From: Scott M. Livingston (scottl@sprinthosting.net)
Date: Sun Mar 09 2003 - 18:22:39 GMT-3
MLPP (RFC 1990 - I believe) can be used to aggregate WAN links to
increase BW and redundancy.
I actually set this up in one part of my "Operation Support" network as
my director could not cough up the hardware money for something real
fat... Good thing I had some extra serial interfaces lying around hu? I
aggregated 4 DS1's on both sides and increased my BW. Below is an
example config - just one way to do it.
!
interface Loopback10
description *** MLPP Interface - Caution ***
ip address 10.224.0.65 255.255.255.252
ip ospf network point-to-point
!
interface Serial1/0
description *** To Lees Summit ICS-LEE-RTR1 ***
no ip address
encapsulation ppp
no ip mroute-cache
no fair-queue
ppp multilink
!
interface Serial1/1
description *** To Lees Summit ICS-LEE-RTR1 ***
no ip address
encapsulation ppp
no fair-queue
ppp multilink
!
interface Serial1/2
description *** To Lees Summit ICS-LEE-RTR1 ***
no ip address
encapsulation ppp
no fair-queue
ppp multilink
!
interface Serial1/3
description *** To Lees Summit ICS-LEE-RTR1 ***
no ip address
encapsulation ppp
no fair-queue
ppp multilink
!
!
interface Virtual-Template1
ip unnumbered Loopback10
ppp multilink
!
thanks,
scott
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Hunt Lee
Sent: Sunday, March 09, 2003 7:19 AM
To: ccielab@groupstudy.com
Subject: Multilink interface mystery
Hi Group,
I saw the following config from a VoIP config...
RTA --- RTB
PPP
64kbps
Does anyone know what does a Multilink interface do? I have used ppp
multilink &
dialer-load threshold under BRI interface to combined 2 x 64k to a
faster ISDN link
before, but I have no idea what this Multilink interface do...
interface Multilink1
ip unnumbered Ethernet1/0
no ip directed-broadcast
ip tcp header-compression iphc-format
no ip mroute-cache
fair-queue 64 16 0
no cdp enable
ppp multilink
ppp multilink fragment-delay 10 <---- Also, what does this do?
ppp multilink interleave <---- & this?
multilink-group 1
ip rtp header-compression iphc-format
ip rtp priority 16384 16383 48
!
interface Ethernet1/0
ip address 172.16.110.1 255.255.255.0
no ip directed-broadcast
!
interface Serial1/0
bandwidth 64
no ip address
no ip directed-broadcast
encapsulation ppp
no ip mroute-cache
no fair-queue
clockrate 64000
ppp multilink
multilink-group 1
Any help / ideas would be greatly appreciated.
Regards,
Hunt
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