BSR64k SRM10 – Low throughput with 10G SFP+ uplink | docsis.org

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BSR64k SRM10 – Low throughput with 10G SFP+ uplink

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eniac
BSR64k SRM10 – Low throughput with 10G SFP+ uplink

Hello,

I’m working with a BSR64k with SRM10 in a lab environment.
The cable modem has a 1G/100Mb config and is in a 24 downstream bonding group.

- Instead of achieving 1G download, I can only measure around 250–280 Mbps when using a 10G SFP+ uplink.

- However, when I replace the SFP+ with an SFP (1G uplink), I am able to measure 950 Mbps downstream speed behind the cable modem.

I cannot figure out what is causing this issue. I have already tried replacing SFP+ modules with different types, but it didn’t help.

Has anyone experienced a similar problem?

Thanks in advance for your replies.

Attila