Xns Routing Filter; Port Group Filter - 3Com corebuilder 3500 Implementation Manual

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240
C
10: P
HAPTER
ACKET

XNS Routing Filter

Port Group Filter

F
ILTERING
This filter operates on the type and data fields of a frame. It discards all
XNS routing packets.
name
"Drop XNS Routing"
pushField.w
12
pushLiteral.w
0x0600
ne
accept
pushLiteral.b
0x01
pushField.b
19
ne
See "Using Port Groups in Custom Packet Filters" for a port group filter
example.
# Get type field.
# Load XNS type value.
# Check for non-XNS packet.
# Forward if non-XNS packet.
# Load XNS routing type.
# Get XNS type.
# Check for non-XNS routing
# packet.

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