Brocade Communications Systems ServerIron ADX 12.4.00 Service Manual Page 6

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vi ServerIron ADX NAT64 Configuration Guide
53-1002444-02
DRAFT: BROCADE CONFIDENTIAL
Displaying rule-based ACL entries . . . . . . . . . . . . . . . . . . . . . . . . . . .78
Displaying ACLs using the show access-list command . . . . . . .78
Displaying ACLs using the show ip access-lists command . . . .79
Displaying ACLs using keywords . . . . . . . . . . . . . . . . . . . . . . . . .79
Displaying ACL bindings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .82
ACL logging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .82
Syslog message for changed ACL mode. . . . . . . . . . . . . . . . . . .83
Copying denied traffic to a mirror port for monitoring. . . . . . . .83
Displaying ACL log entries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83
Displaying ACL statistics for flow-based ACLs . . . . . . . . . . . . . .84
Clearing flow-based ACL statistics . . . . . . . . . . . . . . . . . . . . . . .85
Dropping all fragments that exactly match a flow-based ACL . . . . .85
Clearing the ACL statistics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85
Enabling ACL filtering of fragmented packets . . . . . . . . . . . . . . . . . .86
Filtering fragmented packets for rule-based ACLs. . . . . . . . . . .86
Throttling the fragment rate . . . . . . . . . . . . . . . . . . . . . . . . . . . .86
Enabling filtering for packets denied by flow-based ACLs . . . . . . . .88
Enabling strict TCP or UDP mode for flow-based ACLs . . . . . . . . . . .88
Enabling strict TCP mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .89
Enabling strict UDP mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .90
Configuring ACL packet and flow counters. . . . . . . . . . . . . . . . .90
ACLs and ICMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Using flow-based ACLs to filter ICMP packets . . . . . . . . . . . . . . 91
ICMP filtering with flow-based ACLs . . . . . . . . . . . . . . . . . . . . . .92
Using flow-based ACLs and NAT on the same interface . . . . . . . . . .95
Troubleshooting rule-based ACLs. . . . . . . . . . . . . . . . . . . . . . . . . . . .96
Chapter 6 IPv6 Access Control Lists
In this chapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
IPv6 ACL overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Configuration notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .98
Processing of IPv6 ACLs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .98
Configuring IPv6 ACLs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .99
Example configurations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .99
Default and implicit IPv6 ACL actions. . . . . . . . . . . . . . . . . . . .101
IPv6 ACL syntax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .102
Applying IPv6 ACLs to interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . .105
Displaying IPv6 ACLs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .106
Displaying IPv6 ACLs bound to an interface . . . . . . . . . . . . . .106
Using an ACL to restrict SSH access . . . . . . . . . . . . . . . . . . . . . . . .107
Using an ACL to restrict Telnet access. . . . . . . . . . . . . . . . . . . . . . .107
Logging IPv6 ACLs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .107
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