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Administrator’s Guide

Configuring the Barracuda Web Filter 33

From the ADVANCED > Linked Management on Barracuda Web Filter 2:

4a. Enter the Cluster Shared Secret password and the Cluster Hostname. Click Save

Changes.

4b. In the Linked Systems section, enter the IP address of the first Barracuda Web Filter,

and click

Join Cluster.

4c. Click Save Changes.

5. Refresh the ADVANCED > Linked Management page, and verify that:

• Each system’s IP address appears in the Linked Systems list.

• The status of each server is green.

Figure 3.1 shows two servers in a cluster with a green status.

Figure 3.1: Two Server Cluster

6. If you have a load balancing device, configure the device to balance the load on each linked

system.

Data propagated to the linked systems

Linking systems together not only makes it easier to manage multiple Barracuda Web Filters, but it

also provides 100 percent redundant coverage of the propagated data. Table 3.1 identifies the data that

is propagated to the other clustered systems when a new system joins.

Table 3.1: Data Propagated Between Linked Systems

Propagated Data Data Not Propagated

System settings (global and domain)

configured through the Administration

interface. This includes the block/accept

filters.

• System IP configuration (IP address, subnet mask, default

gateway, and DNS server) configured on the BASIC > IP

Configuration page.

• System password and time zone as configured on the

BASIC > Administration page.

• Cluster hostname and cluster local host map configured on

the ADVANCED > Linked Management page.

Make sure each clustered server’s

IP address appears in this list.

Make sure the status of

each server is green.

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Barracuda Networks 4 Especificaciones Pagina 33