Ruijie Networks RG-S2600E Series Cli Reference Manual page 242

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S2600E/P CLI Reference Guide
guidelines
Chapter 1 IP Address Configuration Commands
it is configured with an IP address. After an IP address is
configured for the interface, the interface is allowed to run
the Internet Protocol (IP).
The network mask is also a 32-bit value that identifies
which bits among the IP address is the network portion.
Among the network mask, the IP address bits that
correspond to value "1" are the network address. The IP
address bits that correspond to value "0" are the host
address. For example, the network mask of Class A IP
address is "255.0.0.0". You can divide a network into
different subnets using the network mask. Subnet division
means to use the bits in the host address part as the
network address part, so as to reduce the capacity of a
host and increase the number of networks. In this case,
the network mask is called subnet mask.
The RGOS software supports multiple IP address for an
interface, in which one is the primary IP address and
others are the secondary IP addresses. Theoretically,
there is no limit for the number of secondary IP addresses.
The primary IP address must be configured before the
secondary IP addresses. The secondary IP address and
the primary IP address must belong to the same network
or different networks. Secondary IP addresses are often
used in network construction. Typically, you can try to use
secondary IP addresses in the following situations:
A network hasn't enough host addresses. At present,
the LAN should be a class C network where 254 hosts
can be configured. However, when there are more
than 254 hosts in the LAN, another class C network
address is necessary since one class C network is not
enough. Therefore, the device should be connected to
two networks and multiple IP addresses should be
configured.
Many older networks are layer 2-based bridge
networks that have not been divided into different
subnets. Use of secondary IP addresses will make it
very easy to upgrade this network to an IP
layer-based
routing
configures an IP address for each subnet.
Two subnets of a network are separated by another
network. You can create a subnet for the separated
network, and connect the separated subnet by
configuring a secondary IP address. One subnet
network.
The
equipment

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