routing table on 1st device:
```
: netstat -nr
Routing tables

Internet:
Destination        Gateway            Flags     Netif Expire
default            <ipv4-public>.25       UGS    lagg0.40
<priv1.b.c>.0/24    link#23            U      lagg0.40
<priv1.b.c>.20      link#23            UHS         lo0
<priv1.b.c>.21      link#23            UHS         lo0
<vpn-peer1>     <ipv4-public>.25       UGHS   lagg0.40
<vpn-peer2>     <ipv4-public>.25       UGHS   lagg0.40
<ipv4-public>.24/29    link#20            U      lagg0.40
<ipv4-public>.28       link#20            UHS         lo0
<ipv4-public>.29       link#20            UHS         lo0
<ipv4-public>.56/29    link#24            U      lagg0.40
<ipv4-public>.57       link#24            UHS         lo0
<ipv4-public>.58       link#24            UHS         lo0
127.0.0.1          link#16            UH          lo0
<sync.b.c>.0/24      link#22            U      lagg0.40
<sync.b.c>.2         link#22            UHS         lo0
<dmz.a.b>.0/24    link#21            U      lagg0.40
<dmz.a.b>.1       link#21            UHS         lo0
<dmz.a.b>.2       link#21            UHS         lo0

Internet6:
Destination                       Gateway                       Flags     Netif Expire
default                           <prefix>::1                UGS    lagg0.40
::1                               link#16                       UH          lo0
<prefix>::/125                 link#20                       U      lagg0.40
<prefix>::2                    link#20                       UHS         lo0
<prefix>::3                    link#20                       UHS         lo0
<prefix>:1::/64                link#24                       U      lagg0.40
<prefix>:1::1                  link#24                       UHS         lo0
fe80::%lo0/64                     link#16                       U           lo0
fe80::1%lo0                       link#16                       UHS         lo0
fe80::%lagg0/64                   link#19                       U         lagg0
fe80::<removed>%lagg0    link#19                       UHS         lo0
fe80::%lagg0.4090/64              link#20                       U      lagg0.40
fe80::<removed>%lagg0.4090 link#20                     UHS         lo0
fe80::%lagg0.4091/64              link#21                       U      lagg0.40
fe80::<removed>%lagg0.4091 link#21                     UHS         lo0
fe80::%lagg0.4092/64              link#22                       U      lagg0.40
fe80::<removed>%lagg0.4092 link#22                     UHS         lo0
fe80::%lagg0.4093/64              link#23                       U      lagg0.40
fe80::<removed>%lagg0.4093 link#23                     UHS         lo0
fe80::%lagg0.4094/64              link#24                       U      lagg0.40
fe80::<%lagg0.4094 link#24                     UHS         lo0
```


routing table on 2nd device
```
: netstat -nr
Routing tables

Internet:
Destination        Gateway            Flags     Netif Expire
default            <ipv4-public>.25       UGS    lagg0.40
<priv1.b.c>.0/24    link#23            U      lagg0.40
<priv1.b.c>.22      link#23            UHS         lo0
<vpn-peer1>     <ipv4-public>.25       UGHS   lagg0.40
<vpn-peer2>     <ipv4-public>.25       UGHS   lagg0.40
<ipv4-public>.24/29    link#20            U      lagg0.40
<ipv4-public>.30       link#20            UHS         lo0
<ipv4-public>.56/29    link#24            U      lagg0.40
<ipv4-public>.59       link#24            UHS         lo0
127.0.0.1          link#16            UH          lo0
<sync.b.c>.0/24      link#22            U      lagg0.40
<sync.b.c>.3         link#22            UHS         lo0
<dmz.a.b>.0/24    link#21            U      lagg0.40
<dmz.a.b>.3       link#21            UHS         lo0

Internet6:
Destination                       Gateway                       Flags     Netif Expire
default                           <prefix>::1                UGS    lagg0.40
::1                               link#16                       UH          lo0
<prefix>::/125                 link#20                       U      lagg0.40
<prefix>::2                    link#20                       UHS         lo0
<prefix>::4                    link#20                       UHS         lo0
<prefix>:1::/64                link#24                       U      lagg0.40
<prefix>:1::2                  link#24                       UHS         lo0
fe80::%lo0/64                     link#16                       U           lo0
fe80::1%lo0                       link#16                       UHS         lo0
fe80::%lagg0/64                   link#19                       U         lagg0
fe80::<removed>%lagg0    link#19                       UHS         lo0
fe80::%lagg0.4090/64              link#20                       U      lagg0.40
fe80::<removed>%lagg0.4090 link#20                     UHS         lo0
fe80::%lagg0.4091/64              link#21                       U      lagg0.40
fe80::<removed>%lagg0.4091 link#21                     UHS         lo0
fe80::%lagg0.4092/64              link#22                       U      lagg0.40
fe80::<removed>%lagg0.4092 link#22                     UHS         lo0
fe80::%lagg0.4093/64              link#23                       U      lagg0.40
fe80::<removed>%lagg0.4093 link#23                     UHS         lo0
fe80::%lagg0.4094/64              link#24                       U      lagg0.40
fe80::<removed>%lagg0.4094 link#24                     UHS         lo0
```

