Brocade Communications Systems ServerIron ADX 12.4.00 Service Manual Page 111
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ServerIron ADX NAT64 Configuration Guide 99
53-1002444-02
Configuring IPv6 ACLs
6
DRAFT: BROCADE CONFIDENTIAL
Beginning with ServerIron ADX 12.3.01 and later
Beginning with release 12.3.01, IPv6 ACLs are processed as described for the following actions.
For deny actions
All deny packets are dropped in hardware.
For permit actions
For all permit traffic, packets are processed in hardware and then forwarded to the barrel
processors (BPs). The BPs do not take any action on the ACLs.
Backward compatibility option
You can use the ipv6 flow-based-acl-enable command to provide backward compatibility for
IPv6 ACL processing. If this command is configured, packets are processed in hardware and
then forwarded to the BPs where the BPs also process the ACLs.
ServerIronADX(config)# ipv6 flow-based-acl-enable
Syntax: ipv6 flow-based-acl-enable
Configuring IPv6 ACLs
To configure an IPv6 ACL, complete the following steps:
1. Create the IPv6 ACL.
2. Apply the IPv6 ACL to the interface.
Example configurations
To configure an ACL that blocks all Telnet traffic received on port 1/1 from IPv6 host
2001:db8:2382:e0bb::2, enter the following commands.
Here is another example of commands for configuring an ACL and applying it to an interface.
The first condition permits ICMP traffic from hosts in the 2001:db8:2383:e0bb::/64 network to
hosts in the 2001:db8:3782::/64 network.
ServerIronADX(config)# ipv6 access-list fdry
ServerIronADX(config-ipv6-access-list-fdry)# deny tcp host 2001:db8:2382:e0bb:
:2 any eq telnet
ServerIronADX(config-ipv6-access-list-fdry)# permit ipv6 any any
ServerIronADX(config-ipv6-access-list-fdry)# exit
ServerIronADX(config)# interface ethernet 1/1
ServerIronADX(config-if-1/1)# ipv6 traffic-filter fdry in
ServerIronADX(config)# write memory
ServerIronADX(config)# ipv6 access-list netw
ServerIronADX(config-ipv6-access-list-netw)# permit icmp 2001:db8:2383:
e0bb::/64 2001:db8:3782::/64
ServerIronADX(config-ipv6-access-list-netw)# deny ipv6 host 2001:db8:2383:
e0ac::2 host 2001:db8:2383:e0aa:0::24
ServerIronADX(config-ipv6-access-list-netw)# deny udp any any
ServerIronADX(config-ipv6-access-list-netw)# permit ipv6 any any
- 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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