From: Mannan Venkatesan (mv_lab@xxxxxxxxxxx)
Date: Sat Feb 09 2002 - 11:10:23 GMT-3
Try static NAT. If you use 'overload', NAT will change the TCP port.
Mannan
----- Original Message -----
From: "Yigit Zorlu" <alec_cisco@yahoo.com>
To: <ccielab@groupstudy.com>
Sent: Saturday, February 09, 2002 7:45 AM
Subject: Lab 18 NAT
> Hi group,
>
> I almost finished Lab 18 except this tiny problem. R1 has a serial
> connection over FR with R2 (200.200.200.2) . They can ping each other they
> can exchange IPX routes but they can not establish an OSPF neighborship
and
> BGP neighborship. I found the reason but could not get the logic behind
it.
> When I remove ip nat outside from interface s0/0.3 problem disappears all
> peer establishments become OK. But why ? I need this NAT thing on that
> subinterface . I think I am missing a point.
>
> Any ideas ?
>
>
> version 12.1
>
> !
> interface Loopback0
> ip address 15.15.1.1 255.255.255.0
> ip ospf network point-to-point
> ipx network 1000
> !
> interface Ethernet0/0
> no ip address
> !
> interface Serial0/0
> no ip address
> encapsulation frame-relay
> custom-queue-list 1
> no frame-relay inverse-arp
> !
> interface Serial0/0.1 multipoint
> !
> interface Serial0/0.2 point-to-point
> ip ospf network point-to-multipoint
> !
> interface Serial0/0.3 point-to-point
> ip address 200.200.200.1 255.255.255.0
> ip nat outside
> ip ospf network point-to-point
> ipx network 200
> frame-relay interface-dlci 102
> !
> interface Serial0/0.4 multipoint
> ip address 11.1.11.1 255.255.255.0
> ip nat inside
> ip ospf network point-to-multipoint
> ipx network 1401
> frame-relay map ipx 1401.0002.fd69.0281 109 broadcast
> frame-relay map ip 11.1.11.3 109 broadcast
> frame-relay map ip 11.1.11.14 109 broadcast
> frame-relay map ipx 1401.0002.fd68.ebc1 109 broadcast
> !
> interface Ethernet0/1
> ip address 10.1.1.1 255.255.255.0
> !
> router ospf 1
> log-adjacency-changes
> network 11.1.11.0 0.0.0.255 area 0
> network 15.15.1.0 0.0.0.255 area 0
> network 200.200.200.0 0.0.0.255 area 20
> !
> router bgp 100
> bgp log-neighbor-changes
> neighbor 11.1.12.194 remote-as 100
> neighbor 11.1.12.194 default-originate
> neighbor 200.200.200.2 remote-as 200
> no auto-summary
> !
> ip nat inside source list 1 interface Serial0/0.3 overload
> ip classless
> ip http server
>
>
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