now i would like to implement VPN from HQ to many branch. at HQ i have Cisco router 2821 and branches i have router 1841. the connection from HQ to branch i used fiber optic. after i configure VPN from HQ to branch, the connection from HQ to branch it up only one tunnel and other branch it not up.
please kindly see in the attach file.
Do you have some configuration or any advice?