-| | ...
-| | ... | - tx_node - Source node to execute scripts on (mostly TG).
-| | ... | Type: dictionary
-| | ... | - tx_port - Source interface of tx_node. Type: string
-| | ... | - rx_node - Destinantion node. Type: dictionary
-| | ... | - rx_port - Destination interface of rx_node. Type: string
-| | ... | - src_ip - IP address of source interface or source remote host.
-| | ... | Type: string
-| | ... | - dst_ip - IP address of destination interface or destination remote
-| | ... | host. Type: string
-| | ... | - first_hop_mac - Destination MAC address for the first hop in
-| | ... | the path. Type: string
-| | ... | - hops - Expected number of hops. Type: string or integer
-| | ...
-| | ... | *Return:*
-| | ... | - No value returned
-| | ...
-| | ... | *Example:*
-| | ...
-| | ... | \| Send IPv4 ping packet and verify headers \| ${nodes['TG']} \
-| | ... | \| eth2 \| ${nodes['DUT1']} \| eth3 \| 16.0.0.1 \| 32.0.0.1 \
-| | ... | \| 08:00:27:cc:4f:54 \| 1 \|
-| | ...
-| | [Arguments] | ${tx_node} | ${tx_port} | ${rx_node} | ${rx_port}
-| | ... | ${src_ip} | ${dst_ip} | ${first_hop_mac} | ${hops}
-| | ...
-| | ${src_mac}= | Get interface MAC | ${tx_node} | ${tx_port}
-| | ${dst_mac}= | Get interface MAC | ${rx_node} | ${rx_port}
-| | ${is_dst_tg}= | Is TG node | ${rx_node}
-| | ${tx_port_name}= | Get interface name | ${tx_node} | ${tx_port}
-| | ${rx_port_name}= | Get interface name | ${rx_node} | ${rx_port}
-| | ${args}= | Traffic Script Gen Arg | ${rx_port_name} | ${tx_port_name}
-| | ... | ${src_mac} | ${dst_mac} | ${src_ip} | ${dst_ip}
-| | ${args}= | Catenate | ${args} | --hops ${hops}
-| | ... | --first_hop_mac ${first_hop_mac} | --is_dst_tg ${is_dst_tg}
-| | Run Traffic Script On Node | ipv4_ping_ttl_check.py | ${tx_node} | ${args}
-
-| Send IPv6 echo request packet and verify headers
-| | [Documentation] | Send ICMPv6 Echo Request message from source port of\
-| | ... | source node to destination port of destination node and check\
-| | ... | the received ICMPv6 Echo Reply message for correctness inlcuding\
-| | ... | source and destination IPv4 and MAC addresses and hlim value. If\
-| | ... | the destination node is TG type the hlim of received ICMP Echo\
-| | ... | Request message is checked too and corresponding ICMP Echo Reply\
-| | ... | message is created and sent.
-| | ...
-| | ... | *Arguments:*
-| | ...
-| | ... | _NOTE:_ Arguments are based on topology:
-| | ... | TG(if1)->(if1)DUT(if2)->TG(if2)
-| | ...
-| | ... | - tx_node - Source node to execute scripts on (mostly TG).
-| | ... | Type: dictionary
-| | ... | - tx_port - Source interface of tx_node. Type: string
-| | ... | - rx_node - Destinantion node. Type: dictionary
-| | ... | - rx_port - Destination interface of rx_node. Type: string
-| | ... | - src_ip - IPv6 address of source interface or source remote host.
-| | ... | Type: string
-| | ... | - dst_ip - IPv6 address of destination interface or destination remote
-| | ... | host. Type: string
-| | ... | - src_nh_mac - Destination MAC address for the first hop in
-| | ... | the path in direction from source node. Type: string
-| | ... | - hops - Expected number of hops. Type: string or integer
-| | ... | - dst_nh_mac - Destination MAC address for the first hop in
-| | ... | the path in direction from destination node (Optional). Type: string
-| | ...
+| |
+| | ... | - tg_node - Node to execute scripts on (TG). Type: dictionary
+| | ... | - src_ip - IP of source interface (TG-if1). Type: string
+| | ... | - dst_ip - IP of destination interface (TG-if2). Type: string
+| | ... | - tx_src_port - Interface of TG-if1. Type: string
+| | ... | - tx_src_mac - MAC address of TG-if1. Type: string
+| | ... | - tx_dst_mac - MAC address of DUT-if1. Type: string
+| | ... | - rx_port - Interface of TG-if1. Type: string
+| | ... | - rx_src_mac - MAC address of DUT1-if2. Type: string
+| | ... | - rx_dst_mac - MAC address of TG-if2. Type: string
+| | ... | - src_rloc - configured RLOC source address. Type: string
+| | ... | - dst_rloc - configured RLOC destination address. Type: string
+| | ... | - ot_mode - overlay tunnel mode. Type: string
+| |