Resend Request <2>

The Resend Request <2> message can be sent by either side to initiate the retransmission of messages. It can be used if a sequence number gap is detected, or if either side lost a message, or as a function of the initialization process.

TagField NameData TypeReq’dComments
Standard headerYMsgType 35=2
7BeginSeqNointYSequence number of first message in range to be resent.
16EndSeqNointYSequence number of last message in range to be resent. Set EndSeqNo to 0 if all messages subsequent to BeginSeqNo are required.
Standard trailerY