Normally, one interface has one IP address. In order for one interface of the router to
interconnect with multiple nets, an interface can have multiple IP addresses. One of
them is the main IP address, and the others are secondary IP addresses.
In addition, all the IP addresses configured at the interfaces in the router can not be
located in the same subnet.
If the undo ip address command is not followed by ip-address, then all IP addresses
at this interface are deleted.
For related commands, see ip route-static, display interface.
Example
# Configure the IP address 129.102.0.1, slave IP address 202.38.160.1 and subnet
mask 255.255.255.0 for the interface Serial 0.
[3Com-Serial1] ip address 129.102.0.1 255.255.255.0
[3Com-Serial1] ip address 202.38.160.1 255.255.255.0 sub
1.1.2 ip address ppp-negotiate
Syntax
ip address ppp-negotiate
undo ip address ppp-negotiate
View
Interface view
Parameter
None
Description
Using the ip address ppp-negotiate command, you can enable IP address ppp
negotiated at the interface. Using the undo ip address ppp-negotiate command,
you can disable the negotiation on IP address.
By default, the IP address negotiated function is disabled.
When PPP is encapsulated and no IP address is configured for the interface, if the
remote interface has an IP address, you can configure IP address negotiable attribute
for the interface (by configuring ip address ppp-negotiate command at the local
router and configuring remote address command at the remote router) to enable the
Network Protocol
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