Brocade Communications Systems ServerIron ADX 12.4.00 Service Manual download pdf (Page 137)

ServerIron ADX NAT64 Configuration Guide 125

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IP NAT redundancy

DRAFT: BROCADE CONFIDENTIAL

3. Configure the static NAT entries on each ServerIron ADX, and assign device ownerships to the

NAT entries. In this example, ServerIron ADX A is assigned as the NAT owner, and therefore

takes the higher priority value:

SI_A(config)# ip nat inside source static 10.1.1.100 63.2.63.100 2

SI_A(config)# ip nat inside source static 10.1.1.101 63.2.63.101 2

SI_A(config)# ip nat inside source static 10.1.1.102 63.2.63.102 2

SI_A(config)# ip nat inside source static 10.1.1.103 63.2.63.103 2

SI_B(config)# ip nat inside source static 10.1.1.100 63.2.63.100 1

SI_B(config)# ip nat inside source static 10.1.1.101 63.2.63.101 1

SI_B(config)# ip nat inside source static 10.1.1.102 63.2.63.102 1

SI_B(config)# ip nat inside source static 10.1.1.103 63.2.63.103 1

4. Enable static NAT on both devices:

ServerIronADX(config)# ip nat inside

5. Configure the inside interface of the default gateway router with an IP address from both the

static NAT subnet, as well as the inside network. The reason is that the default gateway should

be ping-able from both the ServerIron ADX switch as well as from the private client subnet. For

example:

Router(config)# interface ve 2

Router(config-VE)# ip address 63.2.63.44 255.255.255.0

Router(config-VE)# ip address 10.1.1.1 255.255.255.0

Configuring dynamic NAT redundancy in Sym-Active (Active-Active) mode

The Sym-Active (Active-Active) mode is available for IP NAT in router code, and it is configured in

combination with VRRP-E. Also, IP NAT is VIP group-aware and requires NAT port pools to be

configured in the VIP group, which is then tied to the VRRP-E configuration. Follow these steps to

enable the minimum required configuration for dynamic NAT in Sym-Active mode, as shown in

Figure 24.

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Brocade Communications Systems ServerIron ADX 12.4.00 Service Manual Page 137