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ZIA NSS VM Can't connect to the Zscaler Cloud

Step 1: Check the connectivity of NSS going to Zscaler by typing the command sudo nss troubleshoot netstat | grep tcp

The results below shows that NSS VM is unable to reach Zscaler node.
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Step 2: Do Arp Request to verify the connectivity  by typing the command sudo tcpdump –t tap0 –nvvvs0

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Step 3: Check the NSS VM hardware address. Type cat /sc/conf/sc.conf

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Step 4: Verify the hardware address by typing ifconfig

As we can see on the results below, the hardware address is different from what we have seen from the step 3. Therefore, the hardware address has to be manually change by editing the sc.conf

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Step 5: Edit the sc.conf. Type a command sudo vi /sc/conf/sc.conf

Change the hardware address based on what we have seen in the ifconfig

Example: edit the sc.conf file and change the MAC address from smnet_tap_ethaddr=00:22:48:57:37:68  to 00:22:48:59:bc:6d and then reboot the VM and test

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Step 6: Reboot the VM

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Step 7: Verify the connectivity

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Step 8: Once the NSS VM is able to reach the Zscaler node. You should be able to see logs from Zscaler going to your SIE