Flow accounting does not start on VyOS 1.4 202204200217
set system flow-accounting buffer-size '64' set system flow-accounting disable-imt set system flow-accounting interface 'eth0' set system flow-accounting interface 'eth1' set system flow-accounting interface 'eth2' set system flow-accounting netflow engine-id '5' set system flow-accounting netflow max-flows '640000' set system flow-accounting netflow sampling-rate '100' set system flow-accounting netflow server 10.0.10.1 set system flow-accounting netflow source-address '10.0.0.1' set system flow-accounting netflow timeout expiry-interval '30' set system flow-accounting netflow timeout flow-generic '30' set system flow-accounting netflow timeout icmp '30' set system flow-accounting netflow timeout max-active-life '30' set system flow-accounting netflow timeout tcp-fin '30' set system flow-accounting netflow timeout tcp-generic '30' set system flow-accounting netflow timeout tcp-rst '30' set system flow-accounting netflow timeout udp '30' set system flow-accounting netflow version '9'
me@gw01# run show flow-accounting Traceback (most recent call last): File "/usr/libexec/vyos/op_mode/flow_accounting_op.py", line 244, in <module> flows_list = _get_flows_list() File "/usr/libexec/vyos/op_mode/flow_accounting_op.py", line 97, in _get_flows_list out = cmd(f'/usr/bin/pmacct -s -O json -T flows -p {uacctd_pipefile}', File "/usr/lib/python3/dist-packages/vyos/util.py", line 161, in cmd raise OSError(code, feedback) PermissionError: [Errno 1] Failed to get flows list failed to run command: /usr/bin/pmacct -s -O json -T flows -p /tmp/uacctd.pipe returned: INFO: Connection refused while trying to connect to '/tmp/uacctd.pipe' exit code: 1
When starting a basic configuration, uacctd starts but no flows are displayed
set system flow-accounting interface 'eth0' set system flow-accounting interface 'eth1' set system flow-accounting interface 'eth2' set system flow-accounting netflow engine-id '100' set system flow-accounting netflow sampling-rate '100' set system flow-accounting netflow server 10.0.10.1 set system flow-accounting netflow source-address '10.0.0.1' set system flow-accounting netflow version '9'
me@gw01# run show flow-accounting interface eth0 IN_IFACE SRC_MAC DST_MAC SRC_IP DST_IP SRC_PORT DST_PORT PROTOCOL TOS PACKETS FLOWS BYTES ---------- --------- --------- -------- -------- ---------- ---------- ---------- ----- --------- ------- ------- me@gw01# run show flow-accounting interface eth1 IN_IFACE SRC_MAC DST_MAC SRC_IP DST_IP SRC_PORT DST_PORT PROTOCOL TOS PACKETS FLOWS BYTES ---------- --------- --------- -------- -------- ---------- ---------- ---------- ----- --------- ------- ------- me@gw01# run show flow-accounting interface eth2 IN_IFACE SRC_MAC DST_MAC SRC_IP DST_IP SRC_PORT DST_PORT PROTOCOL TOS PACKETS FLOWS BYTES ---------- --------- --------- -------- -------- ---------- ---------- ---------- ----- --------- ------- ------- me@gw01# run show flow-accounting interface eth2 IN_IFACE SRC_MAC DST_MAC SRC_IP DST_IP SRC_PORT DST_PORT PROTOCOL TOS PACKETS FLOWS BYTES ---------- --------- --------- -------- -------- ---------- ---------- ---------- ----- --------- ------- -------
On checking dmesg, segfaults can be found:
[29026.586717] Code: 4c 8d 0c 16 4c 39 cf 0f 82 63 01 00 00 48 89 d1 f3 a4 c3 80 fa 08 73 12 80 fa 04 73 1e 80 fa 01 77 26 72 05 0f b6 0e 88 0f c3 <48> 8b 4c 16 f8 48 8b 36 48 89 4c 17 f8 48 89 37 c3 8b 4c 16 fc 8b [29037.634096] uacctd[37885]: segfault at 6 ip 00007f310f34a77e sp 00007ffd3e427388 error 4 in libc-2.31.so[7f310f2c8000+14b000]