I dont have a v12 to test it. But it should be same across all version,
Please try the below:
tmsh modify gtm pool gtm_pool_name members modify { 1.1.1.1:1_1_1_1_80 { order 1 } 2.2.2.2:2_2_2_2_80 { order 0 } }
(/Common)(tmos) list gtm pool gtm_pool_name
gtm pool gtm_pool_name {
members {
1.1.1.1:1_1_1_1_80 {
order 0
}
2.2.2.2:2_2_2_2_80 {
order 1
}
}
}
(/Common)(tmos) modify gtm pool gtm_pool_name members modify { 1.1.1.1:1_1_1_1_80 { order 1 } 2.2.2.2:2_2_2_2_80 { order 0 } }
(/Common)(tmos) list gtm pool gtm_pool_name
gtm pool gtm_pool_name {
members {
1.1.1.1:1_1_1_1_80 {
order 1
}
2.2.2.2:2_2_2_2_80 {
order 0
}
}
}