FH_Big65536.seq - check Fragment Reassembly (Payload Size = 65536)
Host and Router
FH_Big65536.seq [-tooloption ...] -pkt FH_Big65536.def -tooloption : v6eval tool option See also FH_BigPayload.def
1. Ping to Target (create Neighbor Cache Entries, if not exist) 2. Override Neighbor Cache Entries
Tester Target | | |-------------------------->| | Echo Request | * Last Fragment Only | | | | |<--------------------------| | ICMP Error | | | | | v v
1. Send Echo Request (last fragment only) 2. Receive ICMP Error
PASS: ICMP Error Received.
IPv6 Header Version = 6 Traffic Class = 0 FlowLabel = 0 PayloadLength = 16 NextHeader = 58 (ICMP) SourceAddress = Target Link Local Address Destination Address = Tester Link Local Address
ICMP Error Type = 4 (Parameter Problem) Code = 2 (erroneous header field encountered) Checksum = (auto) Pointer = 42 (Offset to Fragment Offset field) PayloadData = (Echo Request)
perldoc V6evalTool