IPv4IPv4
Touching the IPv4IPv4 layer button displays the parameters available for the
Internet Protocol version 4 layer.
IPv4 header is defined in RFC 791 as below.
The following items are available when the interface bit rate is 100 Gbps or less.
Auto increment
DHCP
DNS
IGMP host
Gateway
Version, Header lengthVersion, Header length
Shows Version and Header length in the IPv4 header.
DSCP/TOSDSCP/TOS
When changing the DSCP/TOSDSCP/TOS (Differentiated Service Code Point/Type of
Service) setting, it is possible to define some handling characteristics of the
datagram, originally defined in RFC 791. Other uses of the DSCP/TOSDSCP/TOS setting
are VoIP, DiffServ and ECN.
Total lengthTotal length
Shows Total length in the IPv4 header.
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