Network Administration: Security
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Guide\Dell_Astute_Network_Admin_Security.fm
D E L L CO N F I D E N T I A L – P R E L I M I N A RY 8 / 9 / 16 - F O R P RO O F O N L Y
5
In the
Blocked Protocol
field, select one of the following options:
–
None
— All protocol packets will be received.
–
Block All
— No protocol packets will be received.
–
Select Protocols
— Move the required protocols from the
Available
Protocols
list to the
Filtered Protocols
list. The following displays the
protocols and the addresses that can be blocked:
Time Range Configuration
Time ranges can be defined and associated with commands, such as QoS
ACL, so that it is applied only during that time range.
There are two types of time ranges:
•
Absolute
—This type of time range begins on a specific date or
immediately and ends on a specific date or extends infinitely. It is created
page. A recurring element can be added
to it.
•
Recurring
— This is a time range element that is added to an absolute
range, and begins and ends on a recurring basis. It is defined in the
If a time range includes both absolute and recurring ranges, the ACL is
activated only if both absolute start time and the recurring time range have
been reached. The ACL is deactivated when either of the time ranges is
reached.
The switch supports a maximum of 10 absolute time ranges.
Table 15-1. Protocol Filtering
Protocol
Destination Address
Protocol Type
CDP
0100.0ccc.cccc
0x2000
VTP
0100.0ccc.cccc
0x2003
DTP
0100.0ccc.cccc
0x2004
UDLD
0100.0ccc.cccc
0x0111
PAGP
0100.0ccc.cccc
0x0104
SSTP
0100.0ccc.cccd
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