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Knowledge Base

Unable to ping gateway from Service Console (1004635)

Last Updated: 3/20/2024Categories: TroubleshootingTotal Views: 14775Language:
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Symptoms

The symptoms are:

Pinging the gateway IP address from the service console fails

Pinging other host on the subnet fails

No network connectivity

Service Console NIC is incorrect

Resolution

You must have correct VLAN ID configured on Service console.

Note: Make sure you have established VLAN tagging mode. For more information, see VLAN Configuration on Virtual Switch, Physical Switch, and Virtual Machines (1003806).

To configure VLAN ID:

Run the following command to verify configured VLAN ID on the Physical Switch (Cisco) to extract CDP information:

esxcfg-info | grep -E "vmnic|vSwitch|CDP|cisco|Vlan"

This command returns VLANs presented from the physical switch connecting to VMNIC

Run the following command on the ESX host to set the VLAN:

esxcfg-vswitch -v 100 vSwitch0

In the above example, the command sets the VLAN ID of 100 on the switch 0.

Run the following command to verify VLAN information:

esxcfg-vswitch -l

Verify NIC linked to vSwitch

esxcfg-nics -l
esxcfg-vswitch -l

Run the following command to unlink from the NIC that has no connection:

esxcfg-vswitch -U vmnic# vSwitch#

Run the following command to link the NIC to vSwitch:

esxcfg-vswitch -L vmnic# vSwitch#

If you are not able to get any information via the command in step 6, CDP may not have been enabled. For more information, see Configuring the Cisco Discovery Protocol (CDP) with ESX Server (1003885).

Related Information

You can check and verify the basic Layer 2 connectivity using this command:

arp -a

For related troubleshooting information, see:

Cisco Discovery Protocol (CDP) network information via command line and VirtualCenter on an ESX host (1007069)

Troubleshooting Service Console connection failures (1007986)Verifying IP connection using the tcpdump command and Troubleshooting network issues via tcpdump

Troubleshooting a Service Console/Tech Support Mode connection failure on an ESX/ESXi host

Detectable by VMware SkylineTM

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Attachments

Additional Resources

KB
•
在 ESX/ESXi 中重新启动 mgmt-vmware 服务可能无法重新启动 hostd (1005566)

KB
•
End Of General Availability of the Free vSphere Hypervisor (ESXi 7.x and 8.x) (2107518)

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Related Products:

VMware ESX Server

Related Versions:

VMware ESX Server 3.5.x

VMware ESX Server 3.0.x

VMware ESX 4.1.x

VMware ESX 4.0.x

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