Brocade Communications Systems ServerIron ADX 12.4.00 Service Manual Page 60
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48 ServerIron ADX NAT64 Configuration Guide
53-1002444-02
NAT46 static mapping configuration
4
DRAFT: BROCADE CONFIDENTIAL
NOTE
For details about how to configure routing protocols on a ServerIron ADX, refer to the following
chapters in the ServerIron ADX Switch and Router Guide: “Configuring OSPF”, “Configuring IPv6
Dynamic Routing”, “Configuring IS-IS (IPv4)”, “Configuring IPv6 IS-IS”, “Configuring BGP4 (IPv4)”,
and “Configuring BGP4+”.
Advanced NAT46 static mapping configuration tasks include the following:
• “Configuring static NAT46 IPv6 prefixes with static route injection” on page 48
• “Configuring static NAT46 IPv4 prefixes with static route injection” on page 49
• “Configuring NAT46 static mapping” on page 49
Configuring static NAT46 IPv6 prefixes with static route injection
The NAT46 gateway uses a NAT46 IPv6 prefix to create a synthesized IPv6 source address on the
NAT46 gateway for each of the IPv4 clients. The synthesized IPv6 address is used to represent the
IPv4 clients to the IPv6 network.
To specify an IPv6 prefix and a route to the subnet defined by that prefix, enter a command such as
the following:
ServerIron ADX(config)# nat64 ipv6-prefix 2001:db8:8000::/96 inject-static-route
stateless
In the example, an IPv6 prefix (2001:db8:8000::) is defined that specifies the IPv6 subnet. The
inject-static-route option specifies a route to this subnet that will be injected into the local routing
table.
Syntax: [no] nat64 ipv6-prefix <prefix/length> [inject-static-route] stateless
The <prefix/length> variable specifies the NAT46 IPv6 prefix that will be used by the ServerIron
ADX when operating as a NAT46 gateway. Currently, the only supported prefix length is 96.
The stateless operand is required for stateless NAT46 gateway configurations. Only one IPv6 prefix
can be configured with this option.
The inject-static-route option is used to advertise the subnet defined by the <prefix/length>
variable on the IPv6 network.
In ServerIron ADX releases prior to 12.4.00, you must also identify either an Ethernet or VE
interface and port number on the NAT64 gateway for static route injection. The specified interface
must have an IPv6 address and be directly connected to an adjacent router.
Syntax: [no] nat64 ipv6-prefix <prefix/length> [inject-static-route {ve <port-number> | ethernet
<port-number>} ]
The ve <port-number> or ethernet <port-number> variable specifies an IPv6 interface that is
connected to the adjacent IPv6 router.
- 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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