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64200600L1#T-31A © 2002, ADTRAN, Inc. Page 39
Total Access 600R User Interface Guide (UIG)
Proxy ARP
This feature allows the network portion of a group of addresses to be shared among several physical
network segments. The ARP protocol provides a way for devices to create a mapping between physical
addresses and logical IP addresses. Proxy ARP makes use of this mapping feature by instructing a
router to answer ARP requests as a “proxy” for the IP addresses behind one of its ports. The device
which sent the ARP request will then correctly assume that it can reach the requested IP address by
sending packets to the physical address that was returned. This technique effectively hides the fact that
a network has been (further) subnetted. If this option is set to Y
ES
, when an ARP request is received on
the Ethernet port the address is looked up in the IP routing table. If the forwarding port is not on the
Ethernet port and the route is not the default route, the Total Access 600R will answer the request with
its own hardware address. Default is Y
ES
.
ROUTER>CONFIG>ETHERNET>SECONDARY IPS
This allows the Total Access 600R to specify additional IP addresses and networks on its Ethernet. The max-
imum number of entries is 10.
IP Address
This is the second IP address the 600R will respond to on the Ethernet. Default is
0.0.0.0
.
Subnet Mask
This is the mask for the network. Default is
255.255.255.0
.
ROUTER>CONFIG>ETHERNET>MAC ADDRESS
This is a read-only field which displays the unique MAC address programmed at ADTRAN.
ROUTER>CONFIG>WAN
Use the WAN menu (Figure 9) to configure WAN settings on the 600R.
M
ODE
Enables or disables RIP. Default is O
FF
.
P
ROTOCOL
Specifies the RIP protocol. Choices are
V1
(RIP version 1) or
V2
(RIP version 2). Default is
V1.
METHOD
Specifies the way the RIP protocol sends out its advertise-
ments. Choices are given below.
N
ONE
All routes in the router table are advertised with no
modification of the metrics.
S
PLIT
H
ORIZON
Only routes not learned from this circuit are adver-
tised.
POISON REVERSE
(
DEF
)
All routes are advertised, but the routes learned
from this port are “poisoned” with an infinite met-
ric.
D
IRECTION
Allows the direction at which RIP advertisements are sent and
listened to be specified.
TX
AND
RX (
DEF
)
RIP advertisements are periodically transmitted and
are listened to on this port.
TX O
NLY
RIP advertisements are periodically transmitted but
are not listened to on this port.
RX ONLY
RIP advertisements are listened to on this port, but
are not transmitted on this port.
V2 S
ECRET
Enter the secret used by RIP version 2 here.