ASA 5512-x Anyconnect partially working

nathan demers · ‎09-22-2015

Here is the issue.

Anyconnect connects and functions as intended for the split tunnel with a destination of 192.168.166.0/24 It does not work for 192.168.55.4 /30. The configuration is the same for both. I have static no nat statements and interesting traffic ACLs assigned. There is a little bit of extra code in here due to me playing with this to get it to work. I have not rebooted this yet because it is in production. I just need a sanity check because everything is identical for the two subnets. I want to be able to reach the Inside interface and the Inside-166 interfaces. This will prepare me for expanding access via anyconnect to additional resources internally.

SSL-Anyconnect

Working - 192.168.166.0/24

Broken - 192.168.55.4 /30

: Hardware: ASA5512, 4096 MB RAM, CPU Clarkdale 2793 MHz, 1 CPU (2 cores)
:
ASA Version 9.4(1)
!
hostname examplecom-ASA
domain-name examplecom911.com
enable password KKZEMuUIl6k9bTx9 encrypted
xlate per-session deny tcp any4 any4
xlate per-session deny tcp any4 any6
xlate per-session deny tcp any6 any4
xlate per-session deny tcp any6 any6
xlate per-session deny udp any4 any4 eq domain
xlate per-session deny udp any4 any6 eq domain
xlate per-session deny udp any6 any4 eq domain
xlate per-session deny udp any6 any6 eq domain
names
ip local pool SSLClientPool 192.168.201.1-192.168.201.50 mask 255.255.255.0
!
interface GigabitEthernet0/0
description Global Internet for all devices - Minus 166
nameif Outside-Internet
security-level 0
ip address 192.168.55.2 255.255.255.252
!
interface GigabitEthernet0/1
description DIA to Internet for 192.168.166.0/24
nameif Outside-166
security-level 0
ip address dhcp setroute
!
interface GigabitEthernet0/2
description Subnet for Internet Access for 911 Call responders
nameif Inside-166
security-level 100
ip address 192.168.166.1 255.255.255.0
policy-route route-map RM_166_INTERNET
!
interface GigabitEthernet0/3
description Internal Global Network for all devices.
nameif Inside
security-level 100
ip address 192.168.55.5 255.255.255.252
!
interface GigabitEthernet0/4
shutdown
no nameif
no security-level
no ip address
!
interface GigabitEthernet0/5
shutdown
no nameif
no security-level
no ip address
!
interface Management0/0
management-only
nameif MGMT
security-level 0
ip address 192.168.174.250 255.255.255.0
!
boot system disk0:/asa941-smp-k8.bin
ftp mode passive
clock timezone PST -8
clock summer-time PDT recurring
dns server-group DefaultDNS
domain-name examplecom911.com
same-security-traffic permit inter-interface
object network PAT_166
subnet 192.168.166.0 255.255.255.0
object network ANYCONNECT_201
subnet 192.168.201.0 255.255.255.0
object network NETWORK_OBJ_192.168.201.0_26
subnet 192.168.201.0 255.255.255.0
object-group network 166-SUBNET
network-object 192.168.166.0 255.255.255.0
object-group network NO_NAT_ANYCONNECT
network-object 192.168.201.0 255.255.255.0
object-group network NO_NAT_ADMIN
network-object 192.168.174.0 255.255.255.0
object-group network NO_NAT_VPN_166
network-object 192.168.166.0 255.255.255.0
access-list PBR_166_INTERNET standard permit 192.168.166.0 255.255.255.0
access-list PBR_DEFAULT_TRAFFIC standard permit any4
access-list 166_PUBLIC_IN extended permit ip 192.168.201.0 255.255.255.0 192.168.166.0 255.255.255.0 log
access-list 166_PUBLIC_IN extended permit ip 192.168.201.0 255.255.255.0 192.168.55.4 255.255.255.252 log
access-list INSIDE-166-ACL extended permit ip any any
access-list INSIDE-IN extended permit ip any any
access-list split-tunnel standard permit 192.168.166.0 255.255.255.0
access-list split-tunnel standard permit 192.168.174.0 255.255.255.0
access-list split-tunnel standard permit 192.168.55.4 255.255.255.252
pager lines 24
logging enable
logging timestamp
logging buffer-size 1000000
logging monitor debugging
logging buffered debugging
logging trap informational
logging asdm informational
logging debug-trace
mtu Outside-Internet 1500
mtu Outside-166 1500
mtu Inside-166 1500
mtu Inside 1500
mtu MGMT 1500
icmp unreachable rate-limit 1 burst-size 1
asdm image disk0:/asdm-741.bin
no asdm history enable
arp timeout 14400
no arp permit-nonconnected
nat (Inside-166,Outside-166) source dynamic any interface
nat (Inside-166,Outside-166) source static any any destination static NETWORK_OBJ_192.168.201.0_26 NETWORK_OBJ_192.168.201.0_26 no-proxy-arp route-lookup
nat (Inside,Outside-166) source static any any destination static NETWORK_OBJ_192.168.201.0_26 NETWORK_OBJ_192.168.201.0_26 no-proxy-arp route-lookup
access-group 166_PUBLIC_IN in interface Outside-166
access-group INSIDE-IN in interface Inside
!
route-map RM_166_INTERNET permit 10
match ip address PBR_166_INTERNET
set interface Outside-166

