diff --git a/package/gluon-mesh-babel/check_site.lua b/package/gluon-mesh-babel/check_site.lua
index 5a7bf95a..289e3420 100644
--- a/package/gluon-mesh-babel/check_site.lua
+++ b/package/gluon-mesh-babel/check_site.lua
@@ -1,6 +1,8 @@
 need_string_match(in_domain({'node_prefix6'}), '^[%x:]+/64$')
 need_string_match(in_domain({'node_client_prefix6'}), '^[%x:]+/64$')
 
+need_string_match(in_domain({'clat_range'}), '^[%x:]+/48$', false)
+
 need_string_match(in_domain({'next_node', 'ip6'}), '^[%x:]+$', false)
 need_string_match(in_domain({'next_node', 'ip4'}), '^%d+.%d+.%d+.%d+$', false)
 
diff --git a/package/gluon-mesh-babel/luasrc/lib/gluon/upgrade/300-gluon-mesh-babel-mkconfig b/package/gluon-mesh-babel/luasrc/lib/gluon/upgrade/300-gluon-mesh-babel-mkconfig
index e9a62dbe..488bfea8 100755
--- a/package/gluon-mesh-babel/luasrc/lib/gluon/upgrade/300-gluon-mesh-babel-mkconfig
+++ b/package/gluon-mesh-babel/luasrc/lib/gluon/upgrade/300-gluon-mesh-babel-mkconfig
@@ -17,6 +17,10 @@ file:write("redistribute ip " .. site.prefix6() .. " eq 128  allow\n")
 file:write("redistribute ip " .. site.node_client_prefix6() .. " eq 128  allow\n")
 file:write("redistribute ip " .. site.node_prefix6() .. " eq 128  allow\n")
 file:write("redistribute ip 2000::/3 allow\n")
+
+if site.clat_range() ~= nil and site.clat_range() ~= '' then
+	file:write("redistribute ip " .. site.clat_range() .. " eq 96  allow\n")
+end
 file:write("redistribute local if br-wan deny\n")
 file:write("redistribute local ip 0.0.0.0/0 deny\n")
 file:write("install pref-src " .. nodeip .."\n")