Brocade Communications Systems ServerIron ADX 12.4.00 Service Manual Page 52
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40 ServerIron ADX NAT64 Configuration Guide
53-1002444-02
High availability for NAT64
3
DRAFT: BROCADE CONFIDENTIAL
The <holdoff-interval> variable is configured in seconds. Configurable values are from 10 through
3600 seconds. The default value is 180 seconds.
High availability for NAT64
The only high availability (HA) mode currently supported with the NAT64 feature is Active-Active HA.
Support for this mode is essentially the same as for the IPv4 client to IPv4 resource configuration
as described in “High availability for stateful NAT64” on page 18 with the following differences:
• Each ServerIron ADX is configured with a NAT64 IPv4 prefix, specifying the IPv4 address range,
and a NAT64 IPv6 prefix, specifying the IPv6 address range.
• Because the NAT64 configuration does not use a port pool, the port pool range option is not
configured.
• Because the NAT64 configuration is stateless, the inject-active-only option for HA configuration
is not used.
Displaying NAT64 information
You can display the following information for a stateless NAT64 configuration:
• “Displaying NAT64 IPv6 to IPv4 address mappings” on page 40
• “Displaying in-progress dynamic NAT64 mappings” on page 41
NOTE
You can run the show nat64 statistics or the show nat64 resources commands to view information
about stateless NAT64 configurations. For more information on these commands, refer to
“Displaying NAT64 statistics” on page 21 or “Displaying NAT64 resources” on page 25.
Displaying NAT64 IPv6 to IPv4 address mappings
Use the show nat64 map command to display NAT64 IPv6 to IPv4 address mappings in stateless
NAT64 gateways. This output is displayed as follows:
ServerIron ADX# show nat64 map all
*******************************
NAT64 IPv6-IPv4 Address Mapping
IPv6 Address IPv4 Address Type
1.1.1.1 2001::1 CLI
1.1.1.2 2001::2 DNS
1.1.1.3 DNS pending
*******************************
Syntax: show nat64 map { <IPv6_address> | <IPv4_address> | all }
The <IPv6_address> variable specifies the IPv6 address for the IPv6-IPv4 mapping that you want to
display.
The <IPv4_address> variable specifies the IPv4 address for the IPv6-IPv4 mapping that you want to
display.
- 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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