Map the local DLCI to the local IP address.  Router doesn't know how to get
there.

""Karl Brusen""  wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> I was working with FR in my home lab, and I ran into an interesting
> problem.  This is the first time I've set up a router to function as a FR
> switch.  Here's the scenario.
>
> I am using a 2524 with two five-in-one serial modules as the FR switch to
> connect two routers with fixed serial ports, a 2503 and a 2509.  The PVC
is
> up and active.  I can ping from each router, through the FR switch to the
> router on the other side, but I cannot internally ping the FR interface of
> the router I am pinging from.  After checking around a bit, I learned that
> pinging a serial interface of the router originating the ping works
> differently than pinging an ethernet interface.  Apperently, serial
> interfaces cannot responded internally to an interally generated ping --
the
> ping actually goes out on the wire and comes back.  I don't completely
> understand this, but it is clear the the ping does travel through the
> external cable.
>
> So can anyone tell me why the internal ping to the FR interface doesn't
> work.  It isn't a big deal, but I would like to understand what is going
> on.  Is there a problem with the way I have configured the 2524 as a FR
> switch?
>
> Here are the configurations.
>
> START OF CONFIGURATION FOR CISCO 2524 ACTINT AS A FRAME RELAY SWITCH.
2524
> EQUIPPED WITH TWO FIVE-IN-ONE SERIAL MODULES.
>
> frameswitch#show run
> Building configuration...
>
> Current configuration:
> !
> version 12.0
> service timestamps debug uptime
> service timestamps log uptime
> no service password-encryption
> !
> hostname frameswitch
> !
> !
> ip subnet-zero
> frame-relay switching
> !
> !
> !
> interface Ethernet0
>  ip address 192.168.1.105 255.255.255.0
>  no ip directed-broadcast
> !
> interface Serial0
>  no ip address
>  no ip directed-broadcast
>  encapsulation frame-relay
>  no ip mroute-cache
>  clockrate 56000
>  frame-relay intf-type dce
>  frame-relay route 301 interface Serial1 901
> !
> interface Serial1
>  no ip address
>  no ip directed-broadcast
>  encapsulation frame-relay
>  clockrate 56000
>  frame-relay intf-type dce
>  frame-relay route 901 interface Serial0 301
> !
> ip classless
> !
> !
> line con 0
>  transport input none
> line aux 0
> line vty 0 4
>  login
> !
> end
>
> START OF CONFIGURATION OF CISCO 2503 CONNECTED TO CISCO 2509 VIA CISCO
2524
> ACTING AS A FRAME RELAY SWITCH
>
> 2503A#show run
> Building configuration...
>
> Current configuration:
> !
> version 11.0
> service password-encryption
> service udp-small-servers
> service tcp-small-servers
> !
> hostname 2503A
> !
> enable secret 5 $1$n6HI$CliSp0vBx8d8fUPVllPON.
> enable password 7 140713181F13253920
> !
> !
> interface Loopback0
>  ip address 172.16.18.1 255.255.255.0
> !
> interface Ethernet0
>  ip address 192.168.1.106 255.255.255.0
> !
> interface Serial0
>  ip address 172.16.17.1 255.255.255.0
>  encapsulation frame-relay
>  no fair-queue
>  frame-relay map ip 172.16.17.2 301 broadcast
> !
> interface Serial1
>  no ip address
>  shutdown
> !
> interface BRI0
>  no ip address
>  shutdown
> !
> !
> line con 0
>  password 7 15190A1E08
>  login
> line aux 0
>  password 7 15190A1E08
>  login
>  transport input all
> line vty 0 4
>  password 7 110218171B
>  login
> !
> end
>
> START OF CONFIGURATION OF CISCO 2509 CONNECTED TO CISCO 2503 VIA CISCO
2524
> ACTING AS A FRAME RELAY SWITCH
>
> 2609A#show run
> Building configuration...
>
> Current configuration : 701 bytes
> !
> version 12.2
> no service single-slot-reload-enable
> service timestamps debug uptime
> service timestamps log uptime
> no service password-encryption
> !
> hostname 2609A
> !
> logging rate-limit console 10 except errors
> !
> ip subnet-zero
> no ip finger
> !
> no ip dhcp-client network-discovery
> !
> !
> !
> !
> interface Ethernet0
>  ip address 192.168.1.107 255.255.255.0
> !
> interface Serial0
>  ip address 172.16.17.2 255.255.255.0
>  encapsulation frame-relay
>  no ip mroute-cache
>  frame-relay map ip 172.16.17.1 901 broadcast
> !
> router rip
>  network 172.16.0.0
>  network 192.168.1.0
> !
> ip kerberos source-interface any
> ip classless
> no ip http server
> !
> !
> !
> line con 0
>  transport input none
> line 1 8
> line aux 0
> line vty 0 4
>  login
> !
> end




Message Posted at:
http://www.groupstudy.com/form/read.php?f=7&i=36751&t=36743
--------------------------------------------------
FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html
Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]

Reply via email to