This article provides a step-by-step guide to resolve the 'No buffer space available' error. This issue occurs when memory pressure on the device leads to insufficient buffer space.

The below logs can be noticed in the message logs when due to "No buffer space available"

CHASSISD_IFDEV_GET_BY_NAME_FAIL: Unable to retrieve information for interface device ge-0/0/0: No buffer space available
CHASSISD_IFDEV_GET_BY_NAME_FAIL: Unable to retrieve information for interface device ge-0/0/1: No buffer space available

Follow the steps below to resolve the issue:

• Try to flap the affected interfaces by disabling and enabling the interfaces.
• If the first step will not resolve, then reboot the device. A reboot will refresh the system memory and should resolve the buffer space issue.