Avaya Media Gateway G250, Administration Manual

Page: 280 / 840

Configuring WAN interfaces
280 Administration for the Avaya G250 and Avaya G350 Media Gateways
- The interface is not part of a primary-backup interface pair. See Backup
interfaces on page 289.
3. Use the
ip address
command to configure an IP address and subnet mask for the
interface. In most cases, PPPoE tunnels require a 32-bit subnet mask.
Alternatively, you can enter
ip address negotiated
to obtain an IP address via
PPP/IPCP negotiation.
Note:
Note:
You cannot configure PPP/IPCP address negotiation if DHCP address
negotiation is already configured on the interface (see
Configuring DHCP
client on page 218).
4. Configure an authentication method and parameters:
- For PAP authenticating, enter
ppp pap-sent username
followed by a user name
and password. For example:
- For CHAP authentication, enter
ppp chap hostname
followed by a hostname, and
ppp chap password
followed by a password. For example:
5. You can use the following commands to change the interface parameters:
-
pppoe-client service-name
. Force the PPPoE client to connect only to access
concentrators that support a specific service name.
Use the
no
form of this command to deactivate connection to a specific service name.
When connection to a specific service name is deactivated, the PPPoe client attempts
to automatically discover the service name by initiating PADI frames with a blank
service name.
-
mtu
. Set the interface’s MTU to 1492 which ensures that overall packet size for the
PPPoE interface does not exceed 1500, which is the MTU for Ethernet.
-
pppoe-client wait-for-ipcp
. Set the amount of time (in seconds) between
establishment of the PPPoE tunnel and establishment of the IPCP tunnel. If this time is
exceeded, the PPPoE client terminates the PPPoE tunnel.
-
pppoe-client persistent delay
. Set the interval between pppoe-client dial
attempts.
-
pppoe-client persistent max-attempts
. Limit the number of consecutive
connection establishment retires
G350-001(super-if:FastEthernet 10/2)# ppp pap-sent username avaya32 password 123456
Done!
G350-001(super-if:FastEthernet 10/2)# ppp chap hostname avaya32
Done!
G350-001(super-if:FastEthernet 10/2)# ppp chap password 123456
Done!