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Endace DAG¶

Suricata comes with native Endace DAG card support. This means Suricata can use the libdag interface directly, instead of a libpcap wrapper (which should also work).

Steps:

Configure with DAG support:

./configure --enable-dag --prefix=/usr --sysconfdir=/etc --localstatedir=/var
make
sudo make install

Results in:

Suricata Configuration:
  AF_PACKET support:                       no
  PF_RING support:                         no
  NFQueue support:                         no
  IPFW support:                            no
  DAG enabled:                             yes
  Napatech enabled:                        no

Start with:

suricata -c suricata.yaml --dag 0:0

Started up!

[5570] 10/7/2012 -- 13:52:30 - (source-erf-dag.c:262) <Info> (ReceiveErfDagThreadInit) -- Attached and started stream: 0 on DAG: /dev/dag0
[5570] 10/7/2012 -- 13:52:30 - (source-erf-dag.c:288) <Info> (ReceiveErfDagThreadInit) -- Starting processing packets from stream: 0 on DAG: /dev/dag0