You have routes for the BGP advertised routes but the ping is failing to
them?

Have you disabled nat-control?

With regards
Kings

On Wed, Dec 29, 2010 at 4:54 PM, kamran shakil <[email protected]>wrote:

> Dears,
> I am seriously confused here .... i made a very simple setup to test BGP
> between 2 routers , putting 1 ASA in the middle and was doing the lab, that
> finally i noticed something strang ???  my ROUTES are all OK , i can learn
> routes on the remote routers thru ASA, and i did the TCP-OPTIONS and also
> RANDOM SEQ. disable, and since nat-control was enabled, I also did the
> static IDENTITY NAT .... but PING is not working............................
> !!! I am pasting the configs..
>
>  " EXPERTS....guide me ..plz "
>
>
> * R1 -- > ASA ---- R2
> *
>
>
> R1 :
> ===
> interface Loopback1
>  ip address 11.11.11.11 255.255.255.255
> !
> interface Loopback100
>  ip address 100.100.100.100 255.255.255.0
> !
> interface FastEthernet0/1
>  ip address 2.2.2.1 255.255.255.0
>  duplex auto
>  speed auto
> !
> router rip
>  version 2
>  network 2.0.0.0
>  network 11.0.0.0
>  no auto-summary
> !
> router bgp 2
>  no synchronization
>  bgp log-neighbor-changes
>  network 100.100.100.0 mask 255.255.255.0
>  neighbor 20.20.20.20 remote-as 1
>  neighbor 20.20.20.20 password x
>  neighbor 20.20.20.20 ebgp-multihop 10
>  neighbor 20.20.20.20 update-source Loopback1
>  no auto-summary
>
>
> ASA :
> ======
> interface Ethernet0/0
>  description Connected to R2
>  nameif outside
>  security-level 0
>  ip address 1.1.1.2 255.255.255.0
> !
> interface Ethernet0/1
>  description Connected to R1
>  nameif inside
>  security-level 100
>  ip address 2.2.2.2 255.255.255.0
>
>
> access-list outside-in extended permit icmp any any
> access-list outside-in extended permit tcp any any eq bgp
> !
> tcp-map OPTION19
>   tcp-options range 19 19 allow
>
> pager lines 24
> logging console debugging
> logging buffered debugging
> mtu outside 1500
> mtu inside 1500
> no failover
> icmp unreachable rate-limit 1 burst-size 1
> icmp permit any outside
> icmp permit any inside
> no asdm history enable
> arp timeout 14400
> nat-control
> global (outside) 1 interface
> nat (inside) 1 0.0.0.0 0.0.0.0
> static (inside,outside) 11.11.11.11 11.11.11.11 netmask 255.255.255.255
> access-group outside-in in interface outside
> !
> router ospf 1
>  network 1.1.1.0 255.255.255.0 area 0
>  log-adj-changes
>  redistribute rip metric 1 subnets
> !
> router rip
>  network 2.0.0.0
>  redistribute ospf 1 metric 1
>  version 2
>  no auto-summary
> !
> class-map BGP_CMAP
>  match port tcp eq bgp
> class-map inspection_default
>  match default-inspection-traffic
> !
> !
> policy-map global_policy
>  class BGP_CMAP
>   set connection random-sequence-number disable
>   set connection advanced-options OPTION19
>  class inspection_default
> !
> service-policy global_policy global
> prompt hostname priority context
> Cryptochecksum:65755c185976d9164a0b06eee25f2f42
>
>
> R2 :
> ======
>
> interface Loopback2
>  ip address 20.20.20.20 255.255.255.255
> !
> interface Loopback200
>  ip address 200.200.200.200 255.255.255.0
> !
> interface FastEthernet0/0
>  ip address 1.1.1.1 255.255.255.0
>  duplex auto
>  speed auto
> !
> router ospf 1
>  log-adjacency-changes
>  network 1.1.1.0 0.0.0.255 area 0
>  network 20.20.20.20 0.0.0.0 area 1
> !
> router bgp 1
>  no synchronization
>  bgp log-neighbor-changes
>  network 200.200.200.0
>  neighbor 11.11.11.11 remote-as 2
>  neighbor 11.11.11.11 password x
>  neighbor 11.11.11.11 ebgp-multihop 10
>  neighbor 11.11.11.11 update-source Loopback2
>  no auto-summary
>
>
> ---------------------------------------------------------------------------------------------------------------------------------------
> Guide me to understand this PING issue for BGP network !!!!
>
>
>
>
>
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>
>
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