User’s Manual of GS-5220 LCD Series
345
• IP Protocol Filter
Specify the IP protocol filter for this ACE.
â– Any: No IP protocol filter is specified ("don't-care").
â– Specific: If you want to filter a specific IP protocol filter with this
ACE, choose this value. A field for entering an IP protocol filter
appears.
â– ICMP: Select ICMP to filter IPv4 ICMP protocol frames. Extra
fields for defining ICMP parameters will appear. These fields are
explained later in this help file.
â– UDP: Select UDP to filter IPv4 UDP protocol frames. Extra fields
for defining UDP parameters will appear. These fields are
explained later in this help file.
â– TCP: Select TCP to filter IPv4 TCP protocol frames. Extra fields for
defining TCP parameters will appear. These fields are explained
later in this help file.
• IP Protocol Value
When "Specific" is selected for the IP protocol value, you can enter a
specific value. The allowed range is 0 to 255. A frame that hits this ACE
matches this IP protocol value.
• IP TTL
Specify the Time-to-Live settings for this ACE.
â– zero: IPv4 frames with a Time-to-Live field greater than zero must
not be able to match this entry.
â– non-zero: IPv4 frames with a Time-to-Live field greater than zero
must be able to match this entry.
â– Any: Any value is allowed ("don't-care").
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