I am having an issue with one-way calling on a VOIP system. Basically I have three sites. All three sites can call out and can hear the remote person but no one can hear what they are saying. (We are using dynamic VPN)
I have a feeling it has something to do with inspecting H323 protocol but I am not sure.
I also should point out that all other traffic over VPN works just fine both ways
Here is the Cisco 861 configuration:
Building configuration...
Current configuration : 10999 bytes
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version 15.0
no service pad
service tcp-keepalives-in
service tcp-keepalives-out
service timestamps debug datetime msec localtime show-timezone
service timestamps log datetime msec localtime show-timezone
service password-encryption
service sequence-numbers
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hostname fw
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boot-start-marker
boot-end-marker
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no logging buffered
logging console critical
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no aaa new-model
memory-size iomem 10
clock timezone PCTime -6
clock summer-time PCTime date Apr 6 2003 2:00 Oct 26 2003 2:00
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!
no ip source-route
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ip port-map user-protocol--3 port tcp 3389
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ip cef
no ip bootp server
no ip domain lookup
ip domain name DOMAIN.com
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!
ip tcp synwait-time 10
ip ssh time-out 60
ip ssh authentication-retries 2
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class-map type inspect match-all sdm-cls-VPNOutsideToInside-1
match access-group name acl_vpn
class-map type inspect match-all sdm-nat-user-protocol--3-1
match access-group 108
match protocol user-protocol--3
class-map type inspect match-all sdm-nat-http-1
match protocol http
class-map type inspect match-all sdm-nat-user-protocol--2-1
match protocol Other
class-map type inspect match-all sdm-nat-user-protocol--1-1
match protocol Other
class-map type inspect match-all sdm-nat-smtp-1
match protocol smtp
class-map type inspect match-all sdm-nat-imap-1
match protocol imap
class-map type inspect match-any SDM_AH
match access-group name SDM_AH
class-map type inspect match-any SDM_ESP
match access-group name SDM_ESP
class-map type inspect match-any SDM_VPN_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_VPN_PT
match class-map SDM_VPN_TRAFFIC
class-map type inspect match-any ccp-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 shell
match protocol realmedia
match protocol rtsp
match protocol smtp
match protocol sql-net
match protocol streamworks
match protocol tftp
match protocol vdolive
match protocol tcp
match protocol h225ras
class-map type inspect match-all ccp-insp-traffic
match class-map ccp-cls-insp-traffic
class-map type inspect match-any ccp-cls-icmp-access
match protocol icmp
class-map type inspect match-all sdm-nat-pop3-1
match protocol pop3
class-map type inspect match-all ccp-icmp-access
match class-map ccp-cls-icmp-access
class-map type inspect match-all ccp-invalid-src
match access-group 100
class-map type inspect match-all sdm-nat-https-1
match protocol https
class-map type inspect match-all ccp-protocol-http
match protocol http
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!
policy-map type inspect ccp-permit-icmpreply
class type inspect ccp-icmp-access
inspect
class class-default
pass
policy-map type inspect sdm-pol-NATOutsideToInside-1
class type