IP address and MAC address relationship: IP address is based on the current IPV4 standard specified, not subject to hardware limitations easier to remember the address, length 4 bytes. The MAC address is the physical address of the network card,
Note: Relationship between the IP address and the MAC address: the IP address is specified according to the current IPv4 standard and is easy to remember without hardware restrictions. The length is 4 bytes. The MAC address is the physical address
I. host MAC and switch port binding:
Switch # config terminal
Switch (config) # int f0/1
Switch (config-if) # switchport mode access
Switch (config-if) # switchport port-security mac-address 2.16.0000.0001
2. Host IP address and switch port
I am using the development environment is VS2008, the development of the system where the mobile terminal version of Windows Mobile 5.0. Because of the need for identity verification, the need to obtain the mobile terminal MAC address, so the search
The MAC address of the computer is fixed, but the IP address can be set and changed. If the terminal arbitrarily modifies the IP address, it may cause a lan ip address conflict and affect normal use. If an ARP (IP-MAC matching relationship) attack
How does Mac view native IP and MAC addresses? Many users who just use Macs don't know how to view their native IP and MAC addresses. In fact, this is a little different from looking at the native IP address in the Windows system, so how do you view
The trilogy of illegal terminal access control: Control, check, guideJack ZhaiFirst, the issue of the proposed:intruders want to bypass the network's border measures, direct intrusion into the network inside, there are generally two ways: one is the
Wireless MAC address filtering is an efficient method to prevent wireless network access. However, when multiple routers are connected to the network, you need to set filtering rules on multiple routers, the setting methods vary slightly in
Analysis of TCP/IP packet based on JPCAPOriginal: Zhao HuiDirectoryChapter One structure of Ethernet and TCP/IP1.1 Structure of the Ethernet1.1.1 Ethernet based on network architectureData exchange of 1.1.2 Ethernet1.1.3 Structure of Ethernet frames1
Trilogy of illegal Terminal Access Control: control, query, and guide
I. Question proposal:Intruders want to bypass network boundary measures and directly intrude into the network through two channels: first, internal hosts "actively" create new
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