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no response when ping MS Cluster’s ip address – Solution

作者:互联网

There is a Citrix cluster deployed in our environment. But cluster ip not working from an outside network, although working fine in same network.

Checked MS doc – http://technet.microsoft.com/en-us/library/cc732592(WS.10).aspx troubleshooting NLB, foud following cause:

There is no response when you use ping to access the cluster's IP address from an outside network.

Verify that you can use ping to access the dedicated IP addresses for the cluster hosts from a computer outside the router. If this test fails, and you are using multiple network adapters, the issue is not related to NLB. If you are using a single network adapter for the dedicated and cluster IP addresses, consider the following causes:

—– Those citrix server are ESX virtualized and connecting to Cisco 4506 switch. Show arp did not see Cluster ip's mac address but physical ip addresses of both cluster members are in the arp table.  Manually add arp record into table such as : arp 10.10.10.3 03bf.0a5e.12cb arpa
We are able to see cluster ip's arp record. ICMP and Application access from outside network is no problem. 

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来源: https://blog.csdn.net/cpongo7/article/details/98947672