The whole MSFC config is too big due to 4 ethernet linecards. Mostly it is the assignment of the following VLANs.
Following config would give you the idea what I'm doing.
I read that SNAT is the option, but I don't see the option in the current image.
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interface Vlan391
description ----O&M----
ip address 192.168.4.2 255.255.254.0
no ip redirects
no ip proxy-arp
ip nat inside
arp timeout 200
standby 1 ip 192.168.4.1
standby 1 timers 1 3
standby 1 priority 110
standby 1 preempt delay minimum 60
!
interface Vlan392
description ----O&M Traffic for Servers in BETE Network----
ip address 129.192.160.163 255.255.255.224
ip nat outside
standby 1 ip 129.192.160.162
standby 1 timers 1 3
standby 1 priority 110
standby 1 preempt delay minimum 60
!
interface Vlan491
description ----www_external----
ip address 10.10.0.2 255.255.0.0
no ip redirects
no ip proxy-arp
arp timeout 200
standby 1 ip 10.10.0.1
standby 1 timers 1 3
standby 1 priority 110
standby 1 preempt delay minimum 60
!
interface Vlan492
description ----www_internal----
ip address 192.168.124.2 255.255.254.0
no ip redirects
no ip proxy-arp
arp timeout 200
standby 92 ip 192.168.124.1
standby 92 timers 1 3
standby 92 priority 110
standby 92 preempt delay minimum 60
!
interface Vlan493
description ----radio_external----
ip address 172.0.0.2 255.0.0.0
no ip redirects
no ip proxy-arp
arp timeout 200
standby 1 ip 172.0.0.1
standby 1 timers 1 3
standby 1 priority 110
standby 1 preempt delay minimum 60
!
interface Vlan495
description ----radius_external----
ip address 10.20.0.2 255.255.0.0
no ip redirects
no ip proxy-arp
arp timeout 200
standby 1 ip 10.20.0.1
standby 1 timers 1 3
standby 1 priority 110
standby 1 preempt delay minimum 60
!
interface Vlan496
description ----radius_internal----
ip address 192.168.128.2 255.255.254.0
no ip redirects
no ip proxy-arp
arp timeout 200
standby 1 ip 192.168.128.1
standby 1 timers 1 3
standby 1 priority 110
standby 1 preempt delay minimum 60
!
interface Vlan497
description ----Traffic from GGSN in via BETE Network----
ip address 129.192.160.131 255.255.255.240
!
interface Vlan499
description ----Traffic to WWW via BETE Network----
ip address 129.192.160.147 255.255.255.240
!
ip nat inside source static 192.168.4.253 129.192.160.167
ip nat inside source static 192.168.4.71 129.192.160.183
ip nat inside source static 192.168.4.73 129.192.160.184
ip nat inside source static 192.168.4.75 129.192.160.185
ip nat inside source static 192.168.4.101 129.192.160.168
ip nat inside source static 192.168.4.150 129.192.160.170
ip nat inside source static 192.168.4.151 129.192.160.171
ip nat inside source static 192.168.4.10 129.192.160.172
ip nat inside source static 192.168.4.56 129.192.160.173
ip nat inside source static 192.168.4.57 129.192.160.174
ip nat inside source static 192.168.4.58 129.192.160.175
ip nat inside source static 192.168.4.60 129.192.160.180
ip nat inside source static 192.168.4.62 129.192.160.181
ip nat inside source static 192.168.4.66 129.192.160.182
ip nat inside source static 192.168.4.81 129.192.160.186
ip nat inside source static 192.168.4.82 129.192.160.187
ip nat inside source static 192.168.4.102 129.192.160.169
ip nat inside source static 192.168.4.91 129.192.160.176
ip nat inside source static 192.168.4.92 129.192.160.177
ip nat inside source static 192.168.4.95 129.192.160.178
ip nat inside source static 192.168.4.96 129.192.160.179
