Iam trying to use the windows2000 option for Multilink with Bandwidth Allocation Protocol. The dialup connection for the windows client is configured to request or add asecond link if needed. My cisco 3640 access router Interface is configured as follows.
description Synchrone Lines (ISDN)
ip unnumbered Ethernet0/0
no ip route-cache
no logging event link-status
dialer idle-timeout 1800
dialer enable-timeout 2
dialer hold-queue 15
autodetect encapsulation ppp v120
no snmp trap link-status
isdn switch-type primary-net5
isdn incoming-voice modem
peer default ip address pool ras
no cdp enable
ppp callback accept
ppp authentication pap chap pppdef
ppp authorization pppdef
ppp multilink bap
ppp bap call accept
ppp bap timeout pending 20
ppp bap timeout response 2
we use Windows 2000 server to authenticate ras users through tacacs+.
The second link is never added, i tried copying big files.
Any idea why it not working,the only debugging output that i get is :
Feb 16 16:11:18 CET: giacdr MLP: Link protocol down, BAP not present on Vi1
Feb 16 16:11:18 CET: Vi1 MLP: Added first link Se1/0:18 to bundle .
The debug shows that the 1st b-channel Se1/0:7 doesn't remain connected till the idle-timeout of 1800 secs expires. Means the 1st link connects and disconnects before the 2nd call received at 3640 from Win2k. So there is no way that this 3640 will add all those two b-channels togather in multilink bundle.
Just make sure that on 3640 you have configured the interesting traffic correctly using following command under global config.
dialer-list 1 protocol ip permit
With that the 1st link should remain connected atleast 30 mins. Turn on all the debugs togather..and post it here. Also look into "load threshold" config on win2k, to initiate the calls on additional b channels,
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