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RADIUS Load Balancing with iRules

What is RADIUS? “Remote Authentication Dial In User Service” or RADIUS is a very mature and widely implemented protocol for exchanging ”Triple A” or “Authentication, Authorization and Accounting” ...
Published Apr 04, 2008
Version 1.0
adn
application delivery
automation
BIG-IP
dev
devops
industry
iRules
management
monitoring
Colin_Walker_12's avatar
Colin_Walker_12
Historic F5 Account
Joined May 12, 2005
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TimRiker's avatar
TimRiker
Icon for Cirrocumulus rankCirrocumulus
Oct 20, 2020

When the scan finds > 127 in fields like attr_len2 the values show up as negative. Is there a fix for this? The discussion recommends checking for negative and adding 256 to the reply like this:

if { $attr_len2 < 0 } {
    set attr_len2 [ expr { 256 + $attr_len2 } ]
}

Discussion here:

https://devcentral.f5.com/s/question/0D51T00006j4ENs/radius-persistence-irule-error-bad-field-specifier

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