xml config 1st device

```
<interfaces>
                <wan>
                        <enable></enable>
                        <if>lagg0.4090</if>
                        <blockpriv></blockpriv>
                        <blockbogons></blockbogons>
                        <descr><![CDATA[WAN]]></descr>
                        <spoofmac></spoofmac>
                        <ipaddr><ipv4-public>.29</ipaddr>
                        <subnet>29</subnet>
                        <gateway>WANGW</gateway>
                        <ipaddrv6><prefix>::3</ipaddrv6>
                        <subnetv6>125</subnetv6>
                        <gatewayv6>WANGWv6</gatewayv6>
                </wan>

                <opt2>
                        <descr><![CDATA[DMZ]]></descr>
                        <if>lagg0.4094</if>
                        <enable></enable>
                        <spoofmac></spoofmac>
                        <ipaddr><ipv4-public>.58</ipaddr>
                        <subnet>29</subnet>
                        <ipaddrv6><prefix>:1::1</ipaddrv6>
                        <subnetv6>64</subnetv6>
                </opt2>

...

                <vip>
                        <mode>carp</mode>
                        <interface>wan</interface>
                        <vhid>5</vhid>
                        <advskew>0</advskew>
                        <advbase>1</advbase>
                        <password>xxx</password>
                        <uniqid><removed></uniqid>
                        <descr><![CDATA[WANv6 CARP VIP]]></descr>
                        <type>single</type>
                        <subnet_bits>125</subnet_bits>
                        <subnet><prefix>::2</subnet>
                </vip>
        </virtualip>
```

xml config 2nd device

```
<interfaces>
                <wan>
                        <enable></enable>
                        <if>lagg0.4090</if>
                        <blockpriv></blockpriv>
                        <blockbogons></blockbogons>
                        <descr><![CDATA[WAN]]></descr>
                        <spoofmac></spoofmac>
                        <ipaddr><ipv4-public>.30</ipaddr>
                        <subnet>29</subnet>
                        <gateway>WANGW</gateway>
                        <ipaddrv6><prefix>::4</ipaddrv6>
                        <subnetv6>125</subnetv6>
                        <gatewayv6>WANGWv6</gatewayv6>
                </wan>

                <opt2>
                        <descr><![CDATA[DMZ]]></descr>
                        <if>lagg0.4094</if>
                        <enable></enable>
                        <spoofmac></spoofmac>
                        <ipaddr><ipv4-public>.59</ipaddr>
                        <subnet>29</subnet>
                        <ipaddrv6><prefix>:1::2</ipaddrv6>
                        <subnetv6>64</subnetv6>
                </opt2>


...

                <vip>
                        <mode>carp</mode>
                        <interface>wan</interface>
                        <vhid>5</vhid>
                        <advskew>100</advskew>
                        <advbase>1</advbase>
                        <password>xxx</password>
                        <uniqid><removed></uniqid>
                        <descr><![CDATA[WANv6 CARP VIP]]></descr>
                        <type>single</type>
                        <subnet_bits>125</subnet_bits>
                        <subnet><prefix>::2</subnet>
                </vip>
        </virtualip>
```


our gateway definition:

```
<gateway_item>
                        <interface>wan</interface>
                        <gateway><prefix>::1</gateway>
                        <name>WANGWv6</name>
                        <weight></weight>
                        <ipprotocol>inet6</ipprotocol>
                        <descr><![CDATA[ipv6 upstream gateway]]></descr>
                </gateway_item>
                <defaultgw4>WANGW</defaultgw4>
                <defaultgw6>WANGWv6</defaultgw6>
```