+| TC02: DUT replies to ICMPv6 Echo Req pkt with size 64B-to-1500B-incr-1B
+| | [Documentation]
+| | ... | Make TG send ICMPv6 Echo Reqs to DUT ingress interface,\
+| | ... | incrementating frame size from 64B to 1500B with increment step
+| | ... | of 1Byte. Make TG verify ICMP Echo Replies are correct.
+| | [Tags] | 3_NODE_SINGLE_LINK_TOPO | VM_ENV
+| | Ipv6 icmp echo sweep | ${nodes['TG']} | ${nodes['DUT1']} | 0 | 1452 | 1 | ${nodes_ipv6_addr}
+
+| TC03: DUT replies to ICMPv6 Echo Req pkt with size 1500B-to-9000B-incr-10B
+| | [Documentation]
+| | ... | Make TG send ICMPv6 Echo Reqs to DUT ingress interface,\
+| | ... | incrementating frame size from 1500B to 9000B with increment
+| | ... | step of 10Bytes. Make TG verify ICMPv6 Echo Replies are correct.
+| | [Tags] | 3_NODE_SINGLE_LINK_TOPO
+| | [Setup] | Setup MTU on TG based on MTU on DUT | ${nodes['TG']} | ${nodes['DUT1']}
+| | [Teardown] | Set default Ethernet MTU on all interfaces on node | ${nodes['TG']}
+| | Append Nodes | ${nodes['TG']} | ${nodes['DUT1']}
+| | Compute Path
+| | ${dut_port} | ${dut_node}= | Last Interface
+| | ${mtu}= | Get Interface MTU | ${dut_node} | ${dut_port}
+| | # ICMPv6 payload size is frame size minus size of Ehternet header, FCS,
+| | # IPv6 header and ICMPv6 header
+| | ${end_size}= | Evaluate | ${mtu} - 14 - 4 - 40 - 8
+| | Run Keyword If | ${mtu} > 1518
+| | ... | Ipv6 icmp echo sweep | ${nodes['TG']} | ${nodes['DUT1']}
+| | ... | 1452 | ${end_size} | 10 | ${nodes_ipv6_addr}