Hello Paolo,
Using this pre_tag_map structure returns the following error. Pmacct
version is 1.5.1.
/Jan 28 10:06:20 ERROR ( default/core ): required key missing at line 1
in map '/etc/pmacct/pretag/peer1.map'. Required key is: 'ip'.//
//Jan 28 10:06:20 ERROR ( default/core ): required key missing at line 2
in map '/etc/pmacct/pretag/peer1.map'. Required key is: 'ip'./
...
I tryed adding the 'ip' key but all the bgp and 'tag' data is null.
By the way so far the agent_id value is always 0 or NULL(we're having
about 20 multi vendor agents).
Am I doing something wrong?
Kind Regards,
---
Jordan
www.neterra.net <http://www.neterra.net/>
<https://www.linkedin.com/company/neterra>
On 20.01.2016 08:46, Paolo Lucente wrote:
Hi Jordan,
A feature to map MACs to ASNs, ie. equivalent to the networks_file
that does IP (prefixes) to ASNs, is not currently available - just
to confirm. Adding it needs a bit of work but it's not a big deal,
definitely achievable.
The workaround i can propose is to pass through the pre_tag_map
infrastructure; use tag as peer_src_as and tag2 as peer_dst_as;
the map would be composed as follows (please excuse typos):
set_tag=<ASN A> src_mac=<MAC A> jeq=dst
set_tag=<ASN B> src_mac=<MAC B> jeq=dst
set_tag=<ASN C> src_mac=<MAC C> jeq=dst
...
set_tag2=<ASN A> dst_mas=<MAC A> label=dst
set_tag2=<ASN B> dst_mas=<MAC B>
set_tag2=<ASN C> dst_mas=<MAC C>
With further reference on the syntax of a pre_tag_map file available
here:
https://github.com/pmacct/pmacct/blob/master/examples/pretag.map.example
Then your 'aggregate' configuration directive you would look like
'tag, tag2, < .. >'. Please let me know if the work around can work
for you for a proof of concept and/or a short-term solution.
Cheers,
Paolo
On Tue, Jan 19, 2016 at 11:28:58AM +0200, Jordan Grigorov (Neterra NMT) wrote:
Hello,
We are using sfacctd, mysql and BGP daemon capturing IXP traffic.
We're facing a problem with incorrect BGP data caused by the
multiple RIB of our RS.
In details there is wrong information in the DB for the primitives
/peer_src_as /and/peer_dst_as/ for some flows as there is only a
single iBGP session between the RS and the sflow collector(in a
single RIB).
As we're unable to bring up iBGP sessions for each RIB is there any
solution for this case?
What we intend to do is to create a dynamic file that maps each IXP
member MAC address to his ASN(/peer_dst_as)/ value.
Then for each flow this /peer_dst_as/ value should be obtained from
the file and injected into the DB rather than from the sfacct BGP
daemon.
Is there any option to do this without heavy src code modifications?
Thank you in advance.
Kind Regards,
--
---
Jordan Grigorov
<https://www.linkedin.com/company/neterra>
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