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Update peering.md

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Tristan B. Kildaire 2021-02-23 15:47:41 +02:00 committed by GitHub
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@ -122,10 +122,11 @@ in ip 0.0.0.0/0 ge 0 deny
redistribute ip fd8a:6111:3b1a::/48 ge 48
# Only learn routes in the CRXN (fd8a:6111:3b1a::/48) range
in ip fd8a:6111:3b1a::/48 ge 48 allow
in ip fd8a:6111:3b1a::/48 ge 48 allow
in ip ::/0 ge 0 deny
```
This will redistribute routes from your kernel's routing table that match the subnets described (CRXN IPv4 `10/8` and IPv6 `fd00::/8`) into babel's internal routing table which will then be exported to neighbouring babel routers. Babel will learn any routes that are distributed into it (**TODO**: We could filter here too, with `in`).
This will redistribute routes from your kernel's routing table that match the subnets described (CRXN IPv4 `10/8` and IPv6 `fd8a:6111:3b1a::/48`) into babel's internal routing table which will then be exported to neighbouring babel routers. Babel will learn any routes that are distributed into it (**TODO**: We could filter here too, with `in`, we do this, remove this).
The next line you will add is to not redistribute your own host address as a route (because a subnet being redistributed would catch that), therefore add the following line: