IPv4 TOS Byte and IPv6 Traffic Class Octet

Created
2001-08-15
Last Updated
2001-09-06
Note
Description:  The registrations are identical for IPv4 and IPv6.

Bits 0-5:  see Differentiated Services Field Codepoints Registry
           (http://www.iana.org/assignments/dscp-registry)
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Registry included below

ECN Field (Bits 6-7)

Registration Procedure(s)
RFC Required
Reference
[RFC3168]
Available Formats

CSV
Binary Keyword Reference
00 Not-ECT (Not ECN-Capable Transport) [RFC3168]
01 ECT(1) (ECN-Capable Transport(1)) [RFC3168]
10 ECT(0) (ECN-Capable Transport(0)) [RFC3168]
11 CE (Congestion Experienced) [RFC3168]