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# filter-tr
#
# Token-Ring Filter
#
protocol tr "Token-Ring";
#length variable;
parents none;
field sr "Source-Routed Flag",
boolean,
and_mask(127 @ 8);
field src "Source Hardware Address",
ether,
byte_offset(8);
field dst "Destination Hardware Address",
ether,
byte_offset(2);
field srcvendor "Vendor of Source Hardware Address",
byte[3],
byte_offset(8);
field dstvendor "Vendor of Destination Hardware Address",
byte[3],
byte_offset(2);
field _next "Next protocol layer",
uint8,
and_mask(192 @ 1);
alias src srcaddr;
alias dst dest, dstaddr, destaddr;
alias dstvendor destvendor;
field addr "Hardware Address",
ether,
either_of(src, dst);
alias addr hwaddr;
field vendor "Hardware Vendor",
byte[3],
either_of(srcvendor, dstvendor);
#next_protocol {
# 64 : trmac
# 128 : llc
#}
#next_offset {
# ldx
# df
#}
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