Forum Discussion
teemo123
Nimbostratus
NimbostratusF5 is sending via correct IP with an incorrect MAC address
This has been a bummer and I've scoured the internet looking for answers and came up with nothing so here I am. We have a standard VS with SNAT Automap enabled. We have the following self IP xx:x...
teemo123Nimbostratus
NimbostratusHi Michael, we have checked that MAC masquerade is not enabled so the Source IP and MAC is correct. However, when we checked the server's ARP table, we see that x.x.x.60 is associated with the MAC address xx:xx:xx:xx:7c:03 while x.x.x.59 is associated with xx:xx:xx:xx:5e:0b. This causes the server to reply to the correct IP with wrong MAC address. We are also certain that no health monitor traffic included in the capture.
zamroni777
MVP
MVPi suggest you try to enable mac masquerade to overcome probable switch's slow handling of gratuitous ARP
https://my.f5.com/manage/s/article/K13502
