OpenWrt/LEDE Project

  • Status Unconfirmed
  • Percent Complete
    0%
  • Task Type Bug Report
  • Category Kernel
  • Assigned To No-one
  • Operating System All
  • Severity Medium
  • Priority Very Low
  • Reported Version All
  • Due in Version Undecided
  • Due Date Undecided
  • Votes
  • Private
Attached to Project: OpenWrt/LEDE Project
Opened by Daniel González Cabanelas - 02.11.2018

FS#1925 - brcm63xx: VH4032N: no traffic between b53 lan switch ports

In the Observa VH4032N with comes with a BCM6368 SoC (integrated LAN switch), only traffic can pass through the CPU, LAN ports are isolated between them.

Steps to reproduce:
- Boot the device with any Openwrt version with the default configuration.

Once Openwrt has booted there is no way to reconfigure the switch to allow passing traffic between LAN ports. The only one way is to create a VLAN for each port and put them into a bridge, forcing to pass all traffic through the CPU.

It seems the b53 switch is not fully initialized by Openwrt to leave it in a “clean” state. If I first load a custom CFE RAM (which probably makes some magic into the switch) then it works as expected when Openwrt is running.


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