Traffic flow for DHCP requests is showing wrong source

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We have a core ICX-7450 set up as follows:

ve 163 - management
ve 2600 - users

When looking at a capture, we see the source of DHCP requests as x.x.163.1 instead of the ve 2600 ip of x.x.207.254.

The routing table has a static entry for defualt of 0.0.0.0 w/ gateway of x.x.163.2 which is our FW tied to port ve 163.

Looking at a packet capture from the FW, we see the discover sourced from x.x.163.1 but the offer shows sourced from x.x.207.254

Why is the source different between these two parts of the DHCP process?

Thanks for any assistance.

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