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--- en:dpi:bras_bng:use_cases:example_freradius3:bras_freerad_tricks [2023/10/13 14:18] – removed - external edit (Unknown date) 127.0.0.1
+++ en:dpi:bras_bng:use_cases:example_freradius3:bras_freerad_tricks [2024/09/26 15:29] (current) – external edit 127.0.0.1
@@ Line 1: / Line 1: @@
+====== FreeRadius tricks ======
+=== DNS load balancing ===
+<code>
+# Let's suppose we have two DNS servers: 8.8.8.8 and 8.8.8.9.
+# Our purpose is to get the DNS load balanced for the DNS servers.
+# Example: within the "post-auth" section add the following stuff:
+    if ( "%{rand:2}" == "0" ) {
+        update reply {
+            # delete all the DNS attributes
+            VasExperts-DHCP-DNS !* ANY
+            VasExperts-DHCP-DNS = "8.8.8.9"
+            VasExperts-DHCP-DNS += "8.8.8.8"
+        }
+    }
+    else {
+        update reply {
+            # delete all the DNS attributes
+            VasExperts-DHCP-DNS !* ANY
+            VasExperts-DHCP-DNS = "8.8.8.8"
+            VasExperts-DHCP-DNS += "8.8.8.9"
+        }
+    }
+</code>

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