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By default, all buffer pools are associated with a single megapool and the pools are not oversubscribed.
When WRED queue support is enabled on the IOM, three megapools are used.
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The traffic manager buffers are allocated to the three megapools without oversubscription. The WRED
queue pools are allowed to oversubscribe their megapool, but the megapool protects the pools associated
with the other megapools from buffer starvation that could be caused by that oversubscription.
Parameters
slot-number — Displays information for the specified card slot.
queue-group queue-group-name — Displays information for the specified port queue group name.
ingress — Displays ingress queue group information.
egress — Displays egress queue group information.
7710 SR OS Interface Configuration Guide
The original megapool services the default and named pools.
The second megapool services the system internal use pools.
The third megapool is used by the buffer pools used by the WRED queues.
Interface Configuration
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