We've encountered an error with an IPSec tunnel between a Cisco 1811 and a pair of Draytek 3300's in High Availability mode. The connection was up and stable and the two Draytek units were online and in sync, the master then went offline failing over the connection to the master, at this point the IPSec tunnel went down.
I’ve spoken to Draytek about the issue as it looked to be an issue with their HA setup but they’ve asked me to check if the Cisco supports IPSec DPD – I’ve looked and looked and cannot find the answer hence the post.
If anyone can let me know if this is supported on the 1811 I would be grateful, even better if you can suggest a problem with our scenario?
Hi everyone, I would like to thank you in advance for any help you can provide a newcomer like myself!
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