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https://bro-tracker.atlassian.net/browse/BIT-1363?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=22014#comment-22014
]
Michal Purzynski commented on BIT-1363:
---------------------------------------
And I have just tested kernel 3.16 with Bro from git and a configuration like
this
/opt/bro/etc/local-eth0.bro
redef Pcap::bufsize = 256;
redef Pcap::packet_fanout_enable = T;
redef Pcap::packet_fanout_id = 9001;
redef Pcap::packet_fanout_defrag = T;
[nsm-stage1-manager]
type=manager
host=localhost
[nsm-stage1-proxy1]
type=proxy
host=localhost
[nsm-stage1-proxy2]
type=proxy
host=localhost
[opsecnatprod1-eth0-0]
type=worker
host=localhost
interface=eth0
aux_scripts=/opt/bro/etc/local-eth0.bro
[opsecnatprod1-eth0-1]
type=worker
host=localhost
interface=eth0
aux_scripts=/opt/bro/etc/local-eth0.bro
[opsecnatprod1-eth0-2]
type=worker
host=localhost
interface=eth0
aux_scripts=/opt/bro/etc/local-eth0.bro
[opsecnatprod1-eth0-3]
type=worker
host=localhost
interface=eth0
aux_scripts=/opt/bro/etc/local-eth0.bro
And packets from the same connection are sent to different workers. WTH.
eth0 is the interface that accepts and sends traffic out - it is a NAT instance
in AWS if that matters.
> Clustered AF_PACKET support
> ---------------------------
>
> Key: BIT-1363
> URL: https://bro-tracker.atlassian.net/browse/BIT-1363
> Project: Bro Issue Tracker
> Issue Type: New Feature
> Components: Bro
> Affects Versions: git/master
> Reporter: Michal Purzynski
>
> Let's have a support for packet capture with the AF_PACKET sockets in multi
> worker configuration.
> Bro can use a single worker with af_packet, I have tested and it works, but
> having a direct support for multi-worker load balancing would allow to avoid
> the pf_ring for many deployments with the traffic level where DNA / ZC /
> Myricom / DAG is not required.
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