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M
MMAC Local Management
ICRO
A proxy ARP response is generated when the following occurs:
•
Proxy ARP is enabled on a router port.
•
An ARP request is received as a LAN broadcast (looking for the
MAC-layer address of an IP host on another network segment).
•
An entry exists in the IP Forwarding Table for the destination host's
network.
Enabling Proxy ARP on a router port allows IP hosts to dynamically
obtain the MAC-layer address of other IP hosts attached to different
networks or subnetworks by using broadcast ARP request packets. With
Proxy ARP enabled, IP hosts are not required to maintain knowledge of
specific subnetworks.
To enable Proxy ARP on a router port, complete the following steps:
1. Use the arrow keys to highlight the Proxy ARP field.
2. Use the ENTER key to toggle the entry to ENABLED.
3. Use the arrow keys to highlight the SAVE command field at the
bottom of the screen, and then press ENTER. The message "SAVED
OK" displays.
3.4.11 Configuring the Network Broadcast Type
on a Port
IP Routing Services recognizes and accepts as network broadcasts IP
packets with the host portion of the IP address as either all 1's or all 0's.
Other networking devices only recognize all 0's as a network broadcast.
To configure IP Routing Services to send network broadcasts addressed to
all 0's, complete the following steps:
1. Use the arrow keys to highlight the Network Bcast field.
2. Use the ENTER key to toggle the entry to ZEROS.
3. Use the arrow keys to highlight the SAVE command field at the
bottom of the screen and press ENTER. The message "SAVED OK"
displays.
18
MicroMMAC Local Management Routing Addendum
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