three router 1--2--3, all interfaces enable rsvp by using command "ip rsvp bandwidth ". loopback 0 of r1 has ip address 1.1.1.1 and loopback 0 of r3 has ip address 3.3.3.3. using command "ip rsvp sender-host 1.1.1.1 3.3.3.3 tcp 1 1 500" on r3 ; using command "ip rsvp reservation-host 1.1.1.1 3.3.3.3 tcp 1 1 ff ra 500 8 " . show ip rsvp sender and show ip rsvp reservation is ok. but show ip rsvp installed is as follow.
1#show ip rsvp installed
RSVP: Serial0/0 has no installed reservations
RSVP: Loopback0 has no installed reservations
please, what is the problem ?