Zeros boot but can't connect to them

[pla...@abv.bg]

Running RPI2 with a clusterhat v1.2 and 4xZeros (1xv1.2 and 3xv1.3).

Following the "Simple guide", I have written the latest (2020-12-02) Buster images for each Zero (with enabled SSH) and tried both CBRIDGE and CNAT (FULL) on the RPI2.

Powering on the hat, all yellow LEDs light up + each zero starts blinking green, eventually having the green LED on full time. 

Running ifconfig does show the brint interface as 172.19.180.254 but trying to ping 172.19.180.1(2,3,4) returns that the host is unreachable.

pi@cbridge:~ $ sudo brctl show return:
bridge name        bridge id                STP enabled        interfaces
br0                8000.b827eb0e7648        no                eth0
brint                8000.000000000000        no       

lsusb -t return:

pi@cbridge:~ $ lsusb -t
/:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=dwc_otg/1p, 480M
    |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/5p, 480M
        |__ Port 1: Dev 3, If 0, Class=Vendor Specific Class, Driver=smsc95xx, 480M

I don't see the zeros in my router DCHP table either.

Any suggestions? 

[Chris Burton]

Hi, 

Any suggestions? 

I'd advise trying an alternative USB cable between the Cluster HAT and controller Pi - if that doesn't help I'd go through the troubleshooting guide https://8086.support/content/23/115/en/troubleshooting-missing-pi-zeros-in-a-clusterhat.html which should help identify where the problem is.

Chris.