User's Manual

Components 389
The following table shows all monitors that support historical data
logging, and the data that is graphed for each:
Table 63 Device Monitors
Link monitors
Depending on the capabilities of the devices involved in a link, 3Com
Network Director will sometimes use a MIB-II based data source and at
other times a RMON based data source.
Table 64 Data Source Usage
Monitor Sub-graph(s) Comments
IP Ping None
Bridge Discards None
Network Instability None
DNS None
FTP None
HTTP None
NFS None
SMTP None
POP3 None
Web cache redirection None For 3Com Switch 4400/4900
performing Web cache
redirection.
Wireless clients None For 3Com Wireless AP 8000
Wireless undecryptables None For 3Com Wireless AP 8000
Wireless FCS errors None For 3Com Wireless AP 8000
Monitor Sub-graph(s) Comments
Utilization (MIBII) In and out
octets
In and out
packets
For links for which 3Com Network Director
uses the MIB-II ifTable as a data source.
Utilization
(RMON)
Octets
Packets
For links for which 3Com Network Director
uses RMON etherStats as a data source.
Broadcasts (MIBII) None For links for which 3Com Network Director
uses the MIB-II ifTable as a data source.