Nesting Object Groups - Cisco 7604 Configuration Manual
Catalyst 6500 series switch and cisco 7600 series router firewall services module configuration guide using the cli
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Chapter 13
Identifying Traffic with Access Lists
To add an ICMP type group, perform the following steps:
To add an ICMP type group, enter the following command:
Step 1
hostname(config)# object-group icmp-type grp_id
The grp_id is a text string up to 64 characters in length.
The prompt changes to ICMP type configuration mode.
Step 2
(Optional) To add a description, enter the following command:
hostname(config-icmp-type)# description text
The description can be up to 200 characters.
Step 3
To define the ICMP types in the group, enter the following command for each type:
hostname(config-icmp-type)# icmp-object icmp_type
See the
For example, to create an ICMP type group that includes echo-reply and echo (for controlling ping),
enter the following commands:
hostname(config)# object-group icmp-type ping
hostname(config-service)# description Ping Group
hostname(config-icmp-type)# icmp-object echo
hostname(config-icmp-type)# icmp-object echo-reply
Nesting Object Groups
To nest an object group within another object group of the same type, first create the group that you want
to nest according to the
steps:
Step 1
To add or edit an object group under which you want to nest another object group, enter the following
command:
hostname(config)# object-group {{protocol | network | icmp-type} grp_id | service grp_id
{tcp | udp | tcp-udp}}
To add the specified group under the object group you specified in Step 1, enter the following command:
Step 2
hostname(config-group_type)# group-object grp_id
The nested group must be of the same type.
You can mix and match nested group objects and regular objects within an object group.
For example, you create network object groups for privileged users from various departments:
hostname(config)# object-group network eng
hostname(config-network)# network-object host 10.1.1.5
hostname(config-network)# network-object host 10.1.1.9
hostname(config-network)# network-object host 10.1.1.89
hostname(config-network)# object-group network hr
Catalyst 6500 Series Switch and Cisco 7600 Series Router Firewall Services Module Configuration Guide using ASDM
OL-20748-01
"ICMP Types" section on page E-15
"Adding Object Groups" section on page
Simplifying Access Lists with Object Grouping
for a list of ICMP types.
13-12. Then perform the following
13-15
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