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I have an F5 load balancer connected to a Cisco 6509 switch. The load balancer has been discovered by Netbrain, as has the switch. Yet at Layer 2 Netbrain doesn't understand they're connected. How do I bridge the gap on my layer 2 diagram to show that the end device x.x.x.x is actually my Load balancer?
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NB should be able to present the L2 connection in the L2 map if it can retrieve the F5 arp table. You can rebuild the L2 topology after you discovered the F5 LB to have a try (Gateway server>Home page>Rebuild L2 Network Topology or do a server benchmark). Also you can rediscover it with Live Network Discovery Option Rebuild L3/L2 topology after discovery automatically checked (it will consume some time), Workspace>Discvoer>Options, check the option Rebuild L3/L2 topology after discovery automatically. Hope it helps Gerry |
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Yes, you can stitch the L2 connection via modifying the one-ip table, from L2 Topology tab>One-IP Table, in the One-IP table window, right click> add, enter the corresponding info, you can press F1 to refer the detail description of each option in the NetBrain Help. See screenshot below: ![]() Hope it helps Gerry |
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Thanks Gerry |
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Begin retrieving task
Prepare to retrieve device information. Prepare to retrieve interface information. Begin to retrieve routing table via SNMP. Retrieve routing table via SNMP successfully. Begin to retrieve ARP table via SNMP. Retrieve ARP table via SNMP successfully. Data retrieval completed. |
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![]() We use standard snmp mib 2 to retrieve F5 snmp arp table, nothing special. Unless this F5 model does not support it well. You can also snmpwalk the F5 device with the OID ‘1.3.6.1.2.1.4.22.1.2’ to verify if you can get the arp table. Navigate to @\Workstation Operator Edition\bin\SNMPWalkTool.exe, run the tool with administrator right, enter the F5 ip address/snmp credentials/MIB variable, the start the tool, the result file will be saved under bin directory. See screenshot below: ![]() If the result file is empty and you confirm there are arp entries at that moment. Then it may be caused by this F5 model. Thanks Gerry Last edited by Gerry; 01-22-2013 at 10:35 PM. |
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