An engineer must monitor a Cisco ACI fabric with SNMP. The “permit any contract” attribute is not configured in the fabric. Which action must be taken to receive SNMP traps from Cisco APIC?
A.
Consume the inband contract from the out-of-band EPG.
B.
Configure the OOB contract under the common tenant.
C.
Add the UDP filter port 162 to the existing OOB contract.
D.
Provide a standard contract under the user tenant.
To monitor Cisco ACI fabric with SNMP, the APIC must be able to send SNMP traps to the external SNMP monitoring system.
SNMP traps are sent over UDP port 162.
If "permit any contract" is not configured, then explicit contracts must allow traffic from APIC to the external SNMP receiver.
The APIC out-of-band (OOB) management network is typically used for SNMP monitoring.
Pre-requisites
1. To allow SNMP communications, you must configure an "out-of-band (OOB) contract" in the "mgmt" tenant
to allow SNMP traffic. SNMP traffic typically uses UDP port 161 for SNMP requests.
2. Configure the APIC OOB IP addresses in the "mgmt" tenant. Although the OOB addresses are configured
during APIC setup, the addresses must be explicitly configured in the "mgmt" tenant before the OOB
contract will take effect.
About SNMP
ACI provides SNMPv1, v2, and v3 support, including Management Information Bases (MIBs) and notifications (traps). The
SNMP standard allows any third-party applications that support the different MIBs to manage and monitor the ACI fabric.
https://www.cisco.com/c/dam/en/us/solutions/collateral/data-center-virtualization/application-centric-infrastructure/aci-guide-configuring-snmp.pdf
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