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Forum Discussion

jsilverius_2370's avatar
jsilverius_2370
Icon for Nimbostratus rankNimbostratus
Dec 03, 2015

Unable to ping VIP from outside, but can ping it form F5

Hello, Let me start with saying this is my first time with F5 and I have very limited knowledge of networking too (yeah.. double whammy). So please help me with this (mostly likely) simple issue.   ...
application delivery
BIG-IP
Amine_Kadimi's avatar
Amine_Kadimi
Icon for MVP rankMVP
Dec 03, 2015

Hi, As a first diagnostic step, a tcpdump can help you see what is happening to your ping packets. Assuming that your laptop is in the 'external' vlan then in F5 run the following while pinging from your laptop:

tcpdump -nni external icmp

You should see packets in and out when the ping is OK