syslog is a client/server protocol standard uses for forwarding log messages in an IP network. It is typically used for computer system management and security auditing.
Most Cisco devices can use the syslog protocol to manage system logs and alerts.
However Cisco devices does not have large internal storage space for storing its logs. There are [...]
It is good to have CCNA credential if you would like to work as a network engineer. It shows that you have the basic foundation in the area of networking especially in the field of Cisco networking. Frankly, it would be easier when you are marketing yourself for a new IT job if you have [...]
One of the most important tasks of a network engineer or network manager is to manage his / her network. And one of the important items in network management is network monitoring. Through network monitoring, a network engineer will be able to know how his network perform - whether it is over utilized or under [...]
It is important to understand the process of routing if you are interested in learning networking. One of the fundamental of this study is static routing. Static routing is not complicated, but it is the basic. We need to understand the basic in order to learn the advanced topics.
Static routing is the process of configuring [...]
Dynamic Host Configuration Protocol (DHCP) is one of the most popular TCP/IP protocol uses today. It is used by networked devices to obtain information required to operate on an Internet Protocol network. These information may include
IP address
Default gateway
DNS server address
and so on.
When a DHCP client is first switched on, it sends a [...]
Following are some of the key points in configuring Cisco DDR on Cisco router.
DDR Legacy Concepts and Configuration
Step 1: Routing Packets Out the Interface to be Dialed
ip route 192.168.0.0 255.255.255.0 10.0.0.1
Step 2: Determining the Subset of the Packets That Trigger the Dialing Process
access-list 101 permit tcp any host 192.168.0.1 eq 80
! all ip packets being [...]
These are some of the Cisco IOS commands use in managing CDP on Cisco router & switch
show cdp interface
show cdp neighbors
show cdp neighbors detail
debug cdp packets
undebug all
show cdp traffic
clear cdp counters
Following are some of the Cisco IOS show command on Cisco router / switch
show ?
show version
show clock
show hosts
show users
show history
show arp
show flash
show running-config
show starup-config
show interface
show protocol
Private Addressing
10.0.0.0 - 10.255.255.255
172.16.0.0 - 172.31.255.255
192.168.0.0 - 192.168.255.255