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BRI to PRI and PRI to BRI

I know that ISDN-BRI can dial-up (initiate a call/connection) to ISDN-PRI. My question is, thus ISDN-PRI can be configured to dial-up to ISDN-BRI?

1 ISDN-PRI 30 channel module dialing to 15 ISDN-BRI? Any sample or links to sample configuration?

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Re: BRI to PRI and PRI to BRI

Sure, why not.

The configuration depens a bit on what you want exactly and what is on the other side but here's an example:

username REMOTE1 password PASS1

interface Serial0/0:15

no ip address

encapsulation ppp

no logging event link-status

dialer pool-member 1

isdn switch-type primary-net5

no cdp enable

ppp authentication chap

ppp chap hostname CENTRAL

!

interface Dialer1

bandwidth 64

ip unnumbered FastEthernet0/0

encapsulation ppp

dialer pool 1

dialer remote-name REMOTE1

dialer string 5551234

dialer-group 1

no cdp enable

!etc. (one Dialer interface per destination)

dialer-list 1 protocol ip list 100

access-list 100 deny udp any any eq rip

access-list 100 permit ip any any

You can customize the Dialers in various ways, e.g.

ppp authentication chap callin

to prevent that the router dialing out requests authentication from the BRI router.

ppp chap hostname ALTERNATIVENAME

to change the name the routers presents itself as in ppp,

ppp authentication pap callin

ppp pap sent-username USER password PASS

to use pap authentication instead of CHAP,

etc.

If you need specific help, let us know.

BTW, there is no limit of 15 destinations, you can define more Dialer interfaces and the router will be able to support 30 simultaneous calls to different destinations.

hth

Herbert

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