This is the "branch", which can't ping anything on 172.31.10.0/24

10Mbranch-pix# sh run
: Saved
:
PIX Version 8.0(4)
!
hostname 10Mbranch-pix
enable password 8Ry2YjIyt7RRXU24 encrypted
passwd 2KFQnbNIdI.2KYOU encrypted
names
!
interface Ethernet0
 nameif outside
 security-level 0
 ip address 10.119.0.50 255.255.255.252
 ospf network point-to-point non-broadcast
!
interface Ethernet1
 nameif inside
 security-level 100
 ip address 172.31.12.1 255.255.255.0
!
interface Ethernet2
 shutdown
 no nameif
 no security-level
 no ip address
!
interface Redundant1
 no nameif
 no security-level
 no ip address
!
ftp mode passive
dns domain-lookup outside
dns domain-lookup inside
dns server-group DefaultDNS
 name-server 172.25.254.253
access-list 100 extended permit ip 172.31.12.0 255.255.255.0 172.31.10.0 255.255.255.0
access-list 100 extended permit ip any 172.31.10.0 255.255.255.0
access-list 100 extended permit ospf interface outside host 192.168.48.245
access-list nonat extended permit ip 172.31.12.0 255.255.255.0 172.31.10.0 255.255.255.0
access-list in_outside extended permit icmp any any
pager lines 24
mtu outside 1500
mtu inside 1500
no failover
icmp unreachable rate-limit 1 burst-size 1
no asdm history enable
arp timeout 14400
global (outside) 1 192.168.134.206-192.168.134.207
nat (inside) 0 access-list nonat
nat (inside) 1 0.0.0.0 0.0.0.0
access-group in_outside in interface outside
!
router ospf 65002
 network 10.119.0.48 255.255.255.252 area 0
 network 172.31.12.0 255.255.255.0 area 0
 network 192.168.48.240 255.255.255.240 area 0
 neighbor 192.168.48.245 interface outside
 log-adj-changes
!
route outside 0.0.0.0 0.0.0.0 10.119.0.49 1
timeout xlate 3:00:00
timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 icmp 0:00:02
timeout sunrpc 0:10:00 h323 0:05:00 h225 1:00:00 mgcp 0:05:00 mgcp-pat 0:05:00
timeout sip 0:30:00 sip_media 0:02:00 sip-invite 0:03:00 sip-disconnect 0:02:00
timeout sip-provisional-media 0:02:00 uauth 0:05:00 absolute
dynamic-access-policy-record DfltAccessPolicy
no snmp-server location
no snmp-server contact
snmp-server enable traps snmp authentication linkup linkdown coldstart
crypto ipsec transform-set myset esp-3des esp-sha-hmac
crypto ipsec security-association lifetime seconds 28800
crypto ipsec security-association lifetime kilobytes 4608000
crypto map corp 20 match address 100
crypto map corp 20 set peer 192.168.48.245
crypto map corp 20 set transform-set myset
crypto map corp 20 set security-association lifetime seconds 28800
crypto map corp 20 set security-association lifetime kilobytes 4608000
crypto map corp interface outside
crypto isakmp enable outside
crypto isakmp policy 10
 authentication pre-share
 encryption 3des
 hash sha
 group 2
 lifetime 86400
telnet timeout 5
ssh timeout 5
console timeout 0
dhcpd address 172.31.12.100-172.31.12.200 inside
dhcpd dns 172.25.254.253 interface inside
dhcpd option 3 ip 172.31.12.1 interface inside
dhcpd enable inside
!
threat-detection basic-threat
threat-detection statistics access-list
no threat-detection statistics tcp-intercept
tunnel-group 192.168.48.245 type ipsec-l2l
tunnel-group 192.168.48.245 ipsec-attributes
 pre-shared-key *
!
class-map inspection_default
 match default-inspection-traffic
!
!
policy-map type inspect dns preset_dns_map
 parameters
  message-length maximum 512
policy-map global_policy
 class inspection_default
  inspect dns preset_dns_map
  inspect ftp
  inspect h323 h225
  inspect h323 ras
  inspect netbios
  inspect rsh
  inspect rtsp
  inspect skinny
  inspect esmtp
  inspect sqlnet
  inspect sunrpc
  inspect tftp
  inspect sip
  inspect xdmcp
!
service-policy global_policy global
prompt hostname context
Cryptochecksum:240bf8492c71cdd555d13469189fa450
: end
10Mbranch-pix#