RSVP

RSVP


Resource reservation protocol


For intserv models


Both source and destination support RSVP


RSVP intserv flow reservations


Path messages flow downstream from source(can u support this specific reservation)


RESV messages flow upstreram from destination if aggrees


Reservation contains


Flow spec


Tspec (traffic spec, token bucket parameters: rate/burs)


Rspec (reservation spec, type of services)


Filter Spec: flwo sources to reserve recsource for


RSVP REQUIRES CBWFQ OR WFQ


Because RSVP flow can get separate weight


Configuration command


Based on interface bandwidth and Tspec configure on interface


Ip rsvp bandwidth { I am available to receive reservation on my interface)


Doesnot work with HQF


Should be WFQ of CBWFQ with WFQ in class-default


Only used for mpls traffic engineering for bandwidth asking


RSVP works with Per-VC queue


Require legacy FRTS


PVC Queue must be WFQ/CBWFQ


Ip rsvp resource-provider


Configuration


Sender


Ip rsvp sender-host


Receiver


Ip rsvp reservation-host


Transit notdes


Ip rsvp bandwidth