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PIX/ASA VPN spoke-to-spoke NEED HELP ASAP!!

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mingtmak

Technical User
Apr 5, 2006
101
CA
Scenario: I have 2 PIXes (PIX1 and PIX2) at remote sites each connected with a site-to-site VPN to the central ASA (ASA1). I can ping to and from the ASA1 from either site but I can't ping from one remote site to the other remote site (PIX1 to PIX2).
PIX1 Internet traffic goes through ASA1 thru the VPN to PIX1.
Internet traffic for PIX2 is through it's gateway.

I'm using the "Enhanced Spoke-to-Spoke config" example to assist me but I still can't get it to work:


In reference to the above document:
I’m using site-to-site VPNs between the Hub (ASA1) and spokes (PIX1 and PIX2).

ASA1 = PIX1 in the config example (internal network of 172.17.16.0)
PIX2 = PIX2 in the config example (internal network of 10.100.101.0)
PIX3 = PIX3 in the config example (internal network of 10.100.102.0)

ASA1:
-------------------------------
ASA Version 7.0(4)
!
hostname ASA1
domain-name something.com
enable password AuktubEUZPg0RqiA encrypted
names
!
interface Ethernet0/0
nameif Outside
security-level 0
ip address 64.56.XXX.AA 255.255.255.0
!
interface Ethernet0/1
nameif Inside
security-level 90
ip address 172.17.16.2 255.255.255.0
!
interface Ethernet0/2
shutdown
no nameif
no security-level
no ip address
!
interface Management0/0
nameif management
security-level 100
ip address 192.168.1.1 255.255.255.0
management-only
!
passwd AuktubEUZPg0RqiA encrypted
ftp mode passive
same-security-traffic permit intra-interface
access-list Inside_nat0_outbound extended permit ip 172.17.16.0 255.255.255.0 10.100.101.0 255.255.255.0
access-list Inside_nat0_outbound extended permit ip 172.17.16.0 255.255.255.0 10.100.103.0 255.255.255.0
access-list Inside_nat0_outbound extended permit ip 172.17.16.0 255.255.255.0 10.100.102.0 255.255.255.0
access-list Outside_cryptomap_20_1 extended permit ip 172.17.16.0 255.255.255.0 10.100.102.0

