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Configuration & Operation
NetXpress LX & CM-30R Installation & Operation Manual
Version 1.1
GatesAir, Inc.
4-71
Intraplex Products
Timestamp reply sent:
The number of time-stamp replies sent. A computer sends a time-stamp
reply in response to receiving a time-stamp request. Routers can use time-stamp requests and replies
to measure the transmission speed of datagrams on a network.
Echo Message Statistics
Echo request received:
The number of ICMP Echo (request) messages received. An echo request
causes the receiving computer to send an echo reply message back to the originating computer.
Echo request sent:
The number of echo requests sent.
Echo reply received:
The number of echo replies received. A computer sends an echo reply in
response to receiving an echo request message.
Echo reply sent:
The number of echo replies sent.
Address Mask Message Statistics
Address mask request received:
The number of address mask requests received. A computer
sends an address mask request to determine the number of bits in the subnet mask for its local
subnet.
Address mask request sent:
The number of address mask requests sent.
Address mask reply received:
The number of address mask responses received. A computer sends
an address mask response in response to an address mask request.
Address mask reply sent:
The number of address mask responses sent.
4.3.6.7 IGMP Statistics
The read-only
IGMP
Performance
page (Figure 4-62) shows Internet Group Management Protocol
(IGMP) statistics relative to your CM-30R operation. IGMP is the standard for IP multicasting. All hosts
conforming to level 2 of the IP multicasting specification require IGMP. To access this page, point to
Performance
and click
IGMP
.