3com 2928 Betriebsanweisung
1-11
Item
Description
Protocol Type
Type
Filter
Protocol Mask
Select the Protocol Type option and specify the link layer protocol
type by configuring the following two items:
z
Protocol Type
: Indicates the frame type. It corresponds to the
type-code field of Ethernet_II and Ethernet_SNAP frames.
z
Protocol Mask
: Indicates the protocol mask.
Time Range
Select the time range during which the rule takes effect.
Available time ranges are those that have been configured.
Available time ranges are those that have been configured.
.
Configuration Guidelines
When configuring an ACL, note that:
1) When defining rules in an ACL, you do not necessarily assign them numbers; the system can do
1) When defining rules in an ACL, you do not necessarily assign them numbers; the system can do
this automatically. Refer to
2) You cannot create a rule with, or modify a rule to have, the same permit/deny statement as an
existing rule in the ACL.
3) You can only modify the existing rules of an ACL that uses the match order of config. When
modifying a rule of such an ACL, you may choose to change just some of the settings, in which
case the other settings remain the same.
case the other settings remain the same.