Configuring a Catena Instance
Configuring a Catena Instance
A catena instance is a container for multiple chains. You must configure the necessary groups for ports,
VLANs, or devices before starting your catena instance.
To create or delete a catena instance.
Before You Begin
Enable the catena solution. See
Configure the port group, VLAN, device group, and access control list, for the catena instance.
SUMMARY STEPS
1. configure terminal
2. catena instance-name
3. chain chain-id
4. sequence-no access-list acl-name {vlan-group | ingress-port-group ipg-name} {egress-port-group
epg-name | egress-device-group edg-name} [ mode mode ] load-balance { port-channel | method} {
src-ip | dst-ip}
5. no shut
6. (Optional) copy running-config startup-config
DETAILED STEPS
Command or Action
Step 1
configure terminal
Example:
switch# configure terminal
switch(config)#
Step 2
catena instance-name
Example:
switch(config)# catena ins1
Step 3
chain chain-id
Example:
switch(config-catena-instance)# chain
10
Example:
switch(config-catena-instance)# chain
20
Step 4
sequence-no access-list acl-name {vlan-group
| ingress-port-group ipg-name}
{egress-port-group epg-name |
egress-device-group edg-name} [ mode mode
Cisco Nexus 9000 Series NX-OS Catena Configuration Guide, Release 7.x
14
Enabling or Disabling the Catena Solution, on page
Purpose
Enters global configuration mode.
Creates a catena instance and enters catena instance configuration mode.
Creates a chain ID. A chain is a list of elements where each element
corresponds to an appliance. Creating a chain also allows you to specify
the number and sequence of elements, enabling traffic redirection.
The examples shows two separate chains.
The following describes some of the keyword-argument pairs:
• sequence-number—Specifies the sequence number.
• access-list acl-name—Specifies the access list.
Configuring the Catena Solution
8.
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