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RainDoctor
Asked: 2010-03-04 14:05:27 +0800 CST

Can't ping from Machine A to Machine B on the same VLAN

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Switch: Netgear 7352PS Created a VLAN (id = 10), and assigned ports 13 through 24 to that vlan. Also configured PVID as 10 for all these ports.

Machine A: 172.31.192.111/24 Machine B: 172.31.192.110/24

I connected both A and B to ports 13 and 21 respectively. The ping between A and B is not working.

Am I missing something obvious here? Or better put, whats the best way to troubleshoot this?

networking vlan ping netgear

3 Answers

  1. Check to see if there is there a host based firewall on the PCs that is blocking ICMP. Drop a packet sniffer on the receiving machine and see if the ping is even getting to the target.

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  2. Best Answer

    Do you see the mac address with the corresponding IP of the other machine on the current machines arp table? arp -a in Linux.

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  3. Sounds like it's an issue on the hosts (check network configuration, firewalls, etc.).

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