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This shows how to create a standard ACL with an ingress mask to deny
access to the IP host 171.69.198.102, and permit access to any others.
This shows how to create an extended ACL with an egress mask to drop
packets leaving network 171.69.198.0 when the Layer 4 source port is 23.
Console(config)#access-list ip standard A2
Console(config-std-acl)#permit any
Console(config-std-acl)#deny host 171.69.198.102
Console(config-std-acl)#end
Console#show access-list
IP standard access-list A2:
deny host 171.69.198.102
permit any
Console#configure
Console(config)#access-list ip mask-precedence in
Console(config-ip-mask-acl)#mask host any
Console(config-ip-mask-acl)#exit
Console(config)#interface ethernet 1/1
Console(config-if)#ip access-group A2 in
Console(config-if)#end
Console#show access-list
IP standard access-list A2:
deny host 171.69.198.102
permit any
Console#
Console(config)#access-list ip extended A3
Console(config-ext-acl)#deny host 171.69.198.5 any
Console(config-ext-acl)#deny 171.69.198.0 255.255.255.0 any
source-port 23
Console(config-ext-acl)#end
Console#show access-list
IP extended access-list A3:
deny host 171.69.198.5 any
deny 171.69.198.0 255.255.255.0 any source-port 23
Console#config
Console(config)#access-list ip mask-precedence out
Console(config-ip-mask-acl)#mask 255.255.255.0 any source-port
Console(config-ip-mask-acl)#exit
Console(config)#interface ethernet 1/15
Console(config-if)#ip access-group A3 out
Console(config-if)#end
Console#show access-list
IP extended access-list A3:
deny 171.69.198.0 255.255.255.0 any source-port 23
deny host 171.69.198.5 any
IP egress mask ACL:
mask 255.255.255.0 any source-port
Console#
Summary of Contents for 8708L2
Page 2: ......
Page 24: ...TABLES xxiv ...
Page 28: ...FIGURES xxviii ...
Page 290: ...CONFIGURING THE SWITCH 3 238 ...
Page 584: ...COMMAND LINE INTERFACE 4 294 ...
Page 592: ...TROUBLESHOOTING B 4 ...
Page 605: ......