Bonjour à tous,
Avant toute choses, bravo pour ce forum, j'y ai trouvé mine d'information sans jamais avoir le temps d'y participer. Aujourd'hui j'y participe... mais pour vous poser une question (NB : je suis un gros newbie en matière de Cisco commande iOS).
Contexte :
J'ai monté il y'a quelques temps une liaison VPN entre deux sites A et B, chaque site disposant d'un routeur modem Cisco SR520-ADSL-K9.
- le site A est le site principal, réseau 192.168.1.0 et adresse publique 80.11.82.100 (adresse bidon juste pour être clair)
- le site B est le site secondaire, réseau 192.168.2.0.
Le problème :
La laison fonctionnait parfaitement jusqu'à ce que des coupures de courant intempestives finissent par déconfigurer le routeur du site B. La config du site A n'a donc pas été modifiée. Pour remettre les choses dans l'ordre, j'ai réinitialisé mon routeur du site B et tenté de le reconfigurer (je n'avais pas gardé de backup de la conf... honte à moi 
).
Après avoir reconfiguré (cf fichier de conf plus bas) je me retrouve avec un site B qui a accès à internet (j'ai failli me casser le nez sur les histoires de routages) et les machines au sein du site B peuvent communiquer entre elles.
Par contre, impossible de communiquer avec mon réseau A. Je cherche en particulier à atteindre depuis la machine 192.168.2.9 (site B) des partages réseau et un serveur TSE situés sur 192.168.1.3 (Site A). J'ai configuré le routeur du site B en utilisant le logiciel CCA de Cisco, et pour moi, la conf semble OK mais j'ai des erreurs lorsque je me log avec un terminal série ; erreurs à répétition qui semblent indiquer que la liaison ne se fait pas du point de vue VPN.
Voici le message qui arrive en boucle :
*Aug 8 12:43:52.971: %CRYPTO-6-EZVPN_CONNECTION_DOWN: (Client) User= Group=EZVPN_GROUP_1 Server_public_addr=80.11.82.100
*Aug 8 12:44:04.924: %CRYPTO-6-IKMP_NOT_ENCRYPTED: IKE packet from 80.11.82.100 was not encrypted and it should've been.
J'ai lu une doc cisco (https://supportforums.cisco.com/docs/DOC-4059) qui disait qu'il fallait faire un miroir avec les ACL mais là je n'ai plus rien compris ...
A l'aide ! 
Du coup je me tourne vers vous car depuis 4 jours que le VPN est DOWN, mon client tire franchement la gueule et je ne saurais que vous remercier de l'aide que vous pourrez m'apporter. Vous trouverez ci-dessous la configuration du routeur du site B (identifiant et @IP publiques sont bien entendus bidon)
Merci par avance !
Configuration du routeur sur le site B
Vous noterez au passage que le pare feu n'est pas configuré, c'est juste pour m'assurer qu'il ne pose pas problème.
Current configuration : 4205 bytes
!
version 12.4
no service pad
service timestamps debug datetime msec
service timestamps log datetime msec
service password-encryption
!
hostname Router
!
boot-start-marker
boot-end-marker
!
logging message-counter syslog
enable secret 5 $1$/Ym3$HTZIbVitmAU1L0ht5lMGO/
!
no aaa new-model
!
crypto pki trustpoint TP-self-signed-2778606820
enrollment selfsigned
subject-name cn=IOS-Self-Signed-Certificate-2778606820
revocation-check none
rsakeypair TP-self-signed-2778606820
!
