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104 Brocade ICX 6650 Security Configuration Guide
53-1002601-01
Applying an ACL to a virtual interface in a protocol- or subnet-based VLAN
The following shows the comment text for a numbered ACL, ACL 100, in a show running-config
display.
Syntax: show running-config
The following example shows the comment text for an ACL in a show access-list display. The output
is identical in a show ip access-list display.
Syntax: show access-list ACL-num | ACL-name | all
or
Syntax: show ip access-list ACL-num | ACL-name | all
Applying an ACL to a virtual interface in a protocol-
or subnet-based VLAN
By default, when you apply an ACL to a virtual interface in a protocol-based or subnet-based VLAN,
the ACL takes effect on all protocol or subnet VLANs to which the untagged port belongs. To
prevent the Brocade device from denying packets on other virtual interfaces that do not have an
ACL applied, configure an ACL that permits packets in the IP subnet of the virtual interface in all
protocol-based or subnet-based VLANs to which the untagged port belongs. The following is an
example configuration.
Brocade# configure terminal
Brocade(config)# vlan 1 name DEFAULT-VLAN by port
Brocade(config-vlan-1)# ip-subnet 192.168.10.0 255.255.255.0
Brocade(config-vlan-ip-subnet)# static ethe 1
Brocade(config-vlan-ip-subnet)# router-interface ve 10
Brocade(config-vlan-ip-subnet)# ip-subnet 10.15.1.0 255.255.255.0
Brocade(config-vlan-ip-subnet)# static ethe 1/1/1
Brocade(config-vlan-ip-subnet)# router-interface ve 20
Brocade(config-vlan-ip-subnet)# logging console
Brocade(config-vlan-ip-subnet)# exit
Brocade# show running-config
…
access-list 100 remark The following line permits TCP packets
access-list 100 permit tcp 192.168.4.40/24 10.2.2.2/24
access-list 100 remark The following line permits UDP packets
access-list 100 permit udp 192.168.2.52/24 10.2.2.2/24
access-list 100 deny ip any any
Brocade# show access-list
IP access list rate-limit 100 0000.00bb.cccc
Extended IP access list TCP/UDP (Total flows: N/A, Total packets: N/A)
ACL Remark: The following line permits TCP packets
permit tcp 10.0.0.40 255.255.255.0 10.0.0.2 255.255.255.0 (Flows: N/A, Packets:
N/A)
ACL Remark: The following line permits UDP packets
permit udp 10.0.0.52 255.255.255.0 10.0.0.2 255.255.255.0 (Flows: N/A, Packets:
N/A)
deny ip any any (Flows: N/A, Packets: N/A)