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Configuring MMP
If you have multiple access servers stacked together to provide a frontend for receiving access calls,
you can configure Multichassis Multilink Point-to-Point Protocol (MMP) so that Multilink PPP
(MP) call processing can be offloaded to other access servers.
MMP support on a group of access servers requires that each access server be configured to support:
•
•
•
Configure
e
Table 3-29
Step
1
2
3
4
5
6
7
8
9
10
Stack Group Bidding Protocol (SGBP)
Virtual templates used for cloning interface configurations to support MMP
Multilink PPP
Configuring MMP
Command
5300> enable
Password: <password>
5300#
5300# configure terminal
Enter configuration commands, one per line. End
with CNTL/Z.
5300(config)#
5300(config)# sgbp group stackq
5300(config)# sgbp member systemb 172.16.188.2
5300(config)# sgbp member systemc 172.16.189.254
5300(config)# sgbp seed-bid offload
5300(config)# multilink virtual-template number
5300(config)# ip local pool default ip-address
5300(config)# interface virtual-template number
5300(config-if)# ip unnumbered ethernet 0
5300(config-if)# encapsulation ppp
Configuring MMP
Purpose
Enter enable mode (also called
privileged EXEC mode).
Enter the password.
You have entered enable mode when the
prompt changes to
.
5300#
Enter global configuration mode. You
have entered global configuration mode
when the prompt changes to
5300(config)#.
Create a stack group and assign this
access server to it.
Specify the host name and IP address of
the peer member of the stack group. In
this example there are two peers:
systemb and systemc.
Set the bidding level for a stack group
member. Offload indicates that this
access server is a relatively higher
powered stack group member. The
access server will function as an offload
server and host the master bundle
interface.
1
Define a virtual template
for the stack
group.
Specify an IP address pool by using any
pooling mechanism—for example, IP
2
local pooling or DHCP
pooling.
Create a virtual template interface, and
enter interface configuration mode.
If dialers are not configured on the
physical interfaces, identify the virtual
template interface type and number on
the LAN.
Enable PPP encapsulation on the virtual
template interface.
Basic Configuration 3-55
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