NTP Configuration Commands 403
The number of instances can be created in the table depends on the hardware
resource of the product.
Example
Delete line 10 from the extended RMON alarm table.
<SW4500>system-view
System View: return to User View with Ctrl+Z.
[SW4500]undo rmon prialarm 10
[SW4500]
rmon statistics Syntax
rmon statistics entry-number [ owner text-string ]
undo rmon statistics entry-number
View
Ethernet port view
Parameter
entry-number: Number of the entry to be added/deleted, ranging from 1 to
65535.
owner text-string: Creator of the entry. Length of the character string ranges
from 1 to127.
Description
Use the rmon statistics command to add an entry to the statistic table. Use the
undo rmon statistics command to delete an entry from statistic table.
RMON statistic management concerns the statistics and monitoring of the usage
and error on a port. Statistics includes collision, CRC (Cyclic Redundancy Check)
and queue, undersized or oversized packet, timeout, fragment, broadcast,
multicast, unicast, and bandwidth utility.
Example
Add the statistics of Ethernet 1/0/1to entry 20 of the statistics table.
<SW4500>system-view
System View: return to User View with Ctrl+Z.
[SW4500]interface Ethernet1/0/1
[SW4500-ethernet1/0/1]rmon statistics 20
[SW4500-ethernet1/0/1]
NTP Configuration Commands
To protect unused sockets against attacks by malicious users and improve security,
the Switch 4500 Family provides the following functions:
■UDP port 123 is opened only when the NTP feature is enabled.
■UDP port 123 is closed as the NTP feature is disabled.
These functions are implemented as follows: