MX warm spare without LAN virtual IP ?

SOLVED
Mr-cook
Here to help

MX warm spare without LAN virtual IP ?

Hi,

I'm confused about configuring my meraki MX cluster :

 

In this documenation :

 https://documentation.meraki.com/MX-Z/Other_Topics/Warm_Spare

 

I found : 

"LAN IP addresses are configured based on the Appliance IPs in any configured VLANs. No virtual IPs are required on the LAN."

 

How can I configure HA without LAN virtual IP ? What will be the gateway for my switch ?

 

Can anyone help please ?

1 ACCEPTED SOLUTION
PhilipDAth
Kind of a big deal
Kind of a big deal

It isn't written very well.  The MX's use VRRP, which in essence is a virtual IP.  The IP address is always serviced by the primary MX.  The spare takes over the VRRP IP address if the primary fails.

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5 REPLIES 5
ww
Kind of a big deal
Kind of a big deal

only 1 mx is active for all your vlans. you can't config the different vlans on the 2nd mx when they are in warm spare. 

PhilipDAth
Kind of a big deal
Kind of a big deal

It isn't written very well.  The MX's use VRRP, which in essence is a virtual IP.  The IP address is always serviced by the primary MX.  The spare takes over the VRRP IP address if the primary fails.

Thank you PhilipDAth, is it the same for WAN interfaces ?

PhilipDAth
Kind of a big deal
Kind of a big deal

The WAN interfaces each need their own IP address, and if there is a common subnet, you can also enable a Virtual IP.  Using a virtual IP on the WAN interfaces is an optional configuration.

https://documentation.meraki.com/MX-Z/Other_Topics/Warm_Spare#Virtual_IP

that's very clear, thanks a lot
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