Custom Monitor Graph description not making sense

Custom Monitor Graph description not making sense

Hi,

i have created a custom monitor using a QoS mib from Cisco. The custom monitor work fine but when i go and look at the graph the display appears to be presenting index numbers of the map class, i can see no where where this can be changed. this is crucial to use rolling out the product to our clients. i have added an attachment showing what i am getting

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