Avamar: Administrator UI reports an unresponsive Data Domain status (Invalid SNMP trap host or trap post)
Summary: This article reviews the Avamar User Interface (UI) reporting that the Data Domain status is unresponsive with the message 'Invalid SNMP trap host or trap post.'
Symptoms
This is a reporting issue. Backups and Maintenance are not affected.
Avamar monitoring status for Data Domain changes from Green to Yellow or red on the Avamar Administrator UI. One or more of the following errors may appear in the Avamar UI:
Invalid SNMP trap host or trap host.
Cause
The Data Domain Simple Network Management Protocol (SNMP) trap host value is set to the internal hostname of the Avamar Utility Node instead of the Avamar fully qualified domain name (FQDN).
Resolution
1. Log in to the Avamar Administrator UI.
2. Click Server tab, Server Management tab.
3. Select the Data Domain in question (The Data Domain in question has a yellow colored dot to the left of the username).
4. Select Actions, Edit Data Domain System.
5. From the display window, select "Re-add Trap Host."
6. Click OK to update the Data Domain.
7. Log in to the Data Domain and verify that the FQDN of Avamar is added on the Data Domain (Sample output below).
snmp show config
General Configuration
---------------------
SNMP sysLocation: testlocation
SNMP sysContact: admin@company.com
SNMP v2c Configuration
----------------------
Community Access Hosts
--------- --------- -----
avamartest read-only
public read-only
--------- --------- -----
Trap Host Port Community
----------------------------------- ---- ---------
testavamar-internal 163
testavamar.company.com 163
----------------------------------- ---- ---------
SNMP v3 Configuration
---------------------
User Access Authentication Protocol Privacy Protocol
---- ------ ----------------------- ----------------
---- ------ ----------------------- ----------------
Trap Host Port User
--------- ---- ----
--------- ---- ----