Motorola Netopia 3342N - Manual (Page 264)

Administrator’s Handbook
264
set ip ip-ppp [ vccn ] peer-address ip_address
Specifies the IP address of the peer on the other end of the PPP link. If you specify an IP address other than
0.0.0.0, your Motorola Netopia® Gateway will not negotiate the remote peer's IP address. If the remote
peer does not accept the address in the ip_address argument as its IP address (typically because it has
been configured with another IP address), the link will not come up.
The default value for the ip_address argument is 0.0.0.0, which indicates that the vir tual PPP inter face
will accept the IP address returned by the remote peer. If you enter 0.0.0.0, the peer system must be con-
figured to supply this address.
set ip ip-ppp [ vccn ] restrictions { admin-disabled | none }
Specifies restrictions on the types of traffic the Motorola Netopia® Gateway accepts over the PPP vir tual
circuit. The admin-disabled argument means that access to the device via telnet, web, and SNMP is
disabled. RIP and ICMP traffic is still accepted. The none argument means that all traffic is accepted.
set ip ip-ppp [ vccn ] addr-mapping [ on | off ]
Specifies whether you want the Motorola Netopia® Gateway to use network address translation (NAT) when
communicating with remote routers. Address mapping lets you conceal details of your network from remote
routers. It also permits all LAN devices to share a single IP address. By default, address mapping is turned
“On”.
set ip ip-ppp [ vccn ] auto-sensing [ off | dhcp/pppoe | pppoe/pppoa ]
Enables or disables DHCP/PPPoE or PPPoE/PPPoA autosensing on the specified inter face. Setting this to
DHCP/PPPoE enables automatic sensing of your WAN connection type: PPPoE or DHCP. The gateway
attempts to connect using PPPoE first. If the Gateway fails to connect after 60 seconds, it switches to
DHCP. As soon as it can connect via DHCP, the Gateway chooses and sets DHCP as its default. Other wise,
after attempting to connect via DHCP for 60 seconds, the Gateway switches back to PPPoE. The Gateway
will continue to switch back and for th in this manner until it successfully connects. Similarly, selecting
PPPoE/PPPoA causes the Gateway to attempt to connect by trying these protocols in parallel, and using
the first one that is successful.
set ip ip-ppp [ vccn ] rip-send { off | v1 | v2 | v1-compat | v2-MD5 }
Specifies whether the Motorola Netopia® Gateway unit should use Routing Information Protocol (RIP) broad-
casts to adver tise its routing tables to routers on the other side of the PPP link. An extension of the original
Routing Information Protocol (RIP-1), RIP Version 2 (RIP-2) expands the amount of useful information in the
packets. While RIP-1 and RIP-2 share the same basic algorithms, RIP-2 suppor ts several new features. For
example, inclusion of subnet masks in RIP packets and implementation of multicasting instead of broad-
casting. This last feature reduces the load on hosts which do not suppor t routing protocols. RIP-2 with MD5
authentication is an extension of RIP-2 that increases security by requiring an authentication key when
routes are adver tised.
This command is only available when address mapping for the specified vir tual circuit is turned “off”.
If you specify v2-MD5, you must also specify a rip-send-key. Keys are ASCII strings with a maximum of 31
characters, and must match the other router(s) keys for proper operation of MD5 suppor t.