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DHCP issues on switch when rebooting

tverhoeven
Level 1
Level 1

I have several 9200 and 9300 switches using dhcp for the management vlan.  we are using MS DHCP.  when I reboot the switch, I get a different management ip and that confuses DNA.

 

The lease time on our DHCP server is 8 days.

 

It has been suggested that the switch sends a dhcp release when rebooting.  Is that the case?

 

thanks

3 Replies 3

balaji.bandi
Hall of Fame
Hall of Fame

2 options you can mitigate the issue.

 

1. Make Static reservation for Underlay IP Address

2. If you using DNS name to resolve the device ? DNA will use naming convention

 

But my take is DHCP Reservation.

 

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Boss does not want to use static IP.  We use DNS naming for switch management.

@balaji.bandi is probably right that DHCP reservation is probably the right solution.  If you are using Microsoft DHCP, try these instructions: https://www.mustbegeek.com/configure-dhcp-reservation-in-windows-server-2012-r2/