Hi Alex,

Is it possible with the new setup - the one where pre_tag_map does not
match anything - the traffic is VLAN-tagged (or MPLS-labelled)? If so,
you should adjust filters accordingly and add 'vlan and', ie. "vlan and
src net 192.168.28.0/24 or vlan and src net 192.168.100.0/24".

Paolo
 
On Fri, Feb 21, 2020 at 01:04:25PM +0200, Alex K wrote:
> Working further on this, it seems that for pmacct is sufficient to filter
> traffic using only the pre_tag_filter, thus no need for the aggregation
> filters.
> The issue with this setup though is that I loose the information of the
> pre_nat source IP address when monitoring at the WAN interfaces. Due to
> this I am switching to uacctd as following:
> 
> !
> daemonize: true
> promisc:   false
> uacctd_group: 1
> !networks_file: networks.lst
> !ports_file: ports.lst
> !
> pre_tag_map: pretag2.map
> pre_tag_filter[print_wan0_in]: 1
> pre_tag_filter[print_wan0_out]: 2
> pre_tag_filter[wan0_in]: 1
> pre_tag_filter[wan0_out]: 2
> !
> plugins: print[print_wan0_in], print[print_wan0_out], mysql[wan0_in],
> mysql[wan0_out]
> plugin_pipe_size[wan0_in]: 1024000
> plugin_pipe_size[wan0_out]: 1024000
> print_refresh_time: 10
> print_history: 15m
> print_output_file_append: true
> !
> print_output[print_wan0_in]: csv
> print_output_file[print_wan0_in]: in_traffic.csv
> print_output[print_wan0_out]: csv
> print_output_file[print_wan0_out]: out_traffic.csv
> !
> aggregate[print_wan0_in]: dst_host, src_port, dst_port, proto
> aggregate[print_wan0_out]: src_host, src_port, dst_port, proto
> !
> sql_table[wan0_in]: traffic_wan0_in_%Y%m%d_%H%M
> sql_table[wan0_out]: traffic_wan0_out_%Y%m%d_%H%M
> !
> sql_table_schema[wan0_in]: traffic_wan0_in.schema
> sql_table_schema[wan0_out]: traffic_wan0_out.schema
> !
> sql_host: localhost
> sql_db : uacct
> sql_user : uacct
> sql_passwd: uacct
> sql_refresh_time: 30
> sql_optimize_clauses: true
> sql_history : 24h
> sql_history_roundoff: mhd
> !
> aggregate[wan0_in]: dst_host, src_port, dst_port, proto
> aggregate[wan0_out]: src_host, src_port, dst_port, proto
> 
> Where pretag2.map:
> set_tag=1 filter='src net 192.168.28.0/24 or src net 192.168.100.0/24'
> set_tag=2 filter='dst net 192.168.28.0/24 or dst net 192.168.100.0/24'
> 
> The issue I have with the above config is that no traffic is being
> collected at all. I confirm that when removing the pre_tag filters, traffic
> is collected, though it is not sorted per direction as I would like to
> have.
> Can I use pre_tag_map and pre_tag_filter with uacctd? I don't see any
> examples for uacctd at
> https://github.com/pmacct/pmacct/blob/master/examples/pretag.map.example.
> 
> Thanx,
> Alex
> 
> On Thu, Feb 20, 2020 at 6:33 PM Alex K <rightkickt...@gmail.com> wrote:
> 
> > Hi all,
> >
> > I have a router with multiple interfaces and will need to account traffic
> > at its several WAN interfaces. My purpose is toaccount the traffic with the
> > tuple details and the direction.
> >
> > As a test I have compiled the following simple configuration for pmacctd:
> >
> > !
> > daemonize: true
> > plugins: print[wan0_in], print[wan0_out]
> > print_refresh_time: 10
> > print_history: 15m
> > !
> > print_output[wan0_in]: csv
> > print_output_file[wan0_in]: in_traffic.csv
> > print_output[wan0_out]: csv
> > print_output_file[wan0_out]: out_traffic.csv
> > !
> > aggregate[wan0_in]: src_host, dst_host, src_port, dst_port, tag
> > aggregate[wan0_out]: src_host, dst_host, src_port, dst_port, tag
> > !
> > pre_tag_filter[wan0_in]:1
> > pre_tag_filter[wan0_out]:2
> > !
> > pcap_interface: eth0
> > pre_tag_map: pretag.map
> > networks_file: networks.lst
> > ports_file: ports.lst
> > !
> >
> > where pretag.map is:
> > set_tag=1 filter='ether dst 52:54:00:69:a6:0b'
> > set_tag=2 filter='ether src 52:54:00:69:a6:0b'
> >
> > and networks.lst is:
> > 10.100.100.0/24
> >
> > It seems that the details output at the CSV are correctly filtered
> > according to the tag, thus recording the direction also, based on the MAC
> > address of the WAN0 interface.
> >
> > Is this the correct approach to achieve this or is there any other
> > recommended way? Do I need to use aggregate_filters?
> >
> > Also, although I have set a network filter to capture only 10.100.100.0/24,
> > I observe several networks in/out being collected, indicating that the
> > network_file directive is ignored or I have misunderstood its purpose. My
> > purpose it to collect traffic only generated from subnets that belong to
> > configured interfaces of the router.
> >
> > Thanx for your feedback!
> > Alex
> >
> >
> >

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