/etc/iproute2/ Current File: //etc/iproute2/rt_dsfield
# Differentiated field values
# These include the DSCP and unused bits
0x0	default
# Newer RFC2597 values
0x28	AF11
0x30	AF12
0x38	AF13
0x48	AF21
0x50	AF22
0x58	AF23
0x68	AF31
0x70	AF32
0x78	AF33
0x88	AF41
0x90	AF42
0x98	AF43
# Older values RFC2474
0x20	CS1
0x40	CS2
0x60	CS3
0x80	CS4
0xA0	CS5
0xC0	CS6
0xE0	CS7
# RFC 2598
0xB8	EF

# Deprecated values dropped upstream
# Kept in RHEL for backwards-compatibility
0x00   default
0x10   lowdelay
0x08   throughput
0x04   reliability
# This value overlap with ECT, do not use it!
0x02   mincost
# These values seems do not want to die, Cisco likes them by a strange reason.
0x20   priority
0x40   immediate
0x60   flash
0x80   flash-override
0xa0   critical
0xc0   internet
0xe0   network