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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...
Vernon_97235's avatar
Vernon_97235
Historic F5 Account
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