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Bonding ISDN

Unanswered Question
Oct 29th, 2001
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Can you bond/aggregate ISDN lines. For example take 3 ISDN lines and get a complete 384K pipe. Can this be done with a Cisco 2600/3600 with a NM-4B-U or a NM-8B-U ?


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csyeo Tue, 10/30/2001 - 00:01
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Hi,


You can combine multiple ISDN b-channel by using dialer profile together with ppp multilink.


cheers!

pbrady Sun, 12/02/2001 - 22:42
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!

interface BRI0/0

description ISDN LINE

no ip address

no ip directed-broadcast

encapsulation ppp

dialer rotary-group 1

isdn switch-type basic-ni

isdn spid1 (SPIDS)

isdn spid2 (SPIDS)

no cdp enable

!

interface BRI0/1

description ISDN LINE

no ip address

no ip directed-broadcast

encapsulation ppp

dialer rotary-group 1

isdn switch-type basic-ni

isdn spid1 (SPIDS)

isdn spid2 (SPIDS)

no cdp enable

!

interface Dialer1

ip unnumbered Ethernet0/0

no ip directed-broadcast

encapsulation ppp

no ip split-horizon

dialer in-band

dialer idle-timeout 2147483

dialer string Phone number to Main Router

dialer string

dialer string

dialer string

dialer load-threshold 1 either

dialer-group 1

no cdp enable

ppp authentication chap

ppp chap hostname (USERNAME if AUTH)

ppp chap password (CHAP PASSWORD)

ppp multilink

kahari Wed, 12/05/2001 - 15:40
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what about if you want to bond two PRI (T1) lines together? Looking to do this on a 3660 with 2 PRI cards w/CSU/DSU to a 7500 with a multiport PRI w/CSU/DSU.

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