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Akiko_344053's avatar
Akiko_344053
Icon for Nimbostratus rankNimbostratus
Dec 14, 2017

About ping from BIG-IP

Hello,   I use BIG-IP's LTM on the intranet. It is a question when I ping from BIG-IP.   Internet side ⇔ Firewall⇔ L3switch (2 units redundant with HSRP) ⇔ BIGIP (LTM) ⇔ Server   With the ab...
application delivery
BIG-IP
LTM
Hannes_Rapp_162's avatar
Hannes_Rapp_162
Icon for Nacreous rankNacreous
Dec 14, 2017

Are you pinging from the Management interface or TMM/data interface? If from the Management interface, it's unlikely to be a BigIP problem. Nevertheless, as a first step, try to set a MAC masquerade address for your BigIP traffic-group. This is normally only needed for Active-Active BigIP clusters but it doesn't hurt with Active-Standby. A problem with 

Gratuitous ARP
updates and old ARP caches is a possibility. You may need to perform a similar procedure with your L3 switches to make the failover event more reliable.

SOL article

Video explanation by J.Rahm

Akiko_344053's avatar
Akiko_344053
Icon for Nimbostratus rankNimbostratus
Dec 17, 2017

Thank you for the fast reply

 

Since the source address is not specified, I think that it is transmitting from the interface address of the same segment.

 

What is "A problem with Gratuitous ARP updates and old ARP caches"? Could you tell me more specifically?