From: Anton Danilov <littlesmilingcloud@gmail.com>
To: lartc@vger.kernel.org
Subject: Re: Route count
Date: Wed, 10 Feb 2021 08:11:40 +0000 [thread overview]
Message-ID: <CAEzD07K4TsxXt2e+h7Ch=ywjDd0wL+t2mpTCQR9aq+4ZTfxboQ@mail.gmail.com> (raw)
In-Reply-To: <99dad522-5d1b-0d22-e215-9ee25e079ba3@spamtrap.tnetconsulting.net>
Hello.
Instead of fetching all content of a route table, you can parse the
/proc/net/fib_triestat file. It contents the number of prefixes for
every routing table.
On Mon, 8 Feb 2021 at 20:13, Grant Taylor <gtaylor@tnetconsulting.net> wrote:
>
> Hi,
>
> Does anyone know a more efficient way to get a count of the number of
> routes than to do something like the following?
>
> # ip route show table $TABLE | wc -l
>
> I'm doing something where I'd like to instrument the number of
> (unreachable / null) routes once a minute and I'd like to avoid
> unnecessary load on the system.
>
> It seems to me like there should be a counter somewhere that I can just
> read instead of needing to enumerate every single route in the table.
>
>
>
> --
> Grant. . . .
> unix || die
>
--
Anton Danilov.
next prev parent reply other threads:[~2021-02-10 8:11 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-08 17:10 Route count Grant Taylor
2021-02-10 8:11 ` Anton Danilov [this message]
2021-02-10 16:46 ` Grant Taylor
2021-02-10 16:53 ` Grant Taylor
2021-02-10 19:11 ` Jay Vosburgh
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