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4 T1 -Multilink

Experts ,

Our ISP has provided with a sample configuration to setup a point to point Multilink T1 connection btw two office's.

controller T1 0/0

framing esf

clock source line primary

linecode b8zs

channel-group 0 timeslots 1-24 speed 64

!

controller T1 0/1

framing esf

linecode b8zs

channel-group 0 timeslots 1-24 speed 64

!

!

!

interface Multilink1

ip address 160.81.xx.xx 255.255.255.252

no ip proxy-arp

load-interval 30

no peer neighbor-route

ppp chap hostname group1

ppp multilink

ppp multilink fragment disable

ppp multilink group 1

!

!

interface FastEthernet0/0

ip address 192.160.xx.xx 255.255.255.0

speed auto

full-duplex

no mop enabled

!

interface Serial0/0:0

bandwidth 1536

no ip address

no ip redirects

no ip unreachables

no ip proxy-arp

encapsulation ppp

load-interval 30

no peer neighbor-route

ppp chap hostname group1

ppp multilink

!

interface FastEthernet0/1

no ip address

shutdown

duplex auto

speed auto

!

interface Serial0/1:0

bandwidth 1536

no ip address

no ip redirects

no ip unreachables

no ip proxy-arp

encapsulation ppp

load-interval 30

no peer neighbor-route

ppp chap hostname group1

ppp multilink

!

interface Serial0/2:0

bandwidth 1536

no ip address

no ip redirects

no ip unreachables

no ip proxy-arp

encapsulation ppp

load-interval 30

no peer neighbor-route

ppp chap hostname group1

ppp multilink

I have pasted only relevant part of config , the question that i have is , i see that controller T1 0/0 , has "clock source Primary" , however i don't see the same command for other T1 controllers , is that ok or ISP missed to put that command for second Controller T 0/1

Any help will be appreciated

2 REPLIES

Re: 4 T1 -Multilink

I would think that it would be very strange for them to have different clocking on two lines they provide, so I would say yes, they forgot it on the second controller.

New Member

Re: 4 T1 -Multilink

Thanks clark ...

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