From: Tandou Mohamed (dtandou@yahoo.com)
Date: Sun Apr 29 2007 - 13:10:10 ART
Thanks Tony and Sasa,
i tried both scenario it works.
Mohamed
Tony Schaffran <groupstudy@cconlinelabs.com> wrote:
You can also change the lmi type to simulate a down circuit and bring up the
backup interface.
Tony Schaffran
Network Analyst
CCIE #11071
CCNP, CCNA, CCDA,
NNCDS, NNCSS, CNE, MCSE
www.cconlinelabs.com
Your #1 choice for online Cisco rack rentals.
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of Sasa
Milic
Sent: Sunday, April 29, 2007 7:31 AM
To: Tandou Mohamed; ccielab@groupstudy.com
Subject: Re: Back up interface
It doesn't work when interface is in admin down state. You have to either
shutdown other side or disconnect cable.
Regards,
Sasa
----- Original Message -----
From: "Tandou Mohamed"
To:
Sent: Sunday, April 29, 2007 4:07 PM
Subject: Back up interface
> Hello GS,
> i am testing a back up interface with frame relay scenario looks like it
> is not working. Below is my configuration. when i shutdown the main
> interface i don't see the back up interface up i see it in the down state
> when i do sh run. Before shutting down the main interface when i do sh ip
> int brief it is in standby mode when the main interface is shut down it is
> showing standby mode/disabled. Please advise.
>
> Thanks,
>
> Mohamed
>
> R4
> interface Serial0/0
> backup delay 5 5
> backup interface Serial0/1
> ip address 192.168.54.4 255.255.255.0
> encapsulation frame-relay
> shutdown
> frame-relay map ip 192.168.54.5 562 broadcast
> no frame-relay inverse-arp
> !
> interface Serial0/1
> ip address 192.168.45.4 255.255.255.0
> encapsulation ppp
> shutdown ----------------->after main interface is down
>
>
>
> ==========================================================
> R5
> interface Serial0/0
> no ip address
> encapsulation frame-relay
> no ip mroute-cache
> tx-ring-limit 2
> tx-queue-limit 2
> !
> interface Serial0/0.54 point-to-point
> ip address 192.168.54.5 255.255.255.0
> frame-relay interface-dlci 652
> !
> interface Serial0/0.125 multipoint
> ip address 192.168.125.5 255.255.255.0
> frame-relay interface-dlci 612
> frame-relay interface-dlci 622
> !
> interface Serial0/1
> ip address 192.168.45.5 255.255.255.0
> encapsulation ppp
>
> ====================================================
>
> Before main interface is shutdonw
>
> R4#sh ip int b
> Interface IP-Address OK? Method Status
> Protocol
> FastEthernet0/0 10.1.6.4 YES manual up
> up
> Serial0/0 192.168.54.4 YES manual up
> up
> Serial0/0.124 unassigned YES manual deleted
> down
> Serial0/0.234 unassigned YES manual deleted
> down
> Serial0/1 192.168.45.4 YES manual standby mode
> down
> Ethernet1/0 10.1.8.4 YES manual up
> up
> Loopback0 155.1.4.4 YES NVRAM up
> up
>
> =======================================================
>
> After interface is shutdown
>
> R4#sh ip int b
> Interface IP-Address OK? Method Status
> Protocol
> FastEthernet0/0 10.1.6.4 YES manual up
> up
> Serial0/0 192.168.54.4 YES manual administratively
> down down
> Serial0/0.124 unassigned YES manual deleted
> down
> Serial0/0.234 unassigned YES manual deleted
> down
> Serial0/1 192.168.45.4 YES manual standby
> mode/disabled down
> Ethernet1/0 10.1.8.4 YES manual up
> up
> Loopback0 155.1.4.4 YES NVRAM up
> up
>
> Mohamed
>
>
>
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