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Forum Discussion

Muhammad_Irfan1's avatar
Muhammad_Irfan1
Icon for Cirrus rankCirrus
Nov 27, 2014

Can not ping any self ip or VS with MTU 1500.

My plate form is F5 LTM 5000s with V 11.4.1. I can not ping any selp ip or vs with ping size 1500 I can ping with 1454 but not with any thing larger. MTU in vlan is configured to 1518. How to solve t...
VernonWells's avatar
VernonWells
Icon for Employee rankEmployee
Nov 28, 2014

This is by design. As part of a DDoS mitigation strategy, ICMP frames cannot, by default, be larger than 1500 bytes. There is a db key that allows larger sizes. Please open an F5 Support case. The support engineer can provide you with the appropriate key and details.

 

Aung_Thurein_72's avatar
Aung_Thurein_72
Icon for Nimbostratus rankNimbostratus
Mar 05, 2016
https://support.f5.com/kb/en-us/solutions/public/15000/300/sol15396.html