System Administration Guide: IP Services

Configuring Tunnels with the Same Source Address (Bug ID 4152864)

Bug ID 4152864 describes problems that occur when two tunnels are configured with the same tunnel source address, which is a serious issue for 6to4 tunnels.

Caution – Caution –

Do not configure a 6to4 tunnel and an automatic tunnel (atun) with the same tunnel source address. For information about automatics and the atun command, refer to the tun(7M) man page.