No NVLINK in A100 SXM pod from US-WA-1

I believe these A100 SXM GPUs should support NVLink, but when I run the command nvlink-smi topo -m, it doesn't show NVLink connections. The links between GPUs appear as NODE or SYS, when I was expecting something like NV12 or NV4. Also, the workload requires GPU to GPU communicaiton via NVLINK fails in this pod. Could there be an issue causing this?
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