Aug 23, 2008

Frame-Relay LMI status inconsistency

假設R1-R2之間的Frame-Relay LMI狀態不一致,為了避免LMI status的錯誤導致資料遺失,現設定R1每5秒主動查詢R2的frame relay interface來確認電路是正常(Active)的狀態。

R1(config)#map-class frame-relay LMI
R1(config-map-class)#frame-relay end-to-end keepalive mode request
R1(config-map-class)#frame-relay end-to-end keepalive timer send 5

R1(config)#int s0/0
R1(config-if)#encapsulation frame-relay
R1(config-subif)#int s0/0.1 point-to-point
R1(config-subif)#frame-relay interface-dlci 102
R1(config-fr-dlci)#class LMI

R2(config)#map-class frame-relay LMI
R2(config-map-class)#frame-relay end-to-end keepalive mode reply

R2(config)#int s0/0
R2(config-if)#encapsulation frame-relay
R2(config-subif)#int s0/0.1 point-to-point
R2(config-subif)#frame-relay interface-dlci 201
R2(config-fr-dlci)#class LMI
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