Netopia Router PN Series - Manual (Page 172)

7-30 Reference Guide
AURP tunnel. To allow an AURP tunnel between a remote AURP router
with the IP address a.b.c.d (corresponding to a numbered IP address
such as 163.176.8.243) and a local AURP router (including the
Netopia Router itself), insert the following input filter ahead of the
current input filter 1:
■ Enabled: Yes
■ Forward: Yes
■ Source IP Address: a.b.c.d
■ Source IP Address Mask: 255.255.255.255
■ Dest. IP Address: 0.0.0.0
■ Dest. IP Address Mask: 0.0.0.0
■ Protocol Type: UDP
■ Source Port Comparison: Equal
■ Source Port ID: 387
■ Dest. Port Comparison: Equal
■ Dest. Port ID: 387