3Com 3CRWDR101B-75, 3CRWDR101A-75 manual Configuring the Router

88CHAPTER 5: CONFIGURING THE ROUTER

5Use the Poison Reverse drop-down menu to enable or disable Poison Reverse on the Router. Enabling Poison Reverse on your Router allows it to indicate to other RIP-enabled devices that they have both routes that point to each other, preventing data loops.

6Use the Authentication Required field to choose the mode of authentication:

■None — Switches off authentication on the specified interface.

■Password — An unencrypted text password that needs to be set on all RIP-enabled devices connected to this Router. RIP information is not shared between devices whose passwords do not match.

7In the Authentication Code field, enter the password that is required if the Password option has been selected.

8Click Apply.

DDNS The Router provides a list of dynamic DNS providers for you to choose from. Dynamic Domain Name Server (DDNS) enables you to map a static domain name to a dynamic IP address.

The Router supports five DDNS providers:

■DynDNS.org

■TZO.com

■Dt DNS.com

■No-IP.com

■Zoneedit.com