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second vpn subnet between asa 5515 and meraki mx64

jkay18041
Level 3
Level 3

I currently have a vpn connection setup between an ASA 5515 and a Meraki MX64, works great. However I've got a new subnet behind the asa that I want to put over the vpn. I added it to the local subnet on the ASA and the remote subnet on the Meraki. It won't work on that subnet. When I do a packet-tracer from the new subnet to the meraki it says "nat-xlate failed"

 

The new subnet is natted to a different public IP, not sure if that matters. Here is my config for the ASA

 


interface GigabitEthernet0/0
description WAN
nameif outside
security-level 0
ip address 5.2.201.65 255.255.255.224 standby 5.2.201.66
!
interface GigabitEthernet0/1
description Part of Port-Channel16
channel-group 16 mode active
no nameif
no security-level
no ip address
!
interface GigabitEthernet0/2
description Part of Port-Channel16
channel-group 16 mode active
no nameif
no security-level
no ip address
!
interface GigabitEthernet0/3
description LAN Failover Interface
!
interface GigabitEthernet0/4
no nameif
no security-level
no ip address
!
interface GigabitEthernet0/5
description Connection between ASA's
nameif To_5516
security-level 10
ip address 192.168.95.1 255.255.255.248 standby 192.168.95.3
!
interface Management0/0
description STATE Failover Interface
management-only
!
interface Port-channel16
lacp max-bundle 8
no nameif
no security-level
no ip address
!
interface Port-channel16.16
description Inside
vlan 16
nameif inside
security-level 100
ip address 10.16.1.251 255.255.255.0 standby 10.16.1.252
!
interface Port-channel16.18
description Interfaces Vlan
vlan 18
nameif Interfaces
security-level 80
ip address 10.18.1.251 255.255.255.0

object network Inside_10.16.1.0
subnet 10.16.1.0 255.255.255.0
description inside network
object network inside
subnet 10.16.1.0 255.255.255.0
description Inside network 10.16.1.0
object network issue_city_Bellevue
subnet 10.211.41.0 255.255.255.0
description issue_city House Bellevue BOH
object-group protocol DM_INLINE_PROTOCOL_4
protocol-object ip
protocol-object icmp
object-group service DM_INLINE_SERVICE_4
service-object ip
service-object icmp
service-object tcp-udp destination eq domain
object-group network SNMP_Collectors
description SNMP Collectors
network-object object Cacti
network-object object Obersvium
object-group network DM_INLINE_NETWORK_1
network-object object VPN
network-object object VPN_RDS
object-group network DM_INLINE_NETWORK_2
network-object object VPN
network-object object VPN_RDS
object-group network DM_INLINE_NETWORK_3
network-object object Inside_10.16.1.0
network-object object Interfaces
object-group network DM_INLINE_NETWORK_4
network-object 10.16.1.0 255.255.255.0
network-object 10.18.1.0 255.255.255.0
object-group network DM_INLINE_NETWORK_5
network-object 10.16.1.0 255.255.255.0
network-object object Interfaces
access-list Inside_access_in extended permit ip any any
access-list Inside_access_in extended permit icmp any any
access-list inside_access_in extended permit object-group DM_INLINE_PROTOCOL_3 any any
access-list outside_access_in extended deny icmp any any
access-list outside_access_in extended permit ip any any
access-list outside_cryptomap_1 extended permit object-group DM_INLINE_PROTOCOL_8 object-group DM_INLINE_NETWORK_5 object issue_city_Bellevue
access-list Interfaces_access_in extended permit ip any any
nat (inside,outside) source static NETWORK_OBJ_10.16.1.0_24 NETWORK_OBJ_10.16.1.0_24 destination static issue_city_Bellevue issue_city_Bellevue no-proxy-arp route-lookup
nat (inside,outside) source static NETWORK_OBJ_10.16.1.0_24 NETWORK_OBJ_10.16.1.0_24 destination static issue_city_Redmond issue_city_Redmond no-proxy-arp route-lookup
nat (inside,outside) source static DM_INLINE_NETWORK_4 DM_INLINE_NETWORK_4 destination static issue_city_Bellevue issue_city_Bellevue no-proxy-arp route-lookup
!
object network inside
nat (inside,outside) dynamic interface
object network Interfaces
nat (Interfaces,outside) dynamic Interface_Public_IP
access-group outside_access_in in interface outside
access-group To_5516_access_in in interface To_5516
access-group inside_access_in in interface inside
access-group Interfaces_access_in in interface Interfaces
route outside 0.0.0.0 0.0.0.0 5.2.201.94 1
route To_5516 10.15.2.0 255.255.255.0 192.168.95.2 1
route To_5516 10.15.33.0 255.255.255.0 192.168.95.2 1
route To_5516 10.45.46.0 255.255.255.192 192.168.95.2 1
route To_5516 10.245.245.0 255.255.255.0 192.168.95.2 1
crypto ipsec security-association pmtu-aging infinite
crypto map outside_map 4 match address outside_cryptomap_1
crypto map outside_map 4 set peer 5.23.31.194
crypto map outside_map 4 set ikev1 transform-set AES-256 ESP-AES-256-SHA
group-policy GroupPolicy_5.23.31.194 internal
group-policy GroupPolicy_5.23.31.194 attributes
vpn-tunnel-protocol ikev1
vpn-tunnel-protocol ikev1
dynamic-access-policy-record DfltAccessPolicy
username company_name password ***** encrypted privilege 15
tunnel-group 5.23.31.194 type ipsec-l2l
tunnel-group 5.23.31.194 general-attributes
default-group-policy GroupPolicy_5.23.31.194
tunnel-group 5.23.31.194 ipsec-attributes

 

Any advice?

 

Thanks

16 Replies 16

Basically in the Meraki portal page it just allows you to configure the site to site vpn. It ask which subnets need to traverse the VPN and I put in the 10.16.1.0 and 10.18.1.0 subnets.

 

There isn't much to configure on it as it's basic

 

When I do a packet tracer on the ASA I get a NAT translation error.

Meraki looked at the ASA config as well and thinks it looks ok.

 

They are suggesting this.

 

put a 10.16.0.0/14 subnet for the local network and to do the same on the Meraki on the remote network.

 

What do you think about that? I haven't done it yet as it would bring down our other VPN tunnels at least for 30 seconds or so. I'm planning on testing it tomorrow with a spare Meraki. 

 

Thanks again

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