!
router eigrp 1
network 192.168.166.0 255.255.255.0
network 192.168.55.4 255.255.255.252
!
route Outside-166 0.0.0.0 0.0.0.0 9.9.9.1 1
route MGMT 192.168.174.0 255.255.255.0 192.168.174.2 1
timeout xlate 3:00:00
timeout pat-xlate 0:00:30
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
timeout tcp-proxy-reassembly 0:01:00
timeout floating-conn 0:00:00
user-identity default-domain LOCAL
aaa authentication ssh console LOCAL
http server enable
http 192.168.174.0 255.255.255.0 MGMT
http 67.161.108.98 255.255.255.255 Outside-166
no snmp-server location
no snmp-server contact
crypto ipsec ikev1 transform-set TS_ESP_3DES_SHA esp-3des esp-sha-hmac
crypto ipsec ikev1 transform-set TS_ESP_3DES_MD5 esp-3des esp-md5-hmac
crypto ipsec ikev1 transform-set TS_ESP_AES-256_SHA esp-aes-256 esp-sha-hmac
crypto ipsec security-association pmtu-aging infinite
crypto ca trustpoint ASDM_Launcher_Access_TrustPoint_0
enrollment self
fqdn none
subject-name CN=192.168.174.250,CN=examplecom-ASA
keypair ASDM_LAUNCHER
crl configure
crypto ca trustpoint localtrust
enrollment self
fqdn sslvpn.examplecom911.info
subject-name CN=sslvpn.examplecom911.info
keypair sslvpnkey
crl configure
crypto ca trustpool policy
crypto ca certificate chain ASDM_Launcher_Access_TrustPoint_0
--omitted--

crypto ikev1 policy 10
authentication pre-share
encryption 3des
hash sha
group 2
lifetime 28800
crypto ikev1 policy 20
authentication pre-share
encryption 3des
hash md5
group 2
lifetime 28800
crypto ikev1 policy 30
authentication pre-share
encryption aes-256
hash sha
group 5
lifetime 28800
telnet timeout 5
ssh stricthostkeycheck

ssh timeout 60
ssh version 2
ssh key-exchange group dh-group1-sha1
console timeout 0
management-access Inside-166
threat-detection basic-threat
threat-detection statistics access-list
no threat-detection statistics tcp-intercept
ntp server 192.168.174.9 source MGMT prefer
ssl trust-point localtrust Outside-166
ssl trust-point ASDM_Launcher_Access_TrustPoint_0 MGMT
ssl trust-point ASDM_Launcher_Access_TrustPoint_0 MGMT vpnlb-ip
webvpn
enable Outside-166
anyconnect image disk0:/anyconnect-win-3.1.10010-k9.pkg 1
anyconnect enable
tunnel-group-list enable
error-recovery disable
group-policy SSLCLient internal
group-policy SSLCLient attributes
banner value ****************************
banner value Authorized exampleCom Admins Only
banner value ****************************
dns-server value 9.9.9.1 4.4.2.2
vpn-tunnel-protocol ssl-client
re-xauth enable
pfs enable
split-tunnel-policy tunnelspecified
split-tunnel-network-list value split-tunnel
default-domain value examplecom911.info
address-pools value SSLClientPool
group-policy GroupPolicy_exampleCOM_ANYCONNECT internal
group-policy GroupPolicy_exampleCOM_ANYCONNECT attributes
wins-server none
dns-server value 9.9.9.1 4.4.2.2
vpn-tunnel-protocol ssl-client
split-tunnel-policy tunnelspecified
split-tunnel-network-list value split-tunnel
default-domain value examplecom911.com
split-tunnel-all-dns disable
dynamic-access-policy-record DfltAccessPolicy
username example_brad password Fk3MzOeAau1lt.2O encrypted
username example_brad attributes
service-type remote-access
username examplecom password KF.aA.oQrkSpW2BY encrypted
username example_josh password .PZSPsFZj/qTuAND encrypted
username example_josh attributes
service-type remote-access
username example_jerry password KF.aA.oQrkSpW2BY encrypted
username example_jerry attributes
service-type remote-access
tunnel-group SSLClient type remote-access
tunnel-group SSLClient general-attributes
default-group-policy SSLCLient
tunnel-group SSLClient webvpn-attributes
group-alias exampleCom-Admins enable

class-map inspection_default
match default-inspection-traffic
!
!
policy-map type inspect dns preset_dns_map
parameters
message-length maximum client auto
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 ip-options
inspect netbios
inspect rsh
inspect rtsp
inspect skinny
inspect esmtp
inspect sqlnet
inspect sunrpc
inspect tftp
inspect sip
inspect xdmcp
inspect icmp
!
service-policy global_policy global
prompt hostname context
no call-home reporting anonymous
call-home
profile CiscoTAC-1
no active
destination address http https://tools.cisco.com/its/service/oddce/services/DDCEService
destination address email callhome@cisco.com
destination transport-method http
subscribe-to-alert-group diagnostic
subscribe-to-alert-group environment
subscribe-to-alert-group inventory periodic monthly 5
subscribe-to-alert-group configuration periodic monthly 5
subscribe-to-alert-group telemetry periodic daily
Cryptochecksum:cc456cfabf1392fc7fefec51737a9a30
: end

nathan demers · ‎09-23-2015

Wanted to follow up on the solution.

The issue is the following: management-access Inside-166

That command allows me access the 192.168.166.1 address for management purposes but the 55.5 address is not accessible. If I change the management access command to Inside instead of Inside-166 then the 55.5 address is available for icmp. Once I setup ospf on the opposite side of the 55.x then I could reah the opposing side but could not manage the 55.5 still.

So Anyconnect was not broken just giving a false representation of broken based on ignorance.