Allied Telesis AT-WR4500 manual Unnumbered Interfaces, Consider the following configuration

AT-WR4500 Series - IEEE 802.11abgh Outdoor Wireless Routers	91
RouterOS v3 Configuration and User Guide

Example

Consider the following configuration:

Server	10.0.0.1/24	Internet
10.0.0.2/24

10.0.0.217/24

ether1

Pppoe-inX addresses 10.0.0.217/32

Reserved for dial in 10.0.0.230..240

Laptop

WS 10.0.0.231/24

10.0.0.230/24

Figure 12: Proxy ARP with PPPoE

The Router setup is as follows:

admin@AT-WR4562] ip arp> /interface ethernet print
Flags: X - disabled, R - running
#		NAME	MTU	MAC-ADDRESS		ARP
0		R eth-LAN	1500	00:50:08:00:00:F5 proxy-arp
[admin@AT-WR4562] ip arp> /interface print
Flags: X - disabled, D - dynamic, R - running
#		NAME	TYPE		MTU
0		eth-LAN	ether		1500
1		prism1	prism		1500
2	D	pppoe-in25	pppoe-in
3	D	pppoe-in26	pppoe-in
[admin@AT-WR4562] ip arp> /ip address print
Flags: X - disabled, I - invalid, D - dynamic
#		ADDRESS	NETWORK		BROADCAST	INTERFACE
0		10.0.0.217/24	10.0.0.0		10.0.0.255	eth-LAN
1	D 10.0.0.217/32		10.0.0.230		0.0.0.0	pppoe-in25
2	D 10.0.0.217/32		10.0.0.231		0.0.0.0	pppoe-in26

[admin@AT-WR4562] ip		arp> /ip route print
Flags: X - disabled, I - invalid, D - dynamic, J - rejected,
C - connect, S - static, R - rip, O - ospf, B - bgp
#	DST-ADDRESS		G GATEWAY	DISTANCE INTERFACE
0	S 0.0.0.0/0		r 10.0.0.1	1	eth-LAN
1	DC 10.0.0.0/24		r 0.0.0.0	0	eth-LAN
2	DC 10.0.0.230/32		r 0.0.0.0	0	pppoe-in25
3	DC 10.0.0.231/32		r 0.0.0.0	0	pppoe-in26

[admin@AT-WR4562] ip arp>

5.1.5 Unnumbered Interfaces

Description

Unnumbered interfaces can be used on serial point-to-point links. If your AT-WR4500 ROUTER is not equipped with such interfaces, please disregard this description. A private address should be put on the