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JunosE 11.3.x Link Layer Configuration Guide
DHCP
Platform Considerations
Module Requirements
438
proxy ARP feature is enabled, the router response is redundant and might fool the IP
client into determining that the destination MAC address within its own subnet is the
same as the address of the router.
DHCP provides a mechanism through which hosts using TCP/IP can obtain protocol
configuration parameters automatically from a DHCP server on the network.
The most important configuration parameter carried by DHCP is the IP address. A host
must be initially assigned a specific IP address that is appropriate to the network to which
the computer is attached, and that is not assigned to any other host on that network. If
you move a host to a new network, you must give it a new IP address.
DHCP also carries other important configuration parameters such as the subnet mask,
default router, and Domain Name System (DNS) server.
An IP client contacts a DHCP server for configuration parameters. The DHCP server is
typically centrally located and operated by the network administrator. Because a network
administrator manages the server, DHCP clients can obtain reliable parameters
appropriate to the current network architecture.
For information about DHCP, see DHCP Overview Information.
You can configure bridged IP interfaces on the following E Series Broadband Services
Routers:
E120 router
E320 router
ERX1440 router
ERX1410 router
ERX710 router
ERX705 router
ERX310 router
For information about the modules that support bridged IP interfaces on ERX14xx models,
ERX7xx models, and the ERX310 router:
See ERX Module Guide, Table 1, Module Combinations for detailed module specifications.
See ERX Module Guide, Appendix A, Module Protocol Support for information about the
modules that support bridged IP.
For information about the modules that support bridged IP interfaces on the E120 and
E320 routers:
Copyright © 2010, Juniper Networks, Inc.
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