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тАО04-02-2006 11:35 PM
тАО04-02-2006 11:35 PM
Hi,
I am trying to apply an access list to a VLAN on a 5308 procurve switch in order to permit access to only 1 host in the VLAN. But when I apply the ACL IN on the VLAN, it blocks all traffic to all hosts. I can't see why this happens, have attached running config
Any ideas ?
thanks,
Tony
I am trying to apply an access list to a VLAN on a 5308 procurve switch in order to permit access to only 1 host in the VLAN. But when I apply the ACL IN on the VLAN, it blocks all traffic to all hosts. I can't see why this happens, have attached running config
Any ideas ?
thanks,
Tony
Solved! Go to Solution.
3 REPLIES 3
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тАО04-03-2006 11:54 AM
тАО04-03-2006 11:54 AM
Solution
Hi Tony,
I think you might have your ACL back to front. ACL's aren't my favourite but I'll give it a shot..
At the moment you have:
ip access-list extended "101"
permit ip any 10.12.0.106 0.0.0.0
Which means that any client on VLAN2 (10.12.0.0/16) can get access to 10.12.0.106 - which is on the same subnet so is actually unnecessary. At the end of any ACL there is an implicet deny any which explains why the other hosts can't get any access.
What I think you want is:
ip access-list extended "101"
permit ip 10.12.0.106 0.0.0.0 any
That will allow 10.12.0.106 to get access through the ACL to any other IP address.
You may not need an extended ACL either,
"ip access-list 1 permit host 10.12.0.106" should achieve the same thing.
Matt
I think you might have your ACL back to front. ACL's aren't my favourite but I'll give it a shot..
At the moment you have:
ip access-list extended "101"
permit ip any 10.12.0.106 0.0.0.0
Which means that any client on VLAN2 (10.12.0.0/16) can get access to 10.12.0.106 - which is on the same subnet so is actually unnecessary. At the end of any ACL there is an implicet deny any which explains why the other hosts can't get any access.
What I think you want is:
ip access-list extended "101"
permit ip 10.12.0.106 0.0.0.0 any
That will allow 10.12.0.106 to get access through the ACL to any other IP address.
You may not need an extended ACL either,
"ip access-list 1 permit host 10.12.0.106" should achieve the same thing.
Matt
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тАО04-03-2006 12:09 PM
тАО04-03-2006 12:09 PM
Re: VLAN Access lists
Maybe I read that wrong.
If you want a host in a different VLAN to be able to access 10.12.0.106, then you would use your original ACL and set it OUT instead of IN on VLAN 2.
If you want a host in a different VLAN to be able to access 10.12.0.106, then you would use your original ACL and set it OUT instead of IN on VLAN 2.
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тАО04-03-2006 09:43 PM
тАО04-03-2006 09:43 PM
Re: VLAN Access lists
Thanks Matt,
That sorted my problem.
Tony.
That sorted my problem.
Tony.
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