D-Link DSR-150 User Manual page 120

Unified Services Router
User Manual
en d p o in t. A s well t h e en cry pt io n an d in t egrit y alg o rit hms an d key s mu s t mat ch on the
remo t e IPs ec h o s t exact ly in o rd er fo r t h e t u nn el t o es t ab lis h s u cces s fu lly . No t e t h at
u s in g A u to p olicies wit h IKE are p referred as in s o me IPs ec imp lemen t at io n s t h e SPI
(s ecu rit y p aramet er in d ex) v alu e s req u ire co n v ers io n at each en d p o in t .
DSR s u p p orts VPN ro ll-o v er feat u re. Th is mean s t h at p o licies co n fig u red o n p rimary
W A N will ro llo v er t o t h e s eco n d ary W A N in cas e o f a lin k failu re o n a p rimary
W A N. Th is feat u re can b e u s ed o n ly if y o u r W A N is co n f ig u red in A u t o -Ro llo v er
mo d e.
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