!
crypto pki certificate chain TP-self-signed-2778606820
certificate self-signed 01
3082023E 308201A7 A0030201 02020101 300D0609 2A864886 F70D0101 04050030
31312F30 2D060355 04031326 494F532D 53656C66 2D536967 6E65642D 43657274
69666963 6174652D 32373738 36303638 3230301E 170D3132 30383038 31313137
31395A17 0D323030 31303130 30303030 305A3031 312F302D 06035504 03132649
4F532D53 656C662D 5369676E 65642D43 65727469 66696361 74652D32 37373836
30363832 3030819F 300D0609 2A864886 F70D0101 01050003 818D0030 81890281
810095A2 CC829D95 4C16F247 D62D9121 1012C46D AF3C50C1 2B9C73E4 B4363B79
20CEB668 74FB75BC 523E526D 7B61C1BF 7CBC8301 116FBA12 394742CA 9E20F783
1A274A7D EA1DD208 BF3FE8C0 3CDC5D11 6503C3CB EB47BA2B B71FE034 190C9C92
A052718C 882BD919 2425A51B 9805C15E 9F6AC7D2 BCF667A8 963335C0 FC452FA8
FE710203 010001A3 66306430 0F060355 1D130101 FF040530 030101FF 30110603
551D1104 0A300882 06526F75 74657230 1F060355 1D230418 30168014 A55A26AD
CED7752E 39BB0FA9 2B89F96F CE5336C9 301D0603 551D0E04 160414A5 5A26ADCE
D7752E39 BB0FA92B 89F96FCE 5336C930 0D06092A 864886F7 0D010104 05000381
810079B8 E6C8E12D 920023C9 2A0A730A 34717EF7 47300C04 F1A56B3A 1E5E6A1A
22E83442 50550BBD 7F7FF547 D697EA44 1B6433CA EE21DF22 04A81AD6 90B3E37A
3F7A2F7B 1BD3EC52 80BD0747 0335E7D5 597E0A8E D5446018 4126F41D 90AAA815
BDB9A878 8941083D 6CF93AAB EB2C4574 4C3C1015 421E13E9 BEF074A8 5E9779BF FF67
quit
dot11 syslog
ip source-route
!
!
!
ip dhcp pool inside
import all
network 192.168.2.0 255.255.255.0
default-router 192.168.2.1
dns-server 208.67.222.222 208.67.220.220
!
!
ip cef
!
no ipv6 cef
multilink bundle-name authenticated
password encryption aes
!
!
username cisco privilege 15 secret 5 $1$SLpF$faZxmVpsbDxRp9AP5RNbn/
!
!
!
!
crypto ipsec client ezvpn EZVPN_REMOTE_CONNECTION_1
connect auto
group EZVPN_GROUP_1 key 6 diVchD[BbOObaCh\ULLO\NMEWLPGGAfGRNfBb^VeB]LLQLRM
mode client
peer 80.11.82.100
virtual-interface 1
username thfvpn2 password 6 JV_'hGWVKLObb]V\\IZTKYTCUNHXORGPJYDONT'\d[
xauth userid mode local
!
archive
log config
hidekeys
!
!
!
!
!
interface ATM0
no ip address
no atm ilmi-keepalive
dsl operating-mode auto
!
interface ATM0.1 point-to-point
pvc 8/35
pppoe-client dial-pool-number 1
!
!
interface FastEthernet0
switchport access vlan 75
!
interface FastEthernet1
switchport access vlan 75
!
interface FastEthernet2
switchport access vlan 75
!
interface FastEthernet3
switchport access vlan 75
!
interface Virtual-Template1 type tunnel
no ip address
tunnel mode ipsec ipv4
!
interface Vlan1
no ip address
!
interface Vlan75
description $FW_INSIDE$
ip address 192.168.2.1 255.255.255.0
ip nat inside
ip virtual-reassembly
ip tcp adjust-mss 1412
crypto ipsec client ezvpn EZVPN_REMOTE_CONNECTION_1 inside
!
interface Dialer0
description $FW_OUTSIDE$
ip address negotiated
ip mtu 1452
ip nat outside
ip virtual-reassembly
encapsulation ppp
dialer pool 1
dialer-group 1
ppp authentication chap pap callin
ppp chap hostname fti/2egd7pc
ppp chap password 7 0756254E170F1C1C
ppp pap sent-username fti/2egd7pc password 7 0552020D784A4B10
ppp ipcp dns request
crypto ipsec client ezvpn EZVPN_REMOTE_CONNECTION_1
!
ip forward-protocol nd
ip route 0.0.0.0 0.0.0.0 Dialer0 2
!
ip http server
ip http secure-server
ip nat inside source list 1 interface Dialer0 overload
!
access-list 1 permit 192.168.2.0 0.0.0.255
access-list 100 permit ip host 255.255.255.255 any
access-list 100 permit ip any any
access-list 101 permit ip 192.168.2.0 0.0.0.255 any
dialer-list 1 protocol ip permit
!
!
!
!
!
control-plane
!
!
line con 0
no modem enable
line aux 0
line vty 0 4
login
!
scheduler max-task-time 5000
end |
Configuration du routeur sur le site A
Current configuration : 9081 bytes
!
version 12.4
no service pad
service timestamps debug datetime msec
service timestamps log datetime msec
service password-encryption
!
hostname SR520
!
boot-start-marker
boot-end-marker
!
logging message-counter syslog
enable secret 5 $1$ivUp$NqRs6bmNc.OgFFkGCrh1B1
!
aaa new-model
!
!
aaa authentication login default local
aaa authentication login Foxtrot_sdm_easyvpn_xauth_ml_1 local
aaa authorization exec default local
aaa authorization network Foxtrot_sdm_easyvpn_group_ml_1 local
!
!
aaa session-id common
!
crypto pki trustpoint TP-self-signed-197926840
enrollment selfsigned
subject-name cn=IOS-Self-Signed-Certificate-197926840
revocation-check none
rsakeypair TP-self-signed-197926840
!
!
crypto pki certificate chain TP-self-signed-197926840
certificate self-signed 01
3082023B 308201A4 A0030201 02020101 300D0609 2A864886 F70D0101 04050030
30312E30 2C060355 04031325 494F532D 53656C66 2D536967 6E65642D 43657274
69666963 6174652D 31393739 32363834 30301E17 0D313131 32303830 39333430
375A170D 32303031 30313030 30303030 5A303031 2E302C06 03550403 1325494F
532D5365 6C662D53 69676E65 642D4365 72746966 69636174 652D3139 37393236
38343030 819F300D 06092A86 4886F70D 01010105 0003818D 00308189 02818100
B88A224D BB963F99 CF673115 4966D8CF AFB05D15 1EE8F082 51A83EF9 28076540
C8CC075E A4B3C14A F27E7CE3 58A28F66 85A00FB4 152A29B6 B0B144ED A37C82B2
E52B3EFE 43E9D34F FF7B6132 C191E365 523228E2 D531D777 E1F081C0 70FC2F9F
A85712A0 04B698D7 09FA32B1 67A185D0 0E024625 8FB1B208 71A1CDC5 B6A9028F
02030100 01A36530 63300F06 03551D13 0101FF04 05300301 01FF3010 0603551D
11040930 07820553 52353230 301F0603 551D2304 18301680 141E0283 885027DB
05254B77 1A4C6C15 6629A3A1 5C301D06 03551D0E 04160414 1E028388 5027DB05
254B771A 4C6C1566 29A3A15C 300D0609 2A864886 F70D0101 04050003 8181006D
10808258 DF48712D 8C15CD94 C6F4E931 130E8347 D14CADDB 4506B89B 8FFF852C
8ECB6698 2BA7BC70 32F0BDE4 75E96C2B B598F9C1 970C29F5 C3225512 5AA2AEEB
68E78808 C0C9E0D2 DE3FF7C7 CA0584DE 7B49FCAA 397F6DCE F1254140 6FCDD8F1
EE162C1E 2EA6A58C 1523C352 A4110E34 C2C12B99 96C2416A 55642E61 276679
quit
dot11 syslog
ip source-route
!
!
ip dhcp excluded-address 192.168.1.1 192.168.1.10
!
ip dhcp pool inside
import all
network 192.168.1.0 255.255.255.0
default-router 192.168.1.1
!
!
ip cef
!
no ipv6 cef
multilink bundle-name authenticated
!
!
username cisco privilege 15 secret 5 $1$IGpr$Pq8mZdfgfGWTXYW4heUBd/
username thfvpn secret 5 $1$x6hr$giyMhMZXgKs7DJQ8IuulG1
username thfvpn2 secret 5 $1$X1zF$eZC/9Zuwk1vk2.cuS2Elr/
!
!
crypto isakmp policy 1
encr 3des
authentication pre-share
group 2
!
crypto isakmp client configuration group EZVPN_GROUP_1
key MaCléEnClair
dns 81.253.89.1 80.10.246.2
pool SDM_POOL_1
acl 101
save-password
max-users 10
crypto isakmp profile sdm-ike-profile-1
match identity group EZVPN_GROUP_1
client authentication list Foxtrot_sdm_easyvpn_xauth_ml_1
isakmp authorization list Foxtrot_sdm_easyvpn_group_ml_1
client configuration address respond
virtual-template 3
!
!
crypto ipsec transform-set ESP-3DES-SHA esp-3des esp-sha-hmac
!
crypto ipsec profile SDM_Profile1
set transform-set ESP-3DES-SHA
set isakmp-profile sdm-ike-profile-1
!
!
archive
log config
logging enable
logging size 600
hidekeys
!
!
!
class-map type inspect match-any SDM_AH
match access-group name SDM_AH
class-map type inspect match-any SDM-Voice-permit
match protocol sip
class-map type inspect match-any SDM_IP
match access-group name SDM_IP
class-map type inspect match-any SDM_ESP
match access-group name SDM_ESP
class-map type inspect match-any SDM_EASY_VPN_SERVER_TRAFFIC
match protocol isakmp
match protocol ipsec-msft
match class-map SDM_AH
match class-map SDM_ESP
class-map type inspect match-all SDM_EASY_VPN_SERVER_PT
match class-map SDM_EASY_VPN_SERVER_TRAFFIC
class-map type inspect match-any sdm-cls-icmp-access
match protocol icmp
match protocol tcp
match protocol udp
class-map type inspect match-any sdm-cls-insp-traffic
match protocol cuseeme
match protocol dns
match protocol ftp
match protocol h323
match protocol https
match protocol icmp
match protocol imap
match protocol pop3
match protocol netshow
match protocol shell
match protocol realmedia
match protocol rtsp
match protocol smtp extended
match protocol sql-net
match protocol streamworks
match protocol tftp
match protocol vdolive
match protocol tcp
match protocol udp
class-map type inspect match-all sdm-invalid-src
match access-group 100
class-map type inspect match-all dhcp_out_self
match access-group name dhcp-resp-permit
class-map type inspect match-all dhcp_self_out
match access-group name dhcp-req-permit
class-map type inspect match-all sdm-protocol-http
match protocol http
!
!
policy-map type inspect sdm-permit-icmpreply
class type inspect dhcp_self_out
pass
class type inspect sdm-cls-icmp-access
inspect
class class-default
pass
policy-map type inspect sdm-inspect
class type inspect sdm-invalid-src
drop log
class type inspect sdm-cls-insp-traffic
inspect
class type inspect sdm-protocol-http
inspect
class type inspect SDM-Voice-permit
pass
class class-default
pass
policy-map type inspect sdm-inspect-voip-in
class type inspect SDM-Voice-permit
pass
class class-default
drop
policy-map type inspect sdm-permit
class type inspect SDM_EASY_VPN_SERVER_PT
pass
class type inspect dhcp_out_self
pass
class class-default
drop
policy-map type inspect sdm-permit-ip
class type inspect SDM_IP
pass
class class-default
drop log
!
