+
+| Send TCP or UDP packet
+| | [Documentation] | Sends TCP or UDP packet with specified source
+| | ... | and destination port.
+| | ...
+| | ... | *Arguments:*
+| | ...
+| | ... | _NOTE:_ Arguments are based on topology:
+| | ... | TG(if1)->(if1)DUT(if2)->TG(if2)
+| | ...
+| | ... | - tg_node - Node to execute scripts on (TG). Type: dictionary
+| | ... | - src_ip - IP of source interface (TG-if1). Type: integer
+| | ... | - dst_ip - IP of destination interface (TG-if2). Type: integer
+| | ... | - tx_port - Source interface (TG-if1). Type: string
+| | ... | - tx_mac - MAC address of source interface (TG-if1). Type: string
+| | ... | - rx_port - Destionation interface (TG-if1). Type: string
+| | ... | - rx_mac - MAC address of destination interface (TG-if1). Type: string
+| | ... | - protocol - Type of protocol. Type: string
+| | ... | - source_port - Source TCP/UDP port. Type: string or integer
+| | ... | - destination_port - Destination TCP/UDP port. Type: string or integer
+| | ...
+| | ... | *Return:*
+| | ... | - No value returned
+| | ...
+| | ... | *Example:*
+| | ...
+| | ... | \| Send TCP or UDP packet \| ${nodes['TG']} \
+| | ... | \| 16.0.0.1 \| 32.0.0.1 \| eth2 \| 08:00:27:cc:4f:54 \
+| | ... | \| eth4 \| 08:00:27:c9:6a:d5 \| TCP \| 20 \| 80 \|
+| | ...
+| | [Arguments] | ${tg_node} | ${src_ip} | ${dst_ip} | ${tx_port} |
+| | ... | ${tx_mac} | ${rx_port} | ${rx_mac} | ${protocol} | ${source_port}
+| | ... | ${destination_port}
+| | ${tx_port_name}= | Get interface name | ${tg_node} | ${tx_port}
+| | ${rx_port_name}= | Get interface name | ${tg_node} | ${rx_port}
+| | ${args}= | Catenate | --tx_mac | ${tx_mac}
+| | ... | --rx_mac | ${rx_mac}
+| | ... | --src_ip | ${src_ip}
+| | ... | --dst_ip | ${dst_ip}
+| | ... | --tx_if | ${tx_port_name}
+| | ... | --rx_if | ${rx_port_name}
+| | ... | --protocol | ${protocol}
+| | ... | --source_port | ${source_port}
+| | ... | --destination_port | ${destination_port}
+| | Run Traffic Script On Node | send_tcp_udp.py
+| | ... | ${tg_node} | ${args}
+
+| Send TCP or UDP packet should failed
+| | [Documentation] | Sends TCP or UDP packet with specified source
+| | ... | and destination port.
+| | ...
+| | ... | *Arguments:*
+| | ...
+| | ... | _NOTE:_ Arguments are based on topology:
+| | ... | TG(if1)->(if1)DUT(if2)->TG(if2)
+| | ...
+| | ... | - tg_node - Node to execute scripts on (TG). Type: dictionary
+| | ... | - src_ip - IP of source interface (TG-if1). Type: integer
+| | ... | - dst_ip - IP of destination interface (TG-if2). Type: integer
+| | ... | - tx_port - Source interface (TG-if1). Type: string
+| | ... | - tx_mac - MAC address of source interface (TG-if1). Type: string
+| | ... | - rx_port - Destionation interface (TG-if1). Type: string
+| | ... | - rx_mac - MAC address of destination interface (TG-if1). Type: string
+| | ... | - protocol - Type of protocol. Type: string
+| | ... | - source_port - Source TCP/UDP port. Type: string or integer
+| | ... | - destination_port - Destination TCP/UDP port. Type: string or integer
+| | ...
+| | ... | *Return:*
+| | ... | - No value returned
+| | ...
+| | ... | *Example:*
+| | ...
+| | ... | \| Send TCP or UDP packet should failed \| ${nodes['TG']} \
+| | ... | \| 16.0.0.1 \| 32.0.0.1 \| eth2 \| 08:00:27:cc:4f:54 \
+| | ... | \| eth4 \| 08:00:27:c9:6a:d5 \| TCP \| 20 \| 80 \|
+| | ...
+| | [Arguments] | ${tg_node} | ${src_ip} | ${dst_ip} | ${tx_port} |
+| | ... | ${tx_mac} | ${rx_port} | ${rx_mac} | ${protocol} | ${source_port}
+| | ... | ${destination_port}
+| | ${tx_port_name}= | Get interface name | ${tg_node} | ${tx_port}
+| | ${rx_port_name}= | Get interface name | ${tg_node} | ${rx_port}
+| | ${args}= | Catenate | --tx_mac | ${tx_mac}
+| | ... | --rx_mac | ${rx_mac}
+| | ... | --src_ip | ${src_ip}
+| | ... | --dst_ip | ${dst_ip}
+| | ... | --tx_if | ${tx_port_name}
+| | ... | --rx_if | ${rx_port_name}
+| | ... | --protocol | ${protocol}
+| | ... | --source_port | ${source_port}
+| | ... | --destination_port | ${destination_port}
+| | Run Keyword And Expect Error | TCP/UDP Rx timeout
+| | ... | Run Traffic Script On Node | send_tcp_udp.py
+| | ... | ${tg_node} | ${args}
+
+| Receive And Check Router Advertisement Packet
+| | [Documentation] | Wait until RA packet is received and then check
+| | ... | specific packet fields whether they are correct.
