From: Javier Tomé (fjtm@tid.es)
Date: Fri Oct 07 2005 - 15:28:16 GMT-3
Hi all,
R1 -- ISDN(BRI0/0) -- R2
I am trying to configure ppp multilink on legacy ISDN bringing up both
B-channels from the beginning. This are my configs...
On R1...
interface BRI0/0
ip address 142.1.45.4 255.255.255.0
encapsulation ppp
dialer order round-robin
dialer map ip 142.1.45.5 name R2 broadcast 5552026
dialer map ip 142.1.45.5 name R2 broadcast 5552027
dialer-group 1
isdn switch-type basic-dms100
isdn spid1 21255520240101 5552024
isdn spid2 21255520250101 5552025
ppp authentication chap
ppp multilink
ppp multilink links minimum 2
end
On R2...
interface BRI0/0
ip address 142.1.45.5 255.255.255.0
encapsulation ppp
dialer idle-timeout 0
dialer map ip 142.1.45.4 name R1 broadcast 5552024
dialer map ip 142.1.45.4 name R1 broadcast 5552025
isdn switch-type basic-dms100
isdn spid1 21255520260101 5552026
isdn spid2 21255520270101 5552027
ppp authentication chap
ppp multilink
end
For some reason (may the ISDN simulator or the switch-type or something
else...) the only way I get this work is by defining both isdn spids and
configuring both isdn map statements. I also need to include the "dialer
order round-robin" to aboid R1 keep trying to call using always the
first dialer map command.
My question is the following:
Why are both dialer map statements required to make this work?. And what
about both ISDN spids? My ISDN simulator is configured to require spids,
but does this make both spids to be required?...
Thank you in advance
Javi
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