255.255.255.0
access-list Outside_cryptomap_40_1 extended permit ip any 10.100.101.0 255.255.255.0
access-list Outside_cryptomap_60_1 extended permit ip any 10.100.103.0 255.255.255.0
pager lines 24
logging enable
logging buffered informational
logging asdm informational
mtu Outside 1500
mtu Inside 1500
mtu management 1500
ERROR: Command requires failover license
ERROR: Command requires failover license
icmp permit any Outside
icmp permit any echo-reply Outside
icmp permit any Inside
asdm image disk0:/asdm-504.bin
no asdm history enable
arp timeout 14400
nat-control
global (Outside) 10 interface
nat (Outside) 10 10.100.101.0 255.255.255.0
nat (Outside) 10 10.100.103.0 255.255.255.0
nat (Inside) 0 access-list Inside_nat0_outbound
nat (Inside) 10 172.17.16.0 255.255.255.0
route Outside 0.0.0.0 0.0.0.0 64.56.128.BB 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
timeout mgcp-pat 0:05:00 sip 0:30:00 sip_media 0:02:00
timeout uauth 0:05:00 absolute
username XXX password 0WAOHb3RX3lpmtdS encrypted privilege 15
aaa authorization command LOCAL
http server enable
http 172.17.16.0 255.255.255.0 Inside
http 192.168.1.0 255.255.255.0 management
no snmp-server location
no snmp-server contact
snmp-server enable traps snmp authentication linkup linkdown coldstart
crypto ipsec transform-set ESP-3DES-SHA esp-3des esp-sha-hmac
crypto map Outside_map 20 match address Outside_cryptomap_20_1
crypto map Outside_map 20 set peer 64.56.XXX.XX
crypto map Outside_map 20 set transform-set ESP-3DES-SHA
crypto map Outside_map 40 match address Outside_cryptomap_40_1
crypto map Outside_map 40 set peer 64.56.XXX.YY
crypto map Outside_map 40 set transform-set ESP-3DES-SHA
crypto map Outside_map 60 match address Outside_cryptomap_60_1
crypto map Outside_map 60 set peer 64.56.XXX.ZZ
crypto map Outside_map 60 set transform-set ESP-3DES-SHA
crypto map Outside_map interface Outside
isakmp enable Outside
isakmp policy 10 authentication pre-share
isakmp policy 10 encryption 3des
isakmp policy 10 hash sha
isakmp policy 10 group 2
isakmp policy 10 lifetime 86400
tunnel-group 64.56.XXX.XX type ipsec-l2l
tunnel-group 64.56.XXX.XX ipsec-attributes
pre-shared-key *
tunnel-group 64.56.XXX.YY type ipsec-l2l
tunnel-group 64.56.XXX.YY ipsec-attributes
pre-shared-key *
tunnel-group 64.56.XXX.ZZ type ipsec-l2l
tunnel-group 64.56.XXX.ZZ ipsec-attributes
pre-shared-key *
telnet 172.17.16.0 255.255.255.0 Inside
telnet timeout 5
ssh timeout 5
console timeout 0
dhcpd address 172.17.16.51-172.17.16.254 Inside
dhcpd address 192.168.1.2-192.168.1.254 management
dhcpd dns 199.185.200.36
dhcpd lease 3600
dhcpd ping_timeout 50
dhcpd auto_config Inside
dhcpd enable Inside
dhcpd enable management
!
class-map inspection_default
match default-inspection-traffic
!
!
policy-map global_policy
class inspection_default
inspect dns maximum-length 512
inspect ftp
inspect h323 h225
inspect h323 ras
inspect rsh
inspect rtsp
inspect esmtp
inspect sqlnet
inspect skinny
inspect sunrpc
inspect xdmcp
inspect sip
inspect netbios
inspect tftp
!
service-policy global_policy global
Cryptochecksum:f6af796bcb0ebfe00b3bc4623ef86330
: end

