Archives by Tag 'ACL'
CCNA640-802 ACL design problem
ACL configuration
(1) Standard ACL
Step 1 Configured on the router host name and password
Step 2 Configure the Ethernet segment of the PC
a. PC 1
IP address 192.168.14.2
Subnet mask 255.255.255.0
Default gate...
Standard IP Access List Configuration
A standard access list is used to match a packet and then take the directed action.
Each standard ACL can match all, or only part, of the packet’s source IP address.
The only two actions taken when an access-list statement is matched...
Controlling Telnet Access with ACLs
Access into and out of the virtual terminal line (vty) ports of the Cisco IOS
software can also be controlled by IP access lists. IOS uses vtys to represent a
user who has Telnetted to a router, as well as for Telnet sessions a user of a
Standard IP Access List Configuration
A standard access list is used to match a packet and then take the directed action.
Each standard ACL can match all, or only part, of the packet’s source IP address.
The only two actions taken when an access-list statement is matched...
Wildcard Masks
Wildcard Masks IOS IP ACLs match packets by looking at the IP, TCP, and UDP headers in the packet.
Standard IP access lists can also examine only the source IP address. You can
configure the router to match the entire IP address or just a ...
CCNA Access List Sim
(Updated from real CCNA exam on 07-March-2009)
Question:
An administrator is trying to ping and telnet from Switch to Router with the results shown below:
Switch>
Switch> ping 10.4.4.3
Type escape sequence to abor...
Context-Based Access Control
ã€Lab Topology】
ã€Lab Object】 Technical characteristics: 1. Traffic filtering CBAC checks not only the information of the network layer and the transport layer but also the information of the application layer. It can a...
Use Extended ACL to Block ping Command
Lab Requirements:
1. The router names are p4s1 and p4s2.
2. The S1/1 interface of p4s1 is connected to that of p4s2. The S1/1 interface of p4s2 is the DCE end.
3. Use the ping command on p4s1 to test the connectivity to p4s2 and acc...
Easy packet captures straight from the Cisco ASA firewall
Whether you are troubleshooting a difficult problem or chasing some interesting traffic, sometimes you need to pull a packet capture. Of course, you could configure and deploy a sniffer, but that is not the only solution you have at your fingertips. Y...
CCNA Access List Notes
Access Lists Access lists are one of the more difficult concepts to master for your Cisco CCNA exam. It is hard to simulate the different types of scenarios that may be covered on your Cisco CCNA exam in a lab so you can really get a handle on access ...