Resolved! IPSEC over VTI not working
Hi I have a new ISR4321 router which is replacing an ISR877. The ISR4321 has two IPSEC over VTI connections to two other ISR's. The ISR4321 is unable to establish IPSEC over VTI, but simple GRE over VTI works fine. The ISAKMP response on the remote I...