anchor.diff:  
   [source,python]
   ----
  -$cat cap2/dns_test.yaml
  +[bash]>cat cap2/dns_test.yaml
   - duration : 10.0
     generator :  
             distribution : "seq"           
  
positive.code: 
  [source,bash]
  ----
  $./bp-sim-32-debug -f cap2/dns.yaml -o my.erf -v 3
   -- loading cap file cap2/dns.pcap 
   id,name               , tps, cps,f-pkts,f-bytes, duration,   Mb/sec,   MB/sec,   #<1>
   00, cap2/dns.pcap     ,1.00,1.00,     2 ,     170 ,   0.02 ,   0.00 ,    0.00 ,  
  
negative.code: .Simple HTTP  1Gb/sec for 100 sec 
  [source,bash]
  ----
  [bash]>sudo ./t-rex-64 -f cap2/simple_http.yaml -c 4 -m 100 -d 100 
  ----
  
  .Simple HTTP  1Gb/sec with latency for 100 sec 
  [source,bash]
  ----
  [bash]>sudo ./t-rex-64 -f cap2/simple_http.yaml -c 4 -m 100 -d 100 -l 1000
  ----
  
  .SFR 35Gb/sec traffic 
  [source,bash]
  ----
  [bash]>sudo ./t-rex-64 -f avl/sfr_delay_10_1g.yaml -c 4 -m 35 -d 100 -p 
  ----
  
  .SFR 20Gb/sec traffic with latency 
  [source,bash]
  ----
  [bash]>sudo ./t-rex-64 -f avl/sfr_delay_10_1g.yaml -c 4 -m 20 -d 100 -l 1000
  ----
  
  .SFR ipv6 20Gb/sec traffic with latency 
  [source,bash]
  ----
  [bash]>sudo ./t-rex-64 -f avl/sfr_delay_10_1g_no_bundeling.yaml -c 4 -m 20 -d 100 -l 1000 --ipv6 
  ----
  
  .Simple HTTP  1Gb/sec with NAT translation support 
  [source,bash]
  ----
  [bash]>sudo ./t-rex-64 -f cap2/simple_http.yaml -c 4 -m 100 -d 100 -l 1000 --learn-mode 1
  ----
  
  .IMIX 1G/sec ,1600 flows 
  [source,bash]
  ----
  [bash]>sudo ./t-rex-64 -f cap2/imix_fast_1g.yaml -c 4 -m 1 -d 100 -l 1000 
  ----
  
  .IMIX 1Gb/sec,100K flows 
  [source,bash]
  ----
  [bash]>sudo ./t-rex-64 -f cap2/imix_fast_1g_100k.yaml -c 4 -m 1 -d 100 -l 1000 
  ----
  
  .64bytes ~1Gb/sec,1600 flows 
  [source,bash]
  ----
  [bash]>sudo ./t-rex-64 -f cap2/imix_64.yaml -c 4 -m 1 -d 100 -l 1000 
  ----
  
  === Traffic profiles provided with the TRex package 
  