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50
ESR Series Routers Operation Manual
esr(config-zone-rule)#
match destination-address LAN
esr(config-zone-rule)#
match source-address LAN_GATEWAY
esr(config-zone-rule)#
enable
esr(config-zone-rule)#
exit
esr(config-zone-pair)#
exit
esr(config)#
exit
Configuration changes will take effect when the following commands are executed:
esr#
commit
Configuration has been successfully committed
esr#
confirm
Configuration has been successfully confirmed
esr#
To view port membership in zones, use the following command:
esr#
show security zone
To view zone pairs and their configuration, use the following commands:
esr#
show security zone-pair
esr#
show security zone-pair configuration
To view active sessions, use the following commands:
esr# show ip firewall sessions
7.9
Access list (ACL) configuration
Access Control List or ACL is a list that contains rules defining traffic transmission through the
interface.
Objective
: Allow traffic transmission from 192.168.20.0/24 subnet only.
Solution:
Configure access control list for filtering by a subnet:
esr#
configure
esr(config)#
ip access-list extended white
esr(config-acl)#
rule 1
esr(config-acl-rule)#
action permit
esr(config-acl-rule)#
match protocol any
esr(config-acl-rule)#
match source-address 192.168.20.0
255.255.255.0
esr(config-acl-rule)#
match destination-address any
esr(config-acl-rule)#
enable
esr(config-acl-rule)#
exit
esr(config-acl)#
exit
Apply access list to Gi1/0/19 interface for inbound traffic:
esr(config)#
interface gigabitethernet 1/0/19
esr(config-if-gi)#
service-acl input white
Configuration changes will take effect when the following commands are executed: