VPN Site to site ASA 5505 probleme

VPN Site to site ASA 5505 probleme - Réseaux - Réseaux grand public / SoHo

Marsh Posté le 02-10-2008 à 17:33:43    

Salut,  
je cherche à créer un VPN site à site avec deux boitiers Cisco ASA 5505. J'ai essayé de préconfigurer en maquette les deux boitiers pour tester le tunnel VPN, mais c'est impossbile de le faire marcher.  
 
J'ai crééle tunnel sur chaque boitier à l'aide du VPN Ipsec Wizard. Les options sont identiques sur les deux boitiers, j'ai aussi entrer les adresses ip des réseaux distants etc.  
Je n'ai crée aucune regle de NAT ni de rèles d'accès, tout est en config par défaut.  
 
Je relie donc les deux boitiers par un cable sur leur interface outside (172.16.1.2 et 172.16.1.1). Malheureusement, imposible de monter ce tunnel, je me demande même si il essaye de monter vu que je n'ai aucune stats sur le vpn, ni aucune trace.  
Est-ce que j'oublie quelque chose? Une route? une règle ?.  
 
 
net 192.168.101.0/24 |||| ------>.1---|ASA|----172.16.1.2---------------172.16.1.1----|ASA|---.246<-----------||||net 192.168.1.0/24
 
Merci


Message édité par anthoo le 03-10-2008 à 10:07:41
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Marsh Posté le 02-10-2008 à 17:33:43   

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Marsh Posté le 03-10-2008 à 10:06:39    

J'ai fait un "show crypto isakmp sa". Il me met : "There are no isakmp sas"
 
Voila mon premier fichier de conf:
 
ASA Version 7.2(4)  
!
hostname ciscoasa
domain-name default.domain.invalid
enable password * encrypted
passwd *encrypted
names
!
interface Vlan1
nameif inside
security-level 100
ip address 192.168.101.1 255.255.255.0  
!
interface Vlan2
nameif outside
security-level 0
ip address 172.16.1.2 255.255.255.0  
!
interface Ethernet0/0
switchport access vlan 2
!
interface Ethernet0/1
!
interface Ethernet0/2
!
interface Ethernet0/3
!
interface Ethernet0/4
!
interface Ethernet0/5
!
interface Ethernet0/6
!
interface Ethernet0/7
!
ftp mode passive
dns server-group DefaultDNS
domain-name default.domain.invalid
access-list inside_nat0_outbound extended permit ip 192.168.101.0 255.255.255.0 192.168.1.0 255.255.255.0  
access-list outside_1_cryptomap extended permit ip 192.168.101.0 255.255.255.0 192.168.1.0 255.255.255.0  
pager lines 24
logging asdm informational
mtu inside 1500
mtu outside 1500
icmp unreachable rate-limit 1 burst-size 1
asdm image disk0:/asdm-524.bin
no asdm history enable
arp timeout 14400
global (outside) 1 interface
nat (inside) 0 access-list inside_nat0_outbound
nat (inside) 1 0.0.0.0 0.0.0.0
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
aaa authentication ssh console LOCAL  
http server enable
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 enable traps snmp authentication linkup linkdown coldstart
crypto ipsec transform-set ESP-3DES-SHA esp-3des esp-sha-hmac  
crypto map outside_map 1 match address outside_1_cryptomap
crypto map outside_map 1 set pfs group1
crypto map outside_map 1 set peer 172.16.1.1  
crypto map outside_map 1 set transform-set ESP-3DES-SHA
crypto map outside_map 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 192.168.101.0 255.255.255.0 inside
ssh timeout 5
ssh version 2
console timeout 0
management-access inside
 
username * encrypted
tunnel-group 172.16.1.1 type ipsec-l2l
tunnel-group 172.16.1.1 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 rsh  
inspect rtsp  
inspect esmtp  
inspect sqlnet  
inspect skinny  
inspect sunrpc  
inspect xdmcp  
inspect sip  
inspect netbios  
inspect tftp  
!
service-policy global_policy global
prompt hostname context  
: end

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Marsh Posté le 03-10-2008 à 10:06:55    

Sur le deuxième asa 5505:
 
ASA Version 7.2(4)  
!
hostname asa1
domain-name default.domain.invalid
enable password * encrypted
passwd * encrypted
names
!
interface Vlan1
nameif inside
security-level 100
ip address 192.168.1.246 255.255.255.0  
!
interface Vlan2
nameif outside
security-level 0
ip address 172.16.1.1 255.255.255.0  
!
interface Ethernet0/0
switchport access vlan 2
!
interface Ethernet0/1
!
interface Ethernet0/2
!
interface Ethernet0/3
!
interface Ethernet0/4
!
interface Ethernet0/5
!
interface Ethernet0/6
!
interface Ethernet0/7
!
ftp mode passive
dns server-group DefaultDNS
domain-name default.domain.invalid
access-list inside_nat0_outbound extended permit ip 192.168.1.0 255.255.255.0 192.168.101.0 255.255.255.0  
access-list outside_1_cryptomap extended permit ip 192.168.1.0 255.255.255.0 192.168.101.0 255.255.255.0  
pager lines 24
logging asdm informational
mtu inside 1500
mtu outside 1500
icmp unreachable rate-limit 1 burst-size 1
asdm image disk0:/asdm-524.bin
no asdm history enable
arp timeout 14400
global (outside) 1 interface
nat (inside) 0 access-list inside_nat0_outbound
nat (inside) 1 0.0.0.0 0.0.0.0
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
aaa authentication ssh console LOCAL  
http server enable
http 192.168.1.0 255.255.255.0 inside
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 1 match address outside_1_cryptomap
crypto map outside_map 1 set pfs group1
crypto map outside_map 1 set peer 172.16.1.2  
crypto map outside_map 1 set transform-set ESP-3DES-SHA
crypto map outside_map 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 192.168.1.0 255.255.255.0 inside
ssh timeout 50
ssh version 2
console timeout 0
management-access inside
 
username * encrypted
tunnel-group 172.16.1.2 type ipsec-l2l
tunnel-group 172.16.1.2 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 rsh  
inspect rtsp  
inspect esmtp  
inspect sqlnet  
inspect skinny  
inspect sunrpc  
inspect xdmcp  
inspect sip  
inspect netbios  
inspect tftp  
!
service-policy global_policy global
prompt hostname context  
: end

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