+| | ...
+| | ... | *Arguments:*
+| | ...
+| | ... | - node - Node where to check for RA packet. Type: dictionary
+| | ... | - rx_port - Interface where the packet is received. Type: string
+| | ... | - src_mac - MAC address of source interface from which the link-local
+| | ... | IPv6 address is constructed and checked. Type: string
+| | ...
+| | ... | *Return:*
+| | ... | - No value returned
+| | ...
+| | ... | *Example:*
+| | ...
+| | ... | \| Receive And Check Router Advertisement Packet \
+| | ... | \| ${nodes['DUT1']} \| eth2 \| 08:00:27:cc:4f:54 \|
+| | ...
+| | [Arguments] | ${node} | ${rx_port} | ${src_mac}
+| | ${rx_port_name}= | Get interface name | ${node} | ${rx_port}
+| | ${args}= | Catenate | --rx_if | ${rx_port_name} | --src_mac | ${src_mac}
+| | Run Traffic Script On Node | check_ra_packet.py | ${node} | ${args}
+
+| Send ARP Request
+| | [Documentation] | Send ARP Request and check if the ARP Response is received.
+| | ...
+| | ... | *Arguments:*
+| | ...
+| | ... | _NOTE:_ Arguments are based on topology:
+| | ... | TG(if1)<->(if1)DUT
+| | ...
+| | ... | - tg_node - Node to execute scripts on (TG). Type: dictionary
+| | ... | - tx_port - Interface from which the ARP packet is sent (TG-if1).
+| | ... | Type: string
+| | ... | - src_mac - Source MAC address of ARP packet (TG-if1).
+| | ... | Type: string
+| | ... | - tgt_mac - Target MAC address which is expected in the response
+| | ... | (DUT-if1). Type: string
+| | ... | - src_ip - Source IP address of ARP packet (TG-if1).
+| | ... | Type: string
+| | ... | - tgt_ip - Target IP address of ARP packet (DUT-if1).
+| | ... | Type: string
+| | ...
+| | ... | *Return:*
+| | ... | - No value returned
+| | ...
+| | ... | *Example:*
+| | ...
+| | ... | \| Send ARP Request \| ${nodes['TG']} \| eth3 \
+| | ... | \| 08:00:27:cc:4f:54 \| 08:00:27:c9:6a:d5 \
+| | ... | \| 10.0.0.100 \| 192.168.1.5 \|
+| | ...
+| | [Arguments] | ${tg_node} | ${tx_port}
+| | ... | ${src_mac} | ${tgt_mac}
+| | ... | ${src_ip} | ${tgt_ip}
+| | ${args}= | Catenate | --tx_if | ${tx_port}
+| | ... | --src_mac | ${src_mac} | --dst_mac | ${tgt_mac}
+| | ... | --src_ip | ${src_ip} | --dst_ip | ${tgt_ip}
+| | Run Traffic Script On Node | arp_request.py | ${tg_node} | ${args}
+
+| Send ARP Request should failed
+| | [Documentation] | Send ARP Request and
+| | ... | the ARP Response should not be received.
+| | ...
+| | ... | *Arguments:*
+| | ...
+| | ... | _NOTE:_ Arguments are based on topology:
+| | ... | TG(if1)<->(if1)DUT
+| | ...
+| | ... | - tg_node - Node to execute scripts on (TG). Type: dictionary
+| | ... | - tx_port - Interface from which the ARP packet is sent (TG-if1).
+| | ... | Type: string
+| | ... | - src_mac - Source MAC address of ARP packet (TG-if1).
+| | ... | Type: string
+| | ... | - tgt_mac - Target MAC address which is expected in the response
+| | ... | (DUT-if1). Type: string
+| | ... | - src_ip - Source IP address of ARP packet (TG-if1).
+| | ... | Type: string
+| | ... | - tgt_ip - Target IP address of ARP packet (DUT-if1).
+| | ... | Type: string
+| | ...
+| | ... | *Return:*
+| | ... | - No value returned
+| | ...
+| | ... | *Example:*
+| | ...
+| | ... | \| Send ARP Request should failed \| ${nodes['TG']} \| eth3 \
+| | ... | \| 08:00:27:cc:4f:54 \| 08:00:27:c9:6a:d5 \
+| | ... | \| 10.0.0.100 \| 192.168.1.5 \|
+| | ...
+| | [Arguments] | ${tg_node} | ${tx_port}
+| | ... | ${src_mac} | ${tgt_mac}
+| | ... | ${src_ip} | ${tgt_ip}
+| | ${args}= | Catenate | --tx_if | ${tx_port}
+| | ... | --src_mac | ${src_mac} | --dst_mac | ${tgt_mac}
+| | ... | --src_ip | ${src_ip} | --dst_ip | ${tgt_ip}
+| | Run Keyword And Expect Error | ARP reply timeout
+| | ... | Run Traffic Script On Node | arp_request.py | ${tg_node} | ${args}