Cisco Systems 15454M6DC Manual De Usuario
11-8
Cisco ONS 15454 Installation and Operations Guide
November 2001
Chapter 11 SNMP
SNMP Community Names
11.6 SNMP Community Names
You can provision community names for all SNMP requests from the SNMP Trap Destination dialog box
in CTC (see the
in CTC (see the
). In effect, SNMP considers any request valid
that uses a community name matching a community name on the list of provisioned SNMP trap
destinations. Otherwise, SNMP considers the request invalid and drops it.
destinations. Otherwise, SNMP considers the request invalid and drops it.
If an SNMP request contains an invalid community name, the request silently drops and the MIB
variable (snmpInBadCommunityNames) increments. All MIB variables managed by the agent grant
access to all SNMP requests containing a validated community name.
variable (snmpInBadCommunityNames) increments. All MIB variables managed by the agent grant
access to all SNMP requests containing a validated community name.
11.7 SNMP Remote Network Monitoring
The ONS 15454 incorporates Remote Network Monitoring (RMON) to allow network operators to
monitor the ONS 15454 E10/100-4 cards. For more information on Ethernet RMONs, see
monitor the ONS 15454 E10/100-4 cards. For more information on Ethernet RMONs, see
. This feature is not apparent to the
Table 11-4
Traps Supported in the ONS 15454
Trap
From RFC#
Description
ColdStart
RFC1213-MIB Agent up, cold start
WarmStart
RFC1213-MIB Agent up, warm start
AuthenticationFailure
RFC1213-MIB Community string does not match
NewRoot
RFC1493/
BRIDGE-MIB
Sending agent is the new root of the spanning tree
TopologyChange
RFC1493/
BRIDGE-MIB
A port in a bridge has changed from Learning to
Forwarding or Forwarding to Blocking
Forwarding or Forwarding to Blocking
EntConfigChange
RFC2037/
ENTITY-MIB
The entLastChangeTime value has changed
ds1xLineStatusChange
RFC2495/
DS1-MIB
A dsx1LineStatusChange trap is sent when the value of
an instance dsx1LineStatus changes. The trap can be
used by an NMS to trigger polls. When the line status
change results from a higher-level line status change (ex.
DS-3), no traps for the DS-1 are sent.
an instance dsx1LineStatus changes. The trap can be
used by an NMS to trigger polls. When the line status
change results from a higher-level line status change (ex.
DS-3), no traps for the DS-1 are sent.
dsx3LineStatusChange
RFC2496/
DS3-MIB
A dsx3LineStatusLastChange trap is sent when the value
of an instance of dsx3LineStatus changes. This trap can
be used by an NMS to trigger polls. When the line status
change results in a lower-level line status change (ex.
DS-1), no traps for the lower-level are sent.
of an instance of dsx3LineStatus changes. This trap can
be used by an NMS to trigger polls. When the line status
change results in a lower-level line status change (ex.
DS-1), no traps for the lower-level are sent.
risingAlarm
RFC1757/
RMON-MIB
The SNMP trap that is generated when an alarm entry
crosses the rising threshold and the entry generates an
event that is configured for sending SNMP traps.
crosses the rising threshold and the entry generates an
event that is configured for sending SNMP traps.
fallingAlarm
RFC1757/
RMON-MIB
The SNMP trap that is generated when an alarm entry
crosses the falling threshold and the entry generates an
event that is configured for sending SNMP traps.
crosses the falling threshold and the entry generates an
event that is configured for sending SNMP traps.