From: Gustavo Figueira (gufigueira@ig.com.br)
Date: Sat Oct 19 2002 - 18:50:13 GMT-3
Peng,
You need to disconect the cable.
With shutdown in interface, not run
Gustavo Figueira
----- Original Message -----
From: "Peng Zheng" <zpnist@yahoo.com>
To: <ccielab@groupstudy.com>
Sent: Saturday, October 19, 2002 5:32 PM
Subject: Backup interface
> I connect two 2520 though Serial and ISDN,
>
> R1(s3)---------------(s1)R2
> |(bri0) |(bri0)
> |______________________|
>
> I use crossover cable to connect serial port. R1 is
> DCE, R2 is DTE.
>
> Configuration on R1:
>
> interface Serial3
> ip address 192.168.100.1 255.255.255.0
> no ip route-cache
> no ip mroute-cache
> clockrate 64000
> !
> interface BRI0
> ip address 192.168.200.1 255.255.255.0
> encapsulation ppp
> no ip route-cache
> no ip mroute-cache
> dialer idle-timeout 180
> dialer map ip 192.168.200.2 name R2 broadcast
> 4082222222
> dialer load-threshold 1 either
> dialer-group 1
> isdn switch-type basic-ni
> isdn spid1 40811111111 4081111111
> isdn spid2 40811111112 4081111111
> ppp authentication chap
> ppp multilink
>
> On R2:
>
> interface Serial1
>
> ip address 192.168.100.2 255.255.255.0
> no ip route-cache
> no ip mroute-cache
>
>
> !
> interface BRI0
> ip address 192.168.200.2 255.255.255.0
> encapsulation ppp
> no ip route-cache
> no ip mroute-cache
> dialer idle-timeout 180
> dialer map ip 192.168.200.1 name R1 broadcast
> 4081111111
> dialer load-threshold 1 either
> dialer-group 1
> isdn switch-type basic-ni
> isdn spid1 40822222221 4082222222
> isdn spid2 40822222222 4082222222
> ppp authentication chap
> ppp multilink
>
>
> I can ping each other through both link.
>
> Then I added backup interface bri 0 under s1 of R2.
> Then I got:
>
> R2# sh isdn stat
> Global ISDN Switchtype = basic-ni
> ISDN BRI0 interface
> dsl 0, interface ISDN Switchtype = basic-ni
> Layer 1 Status:
> DEACTIVATED
> Layer 2 Status:
> Layer 2 NOT Activated
> TEI Not Assigned, ces = 1, state = 1(terminal
> down)
> spid1 configured, spid1 NOT sent, spid1
> NOT valid
> TEI Not Assigned, ces = 2, state = 5(init)
> spid2 configured, spid2 NOT sent, spid2
> NOT valid
> Layer 3 Status:
> 0 Active Layer 3 Call(s)
> Active dsl 0 CCBs = 0
> The Free Channel Mask: 0x80000003
> Total Allocated ISDN CCBs = 0
>
> When I shutdown the s1 of R2, nothing happened.
>
> What's the problem?
>
> Thank you for help.
>
> Best Wishes,
> Peng Zheng
>
>
>
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This archive was generated by hypermail 2.1.4 : Tue Nov 05 2002 - 08:35:51 GMT-3