Mar 27, 2026 - For details about updated CVE-2025-53521 (BIG-IP APM vulnerability), refer to K000156741.

Forum Discussion

chethan_181144's avatar
chethan_181144
Icon for Nimbostratus rankNimbostratus
Jul 04, 2017

can we ping or telnet to the VIP when the back end servers/pool members are down ?

Hi Team ,   can we ping or telnet to the VIP when the back end servers/pool members of that VIP is down ?   Regards , Chethan  
application delivery
LTM
TMSH
Samir_Jha_52506's avatar
Samir_Jha_52506
Icon for Noctilucent rankNoctilucent
Jul 04, 2017

Ping will work but telnet doesn't work in case of Performance (Layer 4) VIP down.