93[Sysname-Serial4/1/8:10] mfr retry 3mfr timer ackSyntaxmfr timer ack secondsundo mfr timer ackViewFrame relay interface viewDefault level2: System levelParametersseconds: Time (in seconds) of waiting for hello acknowledgment message before resending hellomessage, in the range 1 to 10.DescriptionUse the mfr timer ack command to set the time of waiting for hello acknowledgment message beforeframe relay bundle link resends hello message.Use the undo mfr timer ack command to restore the default.By default, time of waiting for hello acknowledgment message before resending hello message is 4seconds.The bundle link sustains link status by periodically sending hello message to the peer end. If the times thata bundle link resends hello message reach the maximum without receiving acknowledgement from thepeer, the system will regard the link protocol on the bundle link to be malfunctioning.You can configure this command only after the link-protocol fr mfr command is used to associate a framerelay bundle link interface with a frame relay bundle.Related commands: mfr timer hello and mfr retry.Examples# Configure the frame relay bundle link Serial 4/1/8:10 to wait for six seconds before re-sending a hellomessage. system-view[Sysname] interface Serial 4/1/8:10[Sysname-Serial4/1/8:10] link-protocol fr MFR 4/1/6[Sysname-Serial4/1/8:10] mfr timer ack 6mfr timer helloSyntaxmfr timer hello secondsundo mfr timer helloViewFrame relay interface view