Hold-Queue Out Configuration Under Gigabit WAN interfaces

kjvancekjvance ✭✭

Hi All,

We are rolling out Cisco 4000 series routers with Cisco QoS Policies and shaping configured.

As part of the 'standard' configuration, the engineers are applying 'hold-queue 5000 out' under the Gigabit WAN interfaces, whether the link is 10M, 100M or 500M

From what I understand this should not impact traffic flow (RTP in particular) unless congestion occurs or the TX-Ring fills up.

Is this correct? or could it have a negative impact on traffic flow (i.e: introduce latency as it waits for the queue to fill before transmitting)?

Any help appreciated

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