If each router has a built-in CSU/DSU then you don't need to configure a
clock rate on the serial interface. The CSU/DSU will have a RJ-45 interface.
To connect back-to-back on T-1 cross pins 1&2 with 4&5. On the T-1
Controller interface configure one for internal clocking. The other for
line. This works for two routers.
I'm not sure from your question what the final topology should be. If it is
to be a hub and spoke with 10 routers then you need additional interfaces.
If there are nine leased lines then the hub router needs nine WAN
interfaces. If this is to be a Frame Relay network then you need something
to emulate a Frame Switch.
Do some searches on CCO. You will find exact examples of what you need.
> -----Original Message-----
> From: Ravi Varma [mailto:[EMAIL PROTECTED]]
> Sent: Monday, June 11, 2001 4:31 PM
> To: [EMAIL PROTECTED]
> Subject: URGENT !!!!!!!!!!!!!!!!!!!!! [7:8061]
>
>
> Hi Guys
>
> We have 10 3640 Routers at our place
> the probelm i am facing is that i have to connec all these
> ten routers back
> to
> back each router have 2 FE and one T1 (dsu/csu)
>
> When i tried to connect then back to back through the serial line
> using show int
>
> Serial 0/0 down and line protocol DOWn
>
> i had assigned Ip address
> assigned the clock rate 64000
> no shut
> and default encapsultaion (hdlc)
>
> and other i had gone through the same procedure but not
> assigned the clock
> rate
>
> can u please help me on that it i have to get it up by evening
>
> Thanking you guys in advance
>
> Regards,
>
> Ravi Varma
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