Protocol; Ip Addresses - Apollo VioNet 3000 series User Manual And Instruction Manual

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9.0

Protocol

9.1

IP Addresses

The IP addresses for each interface are configured in the interface configuration menu.
Three types of IP addresses can be distinguished:
9.1.1 Numbered Addresses
These are addresses where the IP address is indicated. You configure this type of address by introducing
the address itself together with the subnet mask. E.g. if the address is a class B network, by using the third
byte for the subnet, the mask could possibly be 255.255.255.0.
ip address <direccion_IP> <mascara_IP>
An interface can have one primary address and multiple secondary addresses (configured through the
"secondary" option). Packets generated by the router always use the primary address therefore all devices
connected in the same segment must have primary addresses of the same network.
addresses are treated like primaries except the device never generates datagrams other than routing
updates whose source addresses are secondary IP addresses.
9.1.2 Unnumbered addresses
The value for these addresses is the interface number itself and they can only be used in point-to-point
interfaces. For this you need to enter "unnumbered" instead of the IP address and the subnet mask
config>ip address unnumbered [<interface number>]
When the device generates traffic, it needs to determine the source address for the said traffic. Normally the
output interface IP address is used, however if this is unnumbered the IP address for a different interface
must be used.
By using the <interface_name> parameter, you can specify which interface IP address should be used in
cases where this is necessary.
Unnumbered addresses must use a real address for the source of the packets which are transmitted through
the corresponding interface. It's possible to select an interface to take the address in these cases,
specifically indicting this when configuring the unnumbered address.
config>ip address unnumbered ethernet0/0
In cases where you do not specify the <interface_name> parameter, the device generates traffic with the
"global IP address" as source. The global IP address is the internal IP address in cases where this is
configured, or by default, the first configured IP address.
9.1.3 Addresses acquired through DHCP:
If you configure this type of address "dhcp-negotiated" in an Ethernet interface or subinterface, this implies
enabling the possibility of dynamically acquiring an address through the DHCP protocol in this interface, i.e.
enable the DHCP client functionality.
<nombre_int/subint_eth> config>ip address dhcp-negotiated
ethernet0/0 config>ip address dhcp-negotiated
Please note that when using a "dhcp-negotiated" address in an interface, you cannot simultaneously use
another numbered or unnumbered address.
To delete an address, use the same command preceded by the word "no".
ethernet0/0 config>no ip address ?
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