We support this feature from MAS 7.4.0.0 release.
IP-NAT outside MAS;
IP NAT OUTSIDE is to be enabled on egress VLAN interface.IP NAT outside feature changes the source IP of all the packets coming from downstream network to the IP address of the egress VLAN interface where the NAT outside is configured.
CLI option is provided to configure the IP NAT outside.
IP NAT outside takes precedence over IP NAT inside.
User defined ACLs takes precedence over IP NAT configuration.
IP NAT outside follow the same rate limit as IP NAT inside, which is 40 kpps.
Configuration:
(S3500-8Mem) (config) #interface vlan 717
(S3500-8Mem) (vlan “717") #ip nat outside
(S3500-8MEM) #show interface vlan 717
VLAN717 is administratively Up, Line protocol is Up
Hardware is CPU Interface, Address is 00:0b:86:6c:6b:80
Description: 802.1Q VLAN
Internet address is 177.177.17.18, Netmask is 255.255.255.0
IPV6 link-local address is fe80::b:8602:cd6c:6b80
Global Unicast address(es):
Routing interface is enabled, Forwarding mode is enabled
Interface is egress source NAT'ed
Directed broadcast is disabled, BCMC Optimization disabled
Encapsulation 802, Loopback not set
Interface index: 50332365
MTU 1500 bytes
Metric 1
Ospf-profile "ospf0"