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user 36920
Discussion on Access-Control-Lists (ACL) or Access-Control-Entries (ACE)
3
votes
2
answers
323
views
Standard access list
following setup
Vlan10
Pc1 192.168.10.20
Vlan20
Pc2 192.168.20.20
Vlan21
Pc2 192.168.21.20
Subnet :255.255.255.0
All connected to layer 3 switch
I have following ACL … Access-list 10 permit 192.168.10.0 0.0.0.255
Access-list 20 permit 192.168.20.0 0.0.0.255
I applied the ACL to vlan 10 as below:
Interface vlan 10
IP access-group 20 in
Why isn't it not possible …
- 227
0
votes
Accepted
Standard access list
Thanks everyone I got the difference
For all standard ACL , there is an default deny ACE
ACE means the ACL entry:
access-list 12 permit/deny x.x.x.x x.x.x.x'
Default ACE: if a packet doesn't match … 12 to inbound interface of VLAN 10 then ,
ACL will check for packets coming from VLAN 10 into VLAN 12 , and will reject everything which doesn't match the ACE. …
- 227