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Table of Contents

Info
titleNOTEs:
  •   Only AS7726-32X and AS7326-56X support to disable the 10G-Base-KR ports. By default, they are disabled on AS7726-32X and AS7326-56X.
  •   On other platforms, by default, the two 10G-Base-KR ports are two 10G-KR management ports linked to CPU.
  •   There is a limitation when enabled the 10G-Base-KR ports as either front panel ports or management ports, namely:
    • On AS7726-32X and N8550-32C, port xe-1/1/32 is not allowed to be split into four Gigabit Ethernet ports.
    • On AS7326-56X and N8550-48B8C, port xe-1/1/8 is not allowed to be split into four Gigabit Ethernet ports.
  •   The interface rate of the two Me ports can only support auto-negotiation mode.

Introduction

AS7726-32X, AS7326-56X, N8550-48B8C and N8550-32C have two 10G-Base-KR ports (10G-KR) on the front panel to support additional high-speed link between CPU and ASIC (switch chip). PICOS supports to configure the two 10G-Base-KR ports as two 10G SFP+ front panel data ports or they can be configured to provide additional high speed links between the switch CPU and ASIC. 

When configured as front panel data ports, they can be used as normal SFP+ port. As a data port, the interface name becomes Te-1/1/m. As shown in Figure 1, when configured as two 10G-KR ports, the ports are linked to two management ports eth1 and eth2 on the CPU with 10G bandwidth, and the port name becomes Me-1/1/n (Management Ethernet port) under PICOS CLI. This alllows the management traffic and data traffic through the Me-1/1/n ports can be processed by eth1 and eth2 ports on the CPU.By default, 10G-Base-KR ports are not enabled.

Figure 1. 10G-KR ports link between CPU and ASIC

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Supported Platforms

Currently only AS7726-32X, AS7326-56X, N8550-48B8C and N8550-32C switches have the 10G-Base-KR ports which can be configured as two 10G SFP+ data ports on the front panel or as two 10G-KR management ports linked to CPU. By default, 10G-Base-KR ports are disabled.

Configuration

This section describes how to configure the two 10G-Base-KR ports as front panel ports or management ports linked to CPU.

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  • From the Linux shell prompt, run sudo picos_boot management-port-mapping command to configure the 10G-Base-KR ports as two 10G-KR management ports linked to CPU. The option [3] No me Port(s) indicates that the 10G-Base-KR ports are disabled. Only AS7726-32X and AS7326-56X support to disable the 10G-Base-KR ports.
Code Block
admin@PICOS:~$ sudo picos_boot management-port-mapping
    [1]  To Host CPU
    [2]  To Front Panel    
    [3]  No me Port(s)      * default
Enter your choice(1,2,3):1

 To Host CPU is selected.
Please restart the PICOS service

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