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Improve readability of the manpage (#59)

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This commit is contained in:
Massimiliano Stucchi
2022-06-07 17:20:16 +02:00
committed by GitHub
parent 58521eb687
commit 96079b8901
1 changed files with 16 additions and 16 deletions
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32
bgpq4.8
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@@ -277,9 +277,9 @@ new line
tabulation
.El
.Pp
Please note that no new lines inserted automatically after each sentence,
you have to add them into format string manually, elsewhere output will
be in one line (sometimes it makes sense):
Please note that no new lines are inserted automatically after each sentence.
You have to add them into format string manually, otherwise the output will
be in one single line (sometimes it makes sense):
.nf
.Bd -literal
$ bgpq4 -6F "%n/%l; " as-eltel
@@ -289,29 +289,29 @@ $ bgpq4 -6F "%n/%l; " as-eltel
.Sh NOTES ON SOURCES
By default
.Em bgpq4
trusts to data from all databases mirrored into NTT's IRR service.
Unfortunately, not all these databases are equal in how much can we
trusts data from all the databases mirrored into NTT's IRR service.
Unfortunately, not all these databases are equal in how much we can
trust their data.
RIR maintained databases (AFRINIC, ARIN, APNIC, LACNIC and RIPE)
shall be trusted more than the others because they are indeed have the
knowledge about which address space allocated to this or that ASn,
other databases lack this knowledge and can (and, actually, do) contain
some stale data: noone but RIRs care to remove outdated route-objects
when address space revoked from one ASn and allocated to another.
shall be trusted more than the others because they have the
knowledge about who the rightful holders of resources are, while
other databases lack this knowledge and can (and, actually do) contain
stale data: no one but the RIRs care to remove outdated route-objects
when address space is de-allocated or transferred.
In order to keep their filters both compact and actual,
.Em bgpq4 users
are encouraged to use '-S' flag to limit database sources to only
ones they trust.
the ones they trust.
.Pp
General recommendations:
.Pp
Use minimal set of RIR databases (only those in which you and your
Use a minimal set of RIR databases (only those in which you and your
customers have registered route-objects).
.Pp
Avoid using ARIN-NONAUTH and RIPE-NONAUTH as trusted source: these records
were created in database but for address space allocated to different RIR,
so the NONAUTH databases have no chance to confirm validity of this route
object.
Avoid using ARIN-NONAUTH and RIPE-NONAUTH as trusted sources: these records
were created in the database, but for address space allocated to different RIRs,
so the NONAUTH databases have no chance to confirm validity of the route
objects they contain.
.Bd -literal
$ bgpq4 -S RIPE,RADB as-space
no ip prefix-list NN