RoutersR1andR2areconfiguredforHSRPas

RoutersR1andR2areconfiguredforHSRPasshownbelow：

RouterR1：

interfaceethernet0

ipaddress20.6.2.1255.255.255.0

standby35ip20.6.2.21

standby35priority100

interfaceethernet1

ipaddress20.6.1.1.2255.255.255.0

standby34ip20.6.1.21

RouterR2：

interfaceethernet0

ipaddress20.6.2.2255.255.255.0

standby35ip20.6.2.21

interfaceethernet1

ipaddress20.6.1.1.1255.255.255.0

standby34ip20.6.1.21

standby34priority100

YouhaveconfiguredtheroutersR1&R2withHSRP.WhiledebuggingrouterR2younoticevery

frequentHSRPgroupstatetransitions.

Whatisthemostlikelycauseofthis？（）