Heads Up :
The post you are writing will appear in a public forum. Please ensure all content is appropriate for public consumption. Review the employee guidelines for the community here.
I am also facing same issue on 2811 router. It has 8Mbps WAN link. IPSEC tunnel is configured on it towards PE router and traffic routed over it via BGP between CE and PE. CPU utilization is quite high - 90% even when traffic is 5Mbps. Also it's obs...