zone security out-zone
zone security in-zone
zone security ezvpn-zone
zone-pair security sdm-zp-self-out source self destination out-zone
service-policy type inspect sdm-permit-icmpreply
zone-pair security sdm-zp-out-self source out-zone destination self
service-policy type inspect sdm-permit
zone-pair security sdm-zp-in-out source in-zone destination out-zone
service-policy type inspect sdm-inspect
zone-pair security sdm-zp-out-in source out-zone destination in-zone
service-policy type inspect sdm-inspect-voip-in
zone-pair security sdm-zp-in-ezvpn1 source in-zone destination ezvpn-zone
service-policy type inspect sdm-permit-ip
zone-pair security sdm-zp-out-ezpn1 source out-zone destination ezvpn-zone
service-policy type inspect sdm-permit-ip
zone-pair security sdm-zp-ezvpn-out1 source ezvpn-zone destination out-zone
service-policy type inspect sdm-permit-ip
zone-pair security sdm-zp-ezvpn-in1 source ezvpn-zone destination in-zone
service-policy type inspect sdm-permit-ip
!
!
!
interface ATM0
no ip address
no atm ilmi-keepalive
dsl operating-mode auto
!
interface ATM0.1 point-to-point
pvc 8/35
pppoe-client dial-pool-number 1
!
!
interface FastEthernet0
switchport access vlan 75
!
interface FastEthernet1
switchport access vlan 75
!
interface FastEthernet2
switchport access vlan 75
!
interface FastEthernet3
switchport access vlan 75
!
interface Virtual-Template3 type tunnel
ip unnumbered Vlan75
zone-member security ezvpn-zone
tunnel mode ipsec ipv4
tunnel protection ipsec profile SDM_Profile1
!
interface Vlan1
no ip address
shutdown
!
interface Vlan75
description $FW_INSIDE$
ip address 192.168.1.1 255.255.255.0
ip nat inside
ip virtual-reassembly
zone-member security in-zone
ip tcp adjust-mss 1412
!
interface Dialer2
description $FW_OUTSIDE$
ip address negotiated
ip mtu 1452
ip nat outside
ip virtual-reassembly
zone-member security out-zone
encapsulation ppp
dialer pool 1
dialer-group 1
ppp authentication chap pap callin
ppp chap hostname fti/vy6u3wb
ppp chap password 7 08241F1A0D090045
ppp pap sent-username fti/vy6u3wb password 7 1412415F08142F79
ppp ipcp dns request
!
ip local pool SDM_POOL_1 192.168.1.100 192.168.1.109
ip forward-protocol nd
ip route 0.0.0.0 0.0.0.0 Dialer2
ip route 192.168.10.0 255.255.255.0 Vlan75
!
ip http server
ip http authentication local
ip http secure-server
ip http timeout-policy idle 60 life 86400 requests 10000
ip nat inside source list 1 interface Dialer2 overload
!
ip access-list extended SDM_AH
remark SDM_ACL Category=1
permit ahp any any
ip access-list extended SDM_ESP
remark SDM_ACL Category=1
permit esp any any
ip access-list extended SDM_IP
remark SDM_ACL Category=1
permit ip any any
ip access-list extended dhcp-req-permit
remark SDM_ACL Category=1
permit udp any eq bootpc any eq bootps
ip access-list extended dhcp-resp-permit
remark SDM_ACL Category=1
permit udp any eq bootps any eq bootpc
!
access-list 1 remark SDM_ACL Category=2
access-list 1 permit 192.168.1.0 0.0.0.255
access-list 100 remark SDM_ACL Category=128
access-list 100 permit ip host 255.255.255.255 any
access-list 100 permit ip 127.0.0.0 0.255.255.255 any
access-list 101 remark SDM_ACL Category=4
access-list 101 permit ip 192.168.1.0 0.0.0.255 any
dialer-list 1 protocol ip permit
!
!
!
!
!
control-plane
!
banner login ^CSR520 Base Config - MFG 1.0 ^C
!
line con 0
no modem enable
line aux 0
line vty 0 4
transport input telnet ssh
!
scheduler max-task-time 5000
end |
Encore merci à ceux qui daigneront me filer un coup de main !
Message édité par nocoz le 10-08-2012 à 15:57:48
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