:type file_prefix: str
:type dest_ip: str
:type is_ipv4: bool
- :returns: none.
:raises RuntimeError: If failed to execute udpfwd test on the dut node.
"""
pci_address = Topology.get_interface_pci_addr(dut_node, dut_if)
"""
ssh = SSH()
ssh.connect(dut_node)
- cmd = 'cd {0}; tcpdump -nnnn -vvv -r ./{2}/{1}_tx.pcap | ' \
- 'grep \'udp sum ok\' | wc -l' \
+ cmd = 'cd {0}; sudo /usr/sbin/tcpdump -nnnn -vvv -r ./{2}/{1}_tx.pcap' \
+ ' | grep \'udp sum ok\' | wc -l' \
.format(con.REMOTE_FW_DIR, file_prefix, con.TLDK_TESTCONFIG)
(ret_code, stdout, _) = ssh.exec_command(cmd, timeout=100)