PIX2
----------------------------------------------
PIX Version 6.3(5)
interface ethernet0 auto
interface ethernet1 100full
nameif ethernet0 outside security0
nameif ethernet1 inside security100
enable password AuktubEUZPg0RqiA encrypted
passwd AuktubEUZPg0RqiA encrypted
hostname PIX2
domain-name something.com
fixup protocol dns maximum-length 512
fixup protocol ftp 21
fixup protocol h323 h225 1720
fixup protocol h323 ras 1718-1719
fixup protocol http 80
fixup protocol rsh 514
fixup protocol rtsp 554
fixup protocol sip 5060
fixup protocol sip udp 5060
fixup protocol skinny 2000
fixup protocol smtp 25
fixup protocol sqlnet 1521
fixup protocol tftp 69
names
name 172.17.16.0 Volvo
access-list inside_outbound_nat0_acl permit ip 10.100.101.0 255.255.255.0 any
access-list outside_cryptomap_20 permit ip 10.100.101.0 255.255.255.0 any
pager lines 24
logging on
icmp permit any outside
icmp permit any echo-reply outside
icmp permit any inside
mtu outside 1500
mtu inside 1500
ip address outside 64.56.XXX.YY 255.255.255.0
ip address inside 10.100.101.1 255.255.255.0
ip audit info action alarm
ip audit attack action alarm
pdm location 10.100.101.0 255.255.255.0 inside
pdm location 10.100.102.0 255.255.255.0 inside
pdm location 192.168.1.0 255.255.255.0 inside
pdm location Volvo 255.255.255.0 outside
pdm location 192.168.XXX.XXX 255.255.255.0 inside
pdm location 10.100.104.0 255.255.255.0 outside
pdm location 198.166.XXX.XXX 255.255.255.255 outside
pdm logging informational 100
pdm history enable
arp timeout 14400
global (outside) 1 interface
nat (inside) 0 access-list inside_outbound_nat0_acl
route outside 0.0.0.0 0.0.0.0 64.56.128.BB 1
timeout xlate 0:05:00
timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 rpc 0:10:00 h225 1:00:00
timeout h323 0:05:00 mgcp 0:05:00 sip 0:30:00 sip_media 0:02:00
timeout sip-disconnect 0:02:00 sip-invite 0:03:00
timeout uauth 0:05:00 absolute
aaa-server TACACS+ protocol tacacs+
aaa-server TACACS+ max-failed-attempts 3
aaa-server TACACS+ deadtime 10
aaa-server RADIUS protocol radius
aaa-server RADIUS max-failed-attempts 3
aaa-server RADIUS deadtime 10
aaa-server LOCAL protocol local
http server enable
http 10.100.102.0 255.255.255.0 inside
http 10.100.101.0 255.255.255.0 inside
http 192.168.1.0 255.255.255.0 inside
http 192.168.101.0 255.255.255.0 inside
no snmp-server location
no snmp-server contact
snmp-server community public
no snmp-server enable traps
floodguard enable
sysopt connection permit-ipsec
crypto ipsec transform-set ESP-3DES-SHA esp-3des esp-sha-hmac
crypto map outside_map 20 ipsec-isakmp
crypto map outside_map 20 match address outside_cryptomap_20
crypto map outside_map 20 set peer 64.56.XXX.AA
crypto map outside_map 20 set transform-set ESP-3DES-SHA
crypto map outside_map interface outside
isakmp enable outside
isakmp key ******** address 64.56.XXX.AA netmask 255.255.255.255 no-xauth no-config-mode
isakmp policy 20 authentication pre-share
isakmp policy 20 encryption 3des
isakmp policy 20 hash sha
isakmp policy 20 group 2
isakmp policy 20 lifetime 86400
telnet 192.168.1.0 255.255.255.0 inside
telnet timeout 5
ssh timeout 5
console timeout 0
dhcpd address 10.100.101.51-10.100.101.175 inside
dhcpd lease 3600
dhcpd ping_timeout 750
dhcpd auto_config outside
dhcpd enable inside
terminal width 80
Cryptochecksum:0697a863dcb9faaa9154f7df41191139
: end
[OK]



PIX3
----------------------------------------------
Building configuration...
: Saved
:
PIX Version 6.3(5)
interface ethernet0 auto
interface ethernet1 100full
nameif ethernet0 outside security0
nameif ethernet1 inside security100
enable password AuktubEUZPg0RqiA encrypted
passwd AuktubEUZPg0RqiA encrypted
hostname PIX3
domain-name something.com
fixup protocol dns maximum-length 512
fixup protocol ftp 21
fixup protocol h323 h225 1720
fixup protocol h323 ras 1718-1719
fixup protocol http 80
fixup protocol rsh 514
fixup protocol rtsp 554
fixup protocol sip 5060
fixup protocol sip udp 5060
fixup protocol skinny 2000
fixup protocol smtp 25
fixup protocol sqlnet 1521
fixup protocol tftp 69
names
name 172.17.16.0 Volvo
access-list inside_outbound_nat0_acl permit ip 10.100.102.0 255.255.255.0 Volvo 255.255.255.0
access-list outside_cryptomap_20 permit ip 10.100.102.0 255.255.255.0 Volvo 255.255.255.0
pager lines 24
logging on
icmp permit any outside
icmp permit any echo-reply outside
icmp permit any inside
mtu outside 1500
mtu inside 1500
ip address outside 64.56.XXX.XX 255.255.255.0
ip address inside 10.100.102.1 255.255.255.0
ip audit info action alarm
ip audit attack action alarm
pdm location 10.100.102.0 255.255.255.0 inside
pdm location 10.100.101.0 255.255.255.0 inside
pdm location 10.100.102.0 255.255.255.255 inside
pdm location 192.168.1.0 255.255.255.0 inside
pdm location Volvo 255.255.255.0 outside
pdm logging informational 100
pdm history enable
arp timeout 14400
global (outside) 1 interface
nat (inside) 0 access-list inside_outbound_nat0_acl
nat (inside) 1 0.0.0.0 0.0.0.0 0 0
route outside 0.0.0.0 0.0.0.0 64.56.XXX.BB 1
timeout xlate 0:05:00
timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 rpc 0:10:00 h225 1:00:00
timeout h323 0:05:00 mgcp 0:05:00 sip 0:30:00 sip_media 0:02:00
timeout sip-disconnect 0:02:00 sip-invite 0:03:00
timeout uauth 0:05:00 absolute
aaa-server TACACS+ protocol tacacs+
aaa-server TACACS+ max-failed-attempts 3
aaa-server TACACS+ deadtime 10
aaa-server RADIUS protocol radius
aaa-server RADIUS max-failed-attempts 3
aaa-server RADIUS deadtime 10
aaa-server LOCAL protocol local
http server enable
http 10.100.101.0 255.255.255.0 inside
http 10.100.102.0 255.255.255.0 inside
http 192.168.1.0 255.255.255.0 inside
no snmp-server location
no snmp-server contact
snmp-server community public
no snmp-server enable traps
floodguard enable
sysopt connection permit-ipsec
crypto ipsec transform-set ESP-3DES-SHA esp-3des esp-sha-hmac
crypto map outside_map 20 ipsec-isakmp
crypto map outside_map 20 match address outside_cryptomap_20
crypto map outside_map 20 set peer 64.56.XXX.AA
crypto map outside_map 20 set transform-set ESP-3DES-SHA
crypto map outside_map interface outside
isakmp enable outside
isakmp key ******** address 64.56.XXX.AA netmask 255.255.255.255 no-xauth no-config-mode
isakmp policy 20 authentication pre-share
isakmp policy 20 encryption 3des
isakmp policy 20 hash sha
isakmp policy 20 group 2
isakmp policy 20 lifetime 86400
telnet 10.100.102.0 255.255.255.0 inside
telnet timeout 5
ssh timeout 5
console timeout 0
dhcpd address 10.100.102.51-10.100.102.178 inside
dhcpd lease 3600
dhcpd ping_timeout 750
dhcpd auto_config outside
dhcpd enable inside
terminal width 80
Cryptochecksum:816ba758685e8d4bca4ec84a29843198
: end
[OK]

Are my access-lists an issue? should I have more routes (in the example config, only the single default route exists)?

Thanks so much for any assistance you can give!
 
The example configuration uses dynamic L2L for one of the VPN links and I wasn't able to configure the ASA in a similar fashion, at least with the config they had.

The example should have worked from my perspective, but I guess it was too restrictive, so you'll see that...

access-list Outside_cryptomap_40_1 extended permit ip any 10.100.101.0 255.255.255.0
access-list Outside_cryptomap_60_1 extended permit ip any 10.100.103.0 255.255.255.0

says all traffic should go through the tunnel to the ASA.

the spoke_to_spoke looks lopsided to me so there me an extra acl that's not needed. But again, I left it because the Cisco Tech did.

The ACLs you quoted, you were incorrect, in that...
"access-list 100 extended permit ip 10.10.10.0 255.255.255.0 10.30.30.0 255.255.255.0" (pix1 & pix2) <--(is actually PIX1 & PIX3)
"access-list 100 extended permit ip 10.20.20.0 255.255.255.0 10.30.30.0 255.255.255.0" (pix2 & pix3) (this was correct)
 
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