The Frame-Relay End-to-End keepalive feature can be configured in 4 modes
- biirectional mode
- both the send side and receive side are enable
- request mode
- only the send side in enabled, and the device sends out and waits for replies to its keepalives requests
- reply mode
- only the receive side is enabled, and the device waits for and replies to keepalive request.
- passive reply mode
- the device only responds to keepalive requests, but does not set any timers or keep track of any events
Example Configuration
interface Serial1/0
ip address 192.168.1.1
encapsulation frame-relay
shutdown
serial restart-delay 0
frame-relay interface-dlci 101
class END2END_KEEPALIVE
!
map-class frame-relay END2END_KEEPALIVE
frame-relay end-to-end keepalive mode request
!
Verification
show frame-relay end-to-end keepalive
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