https://community.cisco.com/t5/network-security/cisco-3100-multi-instance-ha/m-p/5013651#M1108830 <P>Can someone confirm my understanding of HA in a multi-instance environment on the 3100 platform.</P><P>Am i correct in the thinking that an Instance isn't shared across a HA group?</P><P>Going by the HA setup GUI it would appear you need two instance one on each chassis. However the names have to be unique within FMC. So we have one Chassis the Primary for one Instance A, the other chassis Secondary for the second instance B?</P><P>The policy is then shared across the instance?</P><P>The instance deployment pattern repeats for as many Instances and HA groups and security policies you require?</P> Wed, 07 Feb 2024 08:05:47 GMT glsparks 2024-02-07T08:05:47Z https://community.cisco.com/t5/network-security/cisco-3100-multi-instance-ha/m-p/5013651#M1108830 <P>Can someone confirm my understanding of HA in a multi-instance environment on the 3100 platform.</P><P>Am i correct in the thinking that an Instance isn't shared across a HA group?</P><P>Going by the HA setup GUI it would appear you need two instance one on each chassis. However the names have to be unique within FMC. So we have one Chassis the Primary for one Instance A, the other chassis Secondary for the second instance B?</P><P>The policy is then shared across the instance?</P><P>The instance deployment pattern repeats for as many Instances and HA groups and security policies you require?</P> Wed, 07 Feb 2024 08:05:47 GMT https://community.cisco.com/t5/network-security/cisco-3100-multi-instance-ha/m-p/5013651#M1108830 glsparks 2024-02-07T08:05:47Z