Brocade Communications Systems ServerIron ADX 12.4.00 Service Manual Page 16

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4 ServerIron ADX NAT64 Configuration Guide
53-1002444-02
NAT64 and NAT46 implementation details
1
DRAFT: BROCADE CONFIDENTIAL
Table 2 shows how ICMPv4 messages are translated to ICMPv6 messages.
Time Exceeded (Type 3) Time Exceeded (Type 11)
Code remains same from ICMPv6
Parameter Problem (Type 4)
unrecognized Next Header type
encountered (code 1)
Destination Unreachable (Type 3)
destination protocol unreachable (code 2)
Parameter Problem (Type 4)
Any other parameter problem
Parameter problem: bad IP header (Type 12)
pointer indicates the error (code 0)
Echo Request (Type 128) Echo Request (Type 8)
Echo Reply (Type 129) Echo Reply (Type 0)
TABLE 2 ICMPv4 to ICMPv6 message translation
ICMPv4 message type ICMPv6 message type
Destination Unreachable (Type 3) Destination Unreachable (Type 1)
destination network unreachable (code
0)
no route to destination (code 0)
destination host unreachable (code 1) no route to destination (code 0)
destination protocol unreachable (code
2)
Parameter Problem (Type 4)
unrecognized Next Header type encountered
(code 1)
destination port unreachable (code 3) Destination Unreachable (Type 1)
port unreachable (code 4)
fragmentation required, and DF flag set
(code 4)
Packet Too Big (Type 2)
source route failed (code 5) Destination Unreachable (Type 1)
not neighbor code (code 1)
destination network unknown (code 6) no route to destination (code 0)
destination host unknown (code 7) no route to destination (code 0)
source host isolated (code 8) no route to destination (code 0)
network administratively prohibited (code
9)
communication with destination
administratively prohibited (code 1)
host administratively prohibited (code
10)
communication with destination
administratively prohibited (code 1)
network unreachable for TOS (code 11) no route to destination (code 0)
host unreachable for TOS (code 12) no route to destination (code 0)
communication administratively
prohibited (code 13)
communication with destination
administratively prohibited (code 1)
TABLE 1 ICMPv6 to ICMPv4 message translation (Continued)
ICMPv6 message type ICMPv4 message type
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