Brocade Communications Systems ServerIron ADX 12.4.00 Service Manual Page 85
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ServerIron ADX NAT64 Configuration Guide 73
53-1002444-02
Modifying rule-based ACLs
5
DRAFT: BROCADE CONFIDENTIAL
Notice that the command prompt changes after you enter the ACL type and name. The “std” in the
command prompt indicates that you are configuring entries for a standard ACL. For an extended
ACL, this part of the command prompt is “ext“. The “nacl” indicates that are configuring a named
ACL.
Syntax: ip access-list extended | standard <acl-name> | <acl-num>
The extended | standard parameter indicates the ACL type.
The <acl-name> parameter is the ACL name. You can specify a string of up to 256 alphanumeric
characters. You can use blanks in the ACL name if you enclose the name in quotation marks (for
example, “ACL for Net1”). The <acl-num> parameter allows you to specify an ACL number if you
prefer. If you specify a number, you can specify from 1 through 99 for standard ACLs or 100 through
199 for extended ACLs.
NOTE
For convenience, the software allows you to configure numbered ACLs using the syntax for named
ACLs. The software also still supports the older syntax for numbered ACLs. Although the software
allows both methods for configuring numbered ACLs, numbered ACLs are always formatted in the
startup-config and running-config files in using the older syntax, as follows.
access-list 1 deny host 209.157.22.26
access-list 1 deny 209.157.22.0 0.0.0.255
access-list 1 permit any
access-list 101 deny tcp any any eq http
The options at the ACL configuration level and the syntax for the ip access-group command are the
same for numbered and named ACLs and are described in “Configuring standard numbered ACLs”
on page 65.
Configuration example for extended named ACL
To configure a named extended ACL entry, enter commands such as in the following example.
The options at the ACL configuration level and the syntax for the ip access-group command are the
same for numbered and named ACLs and are described in “Configuring extended numbered ACLs”
on page 67.
Modifying rule-based ACLs
This section includes the following topics:
• “Reordering ACLs” on page 74
• “Applying ACLs to interfaces” on page 75
ServerIronADX(config)# ip access-list extended “block Telnet”
ServerIronADX(config-ext-nacl)# deny tcp host 209.157.22.26 any eq telnet
ServerIronADX(config-ext-nacl)# permit ip any any
ServerIronADX(config-ext-nacl)# exit
ServerIronADX(config)# int eth 1/1
ServerIronADX(config-if-1/1)# ip access-group “block Telnet” in
- 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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