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Add GEO clarification about the example config

Anonymous committed 2025-08-14 23:16:27 +0000 commit 4de404db709885548e1a189f5911917213dad409

				howto/BGP-communities.md
			
          @@ -120,8 +120,9 @@ You need to add following lines to your config(s):

           just above `update_flags` in `dn42_export_filter` function

           - Unlike the other community values, **the DN42_REGION community should only be set on routes originating from your network!** (This is what the `source = RTS_STATIC` check does).

             - Otherwise, if you export routes across multiple regions within your network, you may be sending incorrect origin information to other peers.

          -

          -

          +This is not applicable  for the below example configurations

          +that have it included, since networks usually use the region to do 

          +routing policies like cold_potato.

           ## Example configuration for BIRD2

           ```conf

           function update_latency(int link_latency) -> int {

...	...	@@ -120,8 +120,9 @@ You need to add following lines to your config(s):
120	120	just above `update_flags` in `dn42_export_filter` function
121	121	- Unlike the other community values, the DN42_REGION community should only be set on routes originating from your network! (This is what the `source = RTS_STATIC` check does).
122	122	- Otherwise, if you export routes across multiple regions within your network, you may be sending incorrect origin information to other peers.
123		-
124		-
	123	+This is not applicable for the below example configurations
	124	+that have it included, since networks usually use the region to do
	125	+routing policies like cold_potato.
125	126	## Example configuration for BIRD2
126	127	```conf
127	128	function update_latency(int link_latency) -> int {