dhcpkit.ipv6.server.extensions.relay_echo_request module¶
Implementation of Echo Request option handling as specified in RFC 4994.
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class
dhcpkit.ipv6.server.extensions.relay_echo_request.
RelayEchoRequestOptionHandler
[source]¶ Bases:
dhcpkit.ipv6.server.handlers.RelayHandler
When a server creates a Relay-Reply, it SHOULD perform ERO processing after processing the ORO and other options processing. For each option in the ERO:
- If the option is already in the Relay-Reply, the server MUST ignore that option and continue to process any remaining options in the ERO.
- If the option was not in the received Relay-Forward, the server MUST ignore that option and continue to process any remaining options in the ERO.
- Otherwise, the server MUST copy the option, verbatim, from the received Relay-Forward to the Relay-Reply, even if the server does not otherwise recognize that option.
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handle_relay
(bundle: dhcpkit.ipv6.server.transaction_bundle.TransactionBundle, relay_message_in: dhcpkit.ipv6.messages.RelayForwardMessage, relay_message_out: dhcpkit.ipv6.messages.RelayReplyMessage)[source]¶ Handle the options for each relay message pair.
Parameters: - bundle – The transaction bundle
- relay_message_in – The incoming relay message
- relay_message_out – Thr outgoing relay message