VeEX RXT3900, User Manual

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CoS:
Configurable in the range 0 to 6.
Note: This field is three bits in length and maps directly to IP Precedence TOS bits to provide Class of Service
(COS).
S-bit:
Configurable 0 or 1.
Note: The S field is one bit in length and is used for stacking labels. This is important as it is used to indicate the
last label in the label stack.
TTL:
Configurable in the range 0 to 255. The default setting is 128 hops.
Note: Used to decrement the time-to-live counter.
BERT Setup - MPLS label configuration
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IP Tab:
In the IP tab the user must configure the destination IP address and source address. The user may also configure
the following IP header fields:
IP Type:
IPv4, IPv6
IP Src and IP Dest:
For IP Src, if the IP connection is up, refer to IP Connection . The source address is fixed to
the IP address from the IP setup menu.
IP TOS (for Quality of Service testing):
Legacy TOS (Precedence):
The first three bits of the IP TOS field can be edited:
000 - Routine
001 - Priority
010 - Immediate
011 - Flash
100 - Flash Override
101 - Critical
110 - Internetwork Control
111 - Network Control
DSCP (Differentiated Services Code Point):
The first six bits of the IP TOS can be edited to provide more
granular service classification.
For more information on the definition of DSCP field in IPv4 and IPv6 headers, refer to RFC2474 .
Time To Live (TTL):
Configurable in the range 0 to 255.
Do Not Fragment Flag
Protocol field:
UDP (0x11), TCP (0x06), User Defined.
BERT Setup - IP Address settings (Layer 3
)
RXT-3900 e-Manual D07-00-111P Rev A00