Re: BIRD incorrectly(?) detects whether a peer is directly connected

2022-02-17 Thread Arsen Arsenović
> That is true, but it is not limited to BGP peers, it also affects other > issues like next hop validation. Unfortunately it is not easily fixable. > It would require redesigning whole internal neighbor processing, which > is something that we plan to do, but there are currently tasks with >

Re: BIRD incorrectly(?) detects whether a peer is directly connected

2022-02-17 Thread Ondrej Zajicek
On Wed, Feb 16, 2022 at 03:32:55AM +0100, Arsen Arsenović wrote: > Good evening! > > When configuring BGP on a site BIRD fails to recognize whether an IP is > directly connected. It appears to scan over the list of interfaces and > check whether their subnets contain the target IP instead of

Re: Bird BFD is not compliant to RFC5881

2022-02-17 Thread Ondrej Zajicek
On Thu, Feb 17, 2022 at 01:09:33PM +0100, Christian Bruns wrote: > Hi all, > > we experienced issues with non-functional BFD Sessions. Debugging yielded > that bird does not use RFC compliant BFD Port ranges. > RFC 5881 states: "" The source port MUST be in the range 49152 through > 65535. "";

Re: Bird BFD is not compliant to RFC5881

2022-02-17 Thread Clemens Schrimpe
> On 17. Feb 2022, at 13:09, Christian Bruns wrote: > > providers like "Deutsche Telekom" apply strict filter for BFD and only allow > RFC5881 compliant ports, Hahaha ... *tips hat to Rüdiger Volk¹ in retirement*  ¹) Oh! Just saw him on the Onsite registrant list for IETF-113 in Wien next

Bird BFD is not compliant to RFC5881

2022-02-17 Thread Christian Bruns
Hi all, we experienced issues with non-functional BFD Sessions. Debugging yielded that bird does not use RFC compliant BFD Port ranges. RFC 5881 states: "" The source port MUST be in the range 49152 through 65535. ""; however, the port range is not restricted within bird and thus using