DO_Pad1 - Options Processing, Destination Options Header (Pad1 Option)
Host and Router
None
Verify that a node properly processes bot known and unknown options, and acts in accordance with the highest order two bits of the option.
TN NUT
| |
|-------------------------->|
| Echo Request |
| |
| |
|<--------------------------|
| Echo Reply |
| |
| |
v v
1. TN transmits an Echo Request that has a Destination Options header with six Pad1 Options.
2. Observe the packets transmitted by the NUT.
Echo Request Data is:
IPv6 Header
Version = 6
Traffic Class = 0
FlowLabel = 0
PayloadLength = 16
NextHeader = 60 (Destination Options Header)
SourceAddress = TN Link Local Address
DestinationAddress = NUT Link Local Address
Destination Options Header
NextHeader = 58 (ICMPv6)
HeaderExtLength = 0
OptionType = 0 (Pad1 Option)
OptionType = 0 (Pad1 Option)
OptionType = 0 (Pad1 Option)
OptionType = 0 (Pad1 Option)
OptionType = 0 (Pad1 Option)
OptionType = 0 (Pad1 Option)
ICMP Echo Request
Type = 128 (Echo Request)
Code = 0
Checksum = (auto)
Identifier = 0xffff
SequenceNumber = 1
PayloadData = {1, 2, 3, 4, 5, 6, 7, 8}
PASS: The NUT must send an Echo Reply to TN.
IPv6 Header
Version = 6
Traffic Class = 0
FlowLabel = 0
PayloadLength = 16
NextHeader = 58 (ICMPv6)
SourceAddress = NUT Link Local Address
Destination Address = TN Link Local Address
ICMP Echo Reply
Type = 129 (Echo Reply)
Code = 0
Checksum = (auto)
Identifier = 0xffff (same as Echo Request)
SequenceNumber = 1 (same as Echo Request)
PayloadData = {1, 2, 3, 4, 5, 6, 7, 8} (same as Echo Request)
Common Test Cleanup
perldoc V6evalTool