Comments (3)
Another aspect: when the default value is lower than what is stated on peeringdb, or the client-specific value is lower than what is stated on PDB, I think the PDB value should be choosen. We have to assume that some routeserver operators run things on autopilot, and I think PDB is the most authoritive source when it is the highest value, but when it is lower it no longer is authoritive and the arouteserver config should be used. :)
from arouteserver.
I'm going to add an option to accommodate those networks that fill the PeeringDB records with their exact announcement count. As you suggested it is based on two values: an absolute one and a relative one, so that the final limit is given by (<PeeringDB value> + <absolute>) * (1 + <relative> / 100)
.
Of course these values can be set both to zero to bypass this functionality.
With regards of your second comment to this issue I think I'll leave the current behaviour as it is now.
The first case,
when the default value is lower than what is stated on peeringdb
is already handled by the current implementation, since the general limit value is used only when there is not a client-level limit nor the limit is fetched from PeeringDB.
If operators run their route server on autopilot IMHO we should assume that a manually entered client specific value must have the highest priority, just because it requires a very specific manual intervention to be set that - hopefully - is strongly wanted by the operator itself.
The only case left is when the value from PeeringDB is lower than the general limit: in this case when the max-prefix will be hit the operator will choose whether to silently fix the client's limit or to tell the peer to fix their PeeringDB entry. This could be a good chance to improve PeeringDB data quality too ;-)
Can this work for you @job?
from arouteserver.
Yes, the current beta works for me.
Based on experience at YYCIX i recommend that a default of "increment absolutely 500" followed by "increment with 15%" is the best path forward (especially if we consider that arouteserver has other layers of security like the prefix filter, origin filter and transit-free filter). It is good to be generous with the maxpfx settings
from arouteserver.
Related Issues (20)
- Jinja2 / markupsafe version missmatch leads to errors HOT 1
- PeeringDB anonymous API throttling HOT 10
- Allow configuration of the PeeringDB URL
- Add support for peeringdb-py
- __init__() got an unexpected keyword argument 'allowed_methods' after upgrade to 1.16 HOT 9
- Remove RGNET from whois sources HOT 1
- as_macro not added to IX-F JSON if read from PeeringDB HOT 8
- Route-Servers with Peer Active to ASNs that were excluded
- Double "AS" in comment for ASN without IPv6 in ARIN HOT 1
- Deprecate ARIN-WHOIS data source HOT 5
- feature request: add anchors to route server policy textual representation, other minor issues HOT 2
- Add routeserver attribute to IX-F export HOT 5
- Add metadata to policy textual representation
- Max prefix limit exceed shutdown with auto recovery HOT 1
- ipv4 table entry in bird config HOT 3
- PeeringDB AS-set name format should not be used in AS-set IRR object export HOT 6
- Looking Glass Client Configuration HOT 1
- Issue in IPv4 prefix length verification for RFC8950 HOT 3
- Double "AS" in comment for ASN without prefixes in Registro.br
- BUG - AS-SET filters starting with RS and other characters are not processed HOT 4
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