ZyXEL ZyWALL USG 2000 User Guide - Page 682

Chapter 39 Device HA Table 182 Configuration > Device HA > Legacy Mode > Add (continued) LABEL DESCRIPTION VRID Type the virtual router ID number. Virtual Router IP (VRIP) / Subnet Mask This is the interface's IP address and subnet mask in the virtual router. Authentication Select the authentication method used in the virtual router. Every interface in a virtual router must use the same authentication method and password. Choices are: None - this virtual router does not use any authentication method. Text - this virtual router uses a plain text password for authentication. Type the password in the field next to the radio button. The password can consist of alphanumeric characters, the underscore, and some punctuation marks and it can be up to eight characters long. IP AH (MD5) - this virtual router uses an encrypted MD5 password for authentication. Type the password in the field next to the radio button. The password can consist of alphanumeric characters, the underscore, and some punctuation marks and it can be up to eight characters long. OK Cancel See Authentication Types on page 375 for more information about authentication methods. Click OK to save your changes back to the ZyWALL. Click Cancel to exit this screen without saving your changes. 39.7 Device HA Technical Reference Active-Passive Mode Device HA with Bridge Interfaces Here are two ways to avoid a broadcast storm when you connect the bridge interfaces on two ZyWALLs. First Option for Connecting the Bridge Interfaces on Two ZyWALLs The first way is to activate device HA before connecting the bridge interfaces as shown in the following example. 682 ZyWALL USG 2000 User's Guide