Post the changes, IP allocation from DHCP looks fine and client is able to maintain the connectivity without any issue.This issue has been addressed by moving the DHCP Relay config to Switch instead of Firewall.Once IP allocated from DHCP is in conflict, client decline the DHCP request and hence DHCP Server is marking it as Bad Address in lease details. I thought Advanced IP Scanner works like arp or some ping command in cmd.
#Advanced ip scanner clear cache mac#
After verifying the Mac address and more analysis, its found that, every IP allocated from DHCP is getting conflict with Firewall NIC which is used as gateway for specific Subnet. Immediately after client getting the IP, its detecting as duplicate IP and conflict with other device - shows the Mac address. From the Wireshark capture observed that DHCP DORA process is getting completed and client is able to get the IP from DHCP Server. This issue is fixed now with below solution.Īfter long time, this was a good experience and interesting. Thanks for your suggestions, some of you shared similar information which we tried yesterday and went through analysis. Step 3: Tick the box for Cache and then click OK. Step 2: Under Time range to clear, select Everything. Hope this can help you, if you have anything unclear, please let me know. Step 1: Choose History from the top menu bar and select Clear Recent History. Microsoft does not guarantee the accuracy Please Note: Since the web site is not hosted by Microsoft, the link may change without notice. Here is a similar thread discussed before, you could have a look: Make sure the DHCP server is not running on a multihomed computer.Ĥ. To resolve this problem, obtain the latest service pack or hotfix. Make sure you have only one DHCP in the network.Ģ. To solve the problem, you can try the following steps:ġ. The router has the BOOTP relay agent enabled. Powerful security tool, it allows to clear browser history and cache, cleaning index.dat files, etc. Server are connected to the same segment.Ģ. There may be two DHCP servers are present on the network and DHCP Duplicate IP Detection is marking the IP address as Bad_Address when the response is "hostĤ. Advanced IP Scanner - Easy to use IP scanning tool. Both network adaptors on the DHCP client and the network adaptor on the DHCP 
You have one multihomed DHCP client and one DHCP server. BAD Address problem is most likely caused by the following reasons:ġ.
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