两台出口路由该怎么写

到172.168.10.0段的从核心设备连接A设备的接口出，到172.168.20.0段的从核心设备连接B设备的接口出，

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vlan 1
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vlan 10
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vlan 20
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interface Vlan-interface10
ip address 192.168.10.1 255.255.255.0
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interface Vlan-interface20
ip address 192.168.20.1 255.255.255.0
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nqa entry admin 2
type icmp-echo
destination ip 192.168.1.2
frequency 1000
next-hop ip 192.168.1.2
reaction 1 checked-element probe-fail threshold-type consecutive 3 action-type trigger-only
source ip 192.168.1.1
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nqa entry admin 3
type icmp-echo
destination ip 192.168.1.3
frequency 1000
next-hop ip 192.168.1.3
reaction 1 checked-element probe-fail threshold-type consecutive 3 action-type trigger-only
source ip 192.168.1.1
nqa schedule admin 2 start-time now lifetime forever
nqa schedule admin 3 start-time now lifetime forever
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track 2 nqa entry admin 2 reaction 1
track 3 nqa entry admin 3 reaction 1
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acl advanced 3000
description 内部互通
rule 10 permit ip source 192.168.0.0 0.0.255.255 destination 192.168.0.0 0.0.255.255
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acl advanced 3010
description out-router-A-1.2
rule 10 permit ip source 192.168.10.0 0.0.0.255
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acl advanced 3020
description out-router-B-1.3
rule 10 permit ip source 192.168.20.0 0.0.0.255
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policy-based-route pbr permit node 5
if-match acl 3000
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policy-based-route pbr permit node 10
if-match acl 3010
apply next-hop 192.168.1.2 track 2 //源网段192.168.10.0访问任何目标网段的数据优先走1.2出口
apply next-hop 192.168.1.3 track 3 //当192.168.1.2出口挂机后，自动切换到备用链路1.3出口
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policy-based-route pbr permit node 20
if-match acl 3020
apply next-hop 192.168.1.3 track 3 //源网段192.168.20.0访问任何目标网段的数据优先走1.3出口
apply next-hop 192.168.1.2 track 2 //当192.168.1.3出口挂机后，自动切换到备用链路1.2出口
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interface Vlan-interface1
ip address 192.168.1.1 255.255.255.0
ip policy-based-route pbr
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