I have an ipsec tunnel created between a 1841 and 871. I have vlan1 as 10.1.5.1 on the 871 and 10.1.4,10.1.3, and 10.1.2 on the 1841. I cannot ping from each router to any destination lan ip. I do not know how to add a static route to make these work. Can anyone advise?