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34 ServerIron ADX NAT64 Configuration Guide
53-1002444-02
Stateless NAT64 static mapping configuration
3
DRAFT: BROCADE CONFIDENTIAL
The inject-static-route option injects the host route into the routing protocol. The host route is only
injected if the static map command is issued or a dynamic mapping is found. Unlike when an IPv4
prefix route is injected, the IPv6 route injection configuration does not require that you specify an
interface. Route injection for IPv6 uses the null0 route.
Configuring NAT64 static mapping
Use the nat64 map command to specify the IPv4 address (within the subnet defined by the NAT64
IPv4 prefix) of a resource and map that address to the IPv6 address of a client.
Enter a command such as the following:
ServerIron ADX(config)# nat64 map 201.1.1.100 2001:db8:8000::100
Syntax: [no] nat64 map <ipv4-address> < ipv6-address>
The <ipv4-address> variable specifies the IPv4 address for the IPv4-IPv6 mapping. The
<ipv6-address> variable specifies an IPv6 address for the IPv4-IPv6 mapping.
NOTE
The static IPv4 host route is injected into the IPv4 routing table if a matching IPv4 prefix is
configured.
NOTE
A maximum of 1024 entries is supported in the mapping table. Entries can be defined manually
using the nat64 map command or dynamically using real-time or prefetched dynamic mappings. For
more information, refer to “Populating the NAT64 mapping table” on page 30.
Stateless NAT64 static route injection configuration example
Figure 11 shows a typical IPv6-only client to IPv4 resource topology configured with router
adjacency relationships on both the IPv4 and IPv6 sides of the ServerIron ADX (NAT64 gateway).
FIGURE 11 Stateless NAT64 route injection example
The following example configures a ServerIron ADX with NAT64 for route injection into OSPF with
the following required details:
1. An IPv6 address is configured: VLAN 1 is configured with VE 7, which has an IPv6 address
(2001:db8:80::80).
ServerIron ADX(config)# vlan 1
ServerIron ADX(config-vlan-1)# interface ethernet 1 to 2
Upstream IPv6
Router
IPv4
Downstream IPv4
Router
IPv6 Client NAT64 Gateway
NAT64 IPv6 Prefix:
2001:db8:pfx::0/96
NAT64 IPv4 Prefix
200.1.1.0/24
IPv4 Server
Port 1
Port 2
Port 3
OSPF Area 0
OSPF Area 1
- ServerIron ADX 1
- Document History 2
- Contents 3
- About This Document 9
- Command syntax conventions 10
- Notice to the reader 11
- Related publications 11
- Getting technical help 11
- NAT64 and NAT46 Overview 13
- Stateless NAT46 translation 14
- Protocol support 15
- NAT64 fragmentation support 17
- References 18
- Stateful NAT64 Configuration 19
- Operation of stateful NAT64 20
- 53-1002444-02 23
- Enabling connection logging 28
- Displaying NAT64 information 31
- Displaying NAT64 translations 32
- Displaying NAT64 statistics 33
- Displaying NAT64 resources 37
- Stateless NAT64 Configuration 39
- Operation of stateless NAT64 40
- High availability for NAT64 52
- Clearing NAT64 information 53
- Stateless NAT46 Configuration 55
- Operation of stateless NAT46 56
- High availability for NAT46 67
- Displaying NAT46 information 68
- Clearing NAT46 information 69
- Access Control Lists 71
- Rule-based ACLs 72
- Default ACL action 74
- ACL IDs and entries 74
- Configuring rule-based ACLs 77
- Modifying rule-based ACLs 85
- Reordering ACLs 86
- Applying ACLs to interfaces 87
- Adding comments to named ACLs 89
- ACL logging 94
- Displaying ACL log entries 95
- Clearing the ACL statistics 97
- Throttling the fragment rate 98
- DRAFT: BROCADE CONFIDENTIAL 100
- Enabling strict TCP mode 101
- Enabling strict UDP mode 102
- ACLs and ICMP 103
- Numbered ACLs 104
- Named ACLs 105
- • Enable the strict TCP mode 107
- IPv6 Access Control Lists 109
- Configuration notes 110
- Processing of IPv6 ACLs 110
- Configuring IPv6 ACLs 111
- IPv6 ACL syntax 114
- Syntax Description 116
- Displaying IPv6 ACLs 118
- Logging IPv6 ACLs 119
- Network Address Translation 121
- Configuring NAT 122
- Configuring static NAT 123
- Configuring dynamic NAT 123
- Enabling IP NAT 124
- NAT configuration examples 125
- IP NAT with VIP overlap 129
- Translation timeouts 130
- Stateless static IP NAT 132
- IP NAT redundancy 133
- Displaying NAT information 144
- Displaying NAT translation 147
- Displaying VRRPE information 148
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