Response is not a packet type used by EIGRP. The following are the packet types used by EIGRP:
* Hello/Ack: Establish neighbor relationships. The Ack packet is used to provide acknowledgement of a reliable packet.
* Update: Send routing updates.
* Query: Ask neighbors about routing information.
* Reply: Provide response to queries about routing information.
* Requests: Gain specific information from one or more neighbors.