Cisco Nexus 7000 Series Manuale di configurazione - Pagina 18

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Configuring an IP ACL

Step 4

Configure the device group probe:

switch(config-device-group)# probe probe-id [control status] [host host-name] [frequency frequency-number

| timeout timeout | retry-down-count down-count | retry-up-count up-count | ip ipv4-address]

You can specify Internet Control Message Protocol (ICMP), TCP, UDP, or Domain Name System (DNS)

protocol as the probe for the Catena instance.

Descriptions for some of the keyword-argument pairs are provided below:

• control status—Specifies the control protocol status.

• frequency frequency-number—Specifies the time interval, in seconds, between successive probes sent

• timeout timeout—Specifies the number of seconds to wait for the probe's response.

• retry-down-count down-count—Specifies the consecutive number of times the probe must have failed

• retry-up-count up-count—Specifies the consecutive number of times the probe must have succeeded

Note

Configuring an IP ACL

Procedure

Step 1

Enter global configuration mode:

switch# configure terminal

Step 2

Create the IP ACL and enter IP ACL configuration mode:

switch(config)# ip access-list acl-name

The acl-name argument can be up to 64 characters in length.

Step 3

Create a rule in the IP ACL:

switch(config-acl)# [sequence-number] {permit | deny} protocol source destination

You can create many rules. The sequence-number range is from 1 and 4294967295. The permit and deny

keywords support different ways of identifying traffic.

Configuring a Port ACL

Port ACLs (PACLs) are used as filters in transparent mode. They are used to seggregate IP traffic for transparent

mode PACL. The traffic is redirected to a particular egress interface based on the access control entries (ACE).

Cisco Nexus 7000 Series Switches Configuration Guide: The Catena Solution

to the node.

prior to the node being marked as DOWN.

prior to the node being marked as UP.

IPv6, TCP, UDP, and HTTP probes are not supported.

Configuring the Catena Solution