the reference value, expressed as the absolute power level in decibels
DBmo
DBmo
Take 1 MW as the reference value. Relative to the zero relative level, the absolute power level of the signal expressed in decibels
DCE
Data Circuit Equipment
Data Circuit Equipment
DDN
Digital Data Network
Digital Data Network
DSP
Digital Signal Processing
Digital Signal Processing
DTE
Date Terminal Equipment
Data Terminal Device
E
also illustrates the maximum port density and information point connectivity that can be provided in a stacked unit.
4. The minimum/maximum number of 10 Gigabit Ethernet ports is the minimum/maximum number of 10 Gigabit Ethernet ports supported by a LAN switch.
5. The minimum/maximum number of 100 Gigabit Ethernet ports is the minimum/maximum number of 100 gigabit Ethernet ports supported by a LAN switch.
6. The minimum/maximum number of 1000 Gigabit Ethernet ports is the minimum/maximum num
default.
(3) The third is the key word of the protocol, mainly including FDDI,IP,ARP,RARP,TCP,UDP type.FDDI indicates a specific network protocol on FDDI (Distributed Optical Data Interface Network), in effect it is the alias of "Ether", FDDI and Ether have similar source address and destination address, so the FDDI p
The first type keyword mainly includes host, net, port, for example host 210.27.48.2. It indicates that 210.27.48.2 is a host, and net 202.0.0.0 indicates that 202.0.0.0 is a network address, port 23 indicates that the port number is 23. If no type is specified, the default type is host.The second type is the key words for determining the transmission direction, including src, dst, dst or src, dst and src, which indicate the transmission direction. For example, src 210.27.48.2 indicates that the
is the key words for determining the transmission direction, including src, dst, dst or src, dst and src, which indicate the transmission direction. For example, src 210.27.48.2 indicates that the source address in the IP package is 210.27.48.2, and dst net 202.0.0.0 indicates that the destination network address is 202.0.0.0. If no direction keyword is specified, the src or dst keyword is used by default. The third type is the protocol keyword, which mainly includes
indicates that the port number is 23. if no type is specified, the default type is host.
The second type is the key words for determining the transmission direction, including src, dst, dst or src, dst and src, which indicate the transmission direction. For example, src 210.27.48.2 indicates that the source address in the IP package is 210.27.48.2, and dstnet 202.0.0.0 indicates that the destination network address is 202.0.0.0. If no direction keyword is specified, the src ordst keyword is use
indicates that the source address in the IP package is 210.27.48.2, and dst net 202.0.0.0 indicates that the destination network address is 202.0.0.0. If no direction keyword is specified, the src or dst keyword is used by default.
The third type is the protocol keyword, which mainly includes fddi, ip, arp, rarp, tcp, udp, and other types. Fddi indicates a specific network protocol on
specified, the src ordst keyword is used by default.
The third type is the protocol keyword, which mainly includes fddi, ip, arp, rarp, tcp, udp, and other types. Fddi indicates a specific network protocol on FDDI (distributed optical fiber data interface network). In fact, it is an alias of "ether". fddi and ether ha
transmission direction of the keywords, mainly including SRC, DST, DST or SRC, DST and src, these keywords indicate the direction of transmission. For example, SRC 210.27.48.2, which indicates that the source address in the IP packet is 210.27.48.2, DST net 202.0.0.0 indicates that the destination network address is 202.0.0.0. If no direction keyword is indicated, the default is the src or DST keyword.The third is the key word of the agreement, mainly including
The first type keyword mainly includes host, net, port, for example host 210.27.48.2. It indicates that 210.27.48.2 is a host, and net 202.0.0.0 indicates that 202.0.0.0 is a network address, port 23 indicates that the port number is 23. If no type is specified, the default type is host.The second type is the key words for determining the transmission direction, including SRC, DST, DST or SRC, DST and SRC, which indicate the transmission direction. For example, Src 210.27.48.2 indicates that the
established what connections.
Ii. detailed usage of tcpdump
The first type keyword mainly includes host, net, port, for example host 210.27.48.2. It indicates that 210.27.48.2 is a host, and net 202.0.0.0 indicates that 202.0.0.0 is a network address, port 23 indicates that the port number is 23. If no type is specified, the default type is host.
The second type is the key words for determining the transmission direction, including SRC, DST, DST or SRC, DST and SRC, which indicate the transmiss
is specified, the default type is host.
The second type is the key words for determining the transmission direction, including SRC, DST, DST or SRC, DST and SRC, which indicate the transmission direction. For example, Src 210.27.48.2 indicates that the source address in the IP package is 210.27.48.2, and DST net 202.0.0.0 indicates that the destination network address is 202.0.0.0. If no direction keyword is specified, the SRC or DST keyword is used by default.
The third type is the protocol k
The first type keyword mainly includes host, net, port, for example host 210.27.48.2. It indicates that 210.27.48.2 is a host, and net 202.0.0.0 indicates that 202.0.0.0 is a network address, port 23 indicates that the port number is 23. if no type is specified, the default type is host.
The second type is the key words for determining the transmission direction, including src, dst, dst or src, dst and src, which indicate the transmission direction. For example, src 210.27.48.2 indicates that th
the transmission direction. For example, Src 210.27.48.2 indicates that the source address in the IP package is 210.27.48.2, and DST net 202.0.0.0 indicates that the destination network address is 202.0.0.0. If no direction keyword is specified, the SRC or DST keyword is used by default. The third type is the protocol keyword, which mainly includes FDDI, IP, ARP, RARP, TCP, UDP, and other types. FDDI in
With the development of China's exchange industry, it also promotes the upgrade of various exchange technologies. Here we analyze the specific functions of various main parameters in the Ethernet switch. Generally, fixed configuration switches with no expansion slot support only one type of network. Rack-mounted Ethernet switches and fixed configuration switches with expansion slots support more than one type of network, for example, Ethernet, fast Ethernet, Gigabit Ethernet, ATM, licensing ring
the IP package is 210.27.48.2, and DST net 202.0.0.0 indicates that the destination network address is 202.0.0.0. If no direction keyword is specified, the SRC or DST keyword is used by default. The third type is the protocol keyword, which mainly includes FDDI, IP, ARP, RARP, TCP, UDP, and other types. FDDI indicates a specific network protocol on FDDI (Distrib
specified, the src ordst keyword is used by default.
The third type is the protocol keyword, which mainly includes fddi, ip, arp, rarp, tcp, udp, and other types. Fddi indicates a specific network protocol on FDDI (distributed optical fiber data interface network). In fact, it is an alias of "ether". fddi and ether ha
is specified, the src ordst keyword is used by default.
The third type is the protocol keyword, which mainly includes fddi, ip, arp, rarp, tcp, udp, and other types. Fddi indicates a specific network protocol on FDDI (distributed optical fiber data interface network). In fact, it is an alias of "ether". fddi and ether
202.0.0.0. If no direction keyword is specified, the src or dst keyword is used by default.
The third type is the protocol keyword, which mainly includes fddi, ip, arp, rarp, tcp, udp, and other types. Fddi indicates a specific network protocol on FDDI (distributed optical fiber data interface network). In fact, it is an alias of "ether".
specified, the src or dst keyword is used by default.
The third type is the protocol keyword, which mainly includes fddi, ip, arp, rarp, tcp, udp, and other types. Fddi indicates that it is specific on FDDI (distributed optical fiber data interface network ).
The network protocol is actually the alias of "ether". fddi
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