For those of you that allow your router transits to use eui-64, how to you keep track of the IPs in DNS for reverse resolution?And how do you track needed changes to DNS after an RMA that will cause the eui-64'd interface IPs to change?

We've found that we have to set static link local IPs when two routers might peer over multiple VLAN interfaces.The issue is that the routers, 6500s with sup720s, utilize the same autoconfig'd link local address on each VLAN interface.   EIGRP IPv6 r...

For HSRP and IPv6, I'm toying with the idea of using the same link local on all segments along with static Globals.FE80::1 HSRPFE80::2 First routerFE80::3 Second router2001:db8::1/64 HSRP2001:db8::2/64 First Router2001:db8::3/64 Second RouterOn my 45...