[AusNOG] What are people doing for monitoring BGP?

[Paul Gear]

Hi Ross/Nathan,

These aren't new prefixes advertised from an AS, they're existing 
prefixes being withdrawn and then returning later.  I get an alert email 
each time a prefix disappears, but no end of alert email when it comes back.

I also get alerts quite a lot about other parts of the world (esp. 
Brazil, North America, and Northern Europe) not being able to see our 
prefixes, even though they're advertised to our providers and visible 
domestically.  e.g. Here's our AS viewed from 3 route-views servers as 
of yesterday:

  * http://paste.debian.net/hidden/524ca085/

http://bgp.he.net/AS132897 shows it fine as well.  Yet, there are 
presently 3 active alerts for prefix 103.27.153.0/24 in my BGPmon 
account, one going back to 20 December.

I probably should contact BGPmon about these rather than whining to you 
guys about it. ;-) Writing email now...

Regards,
Paul

On 01/29/2014 07:29 AM, Ross [Eve IT] wrote:
> Nathan is correct, works that way for us too.
>
>
> On Tue, Jan 28, 2014 at 11:55 AM, Nathan Brookfield 
> <Nathan.Brookfield at simtronic.com.au 
> <mailto:Nathan.Brookfield at simtronic.com.au>> wrote:
>
>     Paul that's strange as it absolutely can/does notify when a new
>     prefix is advertised from your ASN or if you have it set to be
>     monitored, it will also alert for more specific prefixes and other
>     similar alerts.
>
>     *From:*AusNOG [mailto:ausnog-bounces at lists.ausnog.net
>     <mailto:ausnog-bounces at lists.ausnog.net>] *On Behalf Of *Paul Gear
>     *Sent:* Tuesday, 28 January 2014 11:53 AM
>     *To:* ausnog at lists.ausnog.net <mailto:ausnog at lists.ausnog.net>
>     *Subject:* Re: [AusNOG] What are people doing for monitoring BGP?
>
>     On 01/28/2014 09:01 AM, Nathan Brookfield wrote:
>
>         +1 for BGPMon - There tools are very good for monitoring
>         stability, spoofing, prefix hijacking etc.
>
>         We also operate an Australian monitoring station as do a few
>         other providers I believe.
>
>         Very accurate and very reliable.
>
>
>     I've been trialling BGPmon over the last few months as well.  One
>     of the things I don't like about it is that it emails you when a
>     prefix is withdrawn, but doesn't alert you when it comes back.
>
>     Otherwise, it seems to do the job.
>
>     Paul
>
>
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>
>
>
> -- 
> Regards,
>
> Ross Tsolakidis
> IT Architect
>
> *Eve IT Pty Ltd
> *
> http://www.eve-it.net <http://www.eve-it.com.au/>
> *1300 65 77 75*
>
>
>
>
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