) (selected)
>
> v v v
> | | |
> | Begins initialization |
> | | |
> | _____________/|\____________ |
> |/DHCPDISCOVER | DHCPDISCOVER \|
> | | |
> Determines | Determines
> configuration | configuration
> | | |
> |\ | ____________/ |
> | \________ | /DHCPOFFER |
> | DHCPOFFER\ |/ |
> | \ | |
> | Collects replies |
> | \| |
> | Selects configuration |
> | | |
> | _____________/|\____________ |
> |/ DHCPREQUEST | DHCPREQUEST\ |
> | | |
> | | Commits configuration
> | | |
> | | _____________/|
> | |/ DHCPACK |
> | | |
> | Initialization complete |
> | | |
> . . .
> . . .
> | | |
> | Graceful shutdown |
> | | |
> | |\ ____________ |
> | | DHCPRELEASE \|
> | | |
> | | Discards lease
> | | |
> v v v
Synopsis of my (apparent) problem: DISCOVER, OFFER, REQUEST,
and ACKNOWLEDGEMENT all happen correctly ... but the information
doesn't make it to ifconfig or the routing table.
Robert Huff
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