All the routing protocol use broadcast or unicast to exchange information. If
you don't put the keyword broadcast you will let pass through the isdn line
only unicast packet. No the broadcast and Multicast packet.
Hope this help!
Nigel Taylor wrote:
> Hi All,
> When using the command=20
>
> "dialer map <protocol> <next-hop-addr> <name=3Dhostname> <BROADCAST> =
> <dial-string>
>
> I've made some weird observations. I checked CCO and it states that the =
> <broadcast> option is optional(for=20
> enabling IPX/RIP, IPX/SAP updates across the link) but when configuring =
> 2 directly connected routers in=20
> an attempt to use dynamic routing(rip/igrp/eigrp) no routes were being =
> learned by either device.=20
> I enabled the broadcast option on one side of the ISDN connection and =
> the routes were propagated. =20
> However, the other side did not pass its routing information. There's =
> couple of sample TAC=20
> configurations that make no use if the broadcast option and routing =
> works. =20
>
> What I'm I missing...or is this a noted "feature" within the IOS...?
>
> Nigel.
> =20
>
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