User’s Manual of GS-5220 LCD Series
349
• SIP BitMask
When "Specific" is selected for the source IPv6 filter, you can enter a
specific SIPv6 mask. The field only supported last 32 bits for IPv6
address. Notice the usage of bitmask, if the binary bit value is "0", it
means this bit is "don't-care".
The real matched pattern is [sipv6_address & sipv6_bitmask] (last 32
bits). For example, if the SIPv6 address is 2001::3 and the SIPv6 bitmask
is 0xFFFFFFFE(bit 0 is "don't-care" bit), then SIPv6 address 2001::2 and
2001::3 are applied to this rule.
• Hop Limit
Specify the hop limit settings for this ACE.
■ zero: IPv6 frames with a hop limit field greater than zero must
not be able to match this entry.
■ non-zero: IPv6 frames with a hop limit field greater than zero
must be able to match this entry.
■ Any: Any value is allowed ("don't-care”).
ICMP Parameters
Object Description
• ICMP Type Filter
Specify the ICMP filter for this ACE.
■ Any: No ICMP filter is specified (ICMP filter status is "don't-care").
■ Specific: If you want to filter a specific ICMP filter with this ACE,
you can enter a specific ICMP value. A field for entering an ICMP
value appears.
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