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Reflective ACL

Created: Aug 21, 2020 06:54:06Latest reply: Aug 21, 2020 07:10:36 343 2 0 0 0
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Hi all,

I have configured the reflective ACL on the S9700, does the S5300 support this function? I didn't find it in the documentation. If not, is there an alternate function? I need to implement unidirectional access between VLANs on the S5320-28P-SI-AC.

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Popeye_Wang
Admin Created Aug 21, 2020 06:55:19

Hello,
The S5300 does not support reflective ACLs and does not have an alternate function. However, you can configure a traffic policy on the switch to implement unidirectional access for ICMP and TCP services. 

For example, 192.168.10.0 and 192.168.20.0 belong to vlan 10 and vlan 20 respectively, you can configure a traffic policy to prevent VLAN 10 from accessing VLAN 20.

#

acl number 3001

 rule 15 permit icmp source 192.168.10.0 0.0.0.255 destination 192.168.10.0 0.0.0.255 icmp-type echo

 rule 20 permit tcp source 192.168.10.0 0.0.0.255  destination 192.168.10.0 0.0.0.255 tcp-flag syn

#

traffic classifier c1

 if-match acl 3001

#

traffic behavior b1

 deny

#

traffic policy p1

 classifier b1 behavior c1

#

Vlan 20

 traffic-policy c1 outbound


Fefer to: https://support.huawei.com/enterprise/en/knowledge/EKB1100020242

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All Answers

Hello,
The S5300 does not support reflective ACLs and does not have an alternate function. However, you can configure a traffic policy on the switch to implement unidirectional access for ICMP and TCP services. 

For example, 192.168.10.0 and 192.168.20.0 belong to vlan 10 and vlan 20 respectively, you can configure a traffic policy to prevent VLAN 10 from accessing VLAN 20.

#

acl number 3001

 rule 15 permit icmp source 192.168.10.0 0.0.0.255 destination 192.168.10.0 0.0.0.255 icmp-type echo

 rule 20 permit tcp source 192.168.10.0 0.0.0.255  destination 192.168.10.0 0.0.0.255 tcp-flag syn

#

traffic classifier c1

 if-match acl 3001

#

traffic behavior b1

 deny

#

traffic policy p1

 classifier b1 behavior c1

#

Vlan 20

 traffic-policy c1 outbound


Fefer to: https://support.huawei.com/enterprise/en/knowledge/EKB1100020242

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  • x
  • convention:

Posted by Popeye_Wang at 2020-08-21 06:55 Hello,The S5300 does not support reflective ACLs and does not have an alternate function. However, y ...
Thanks, I'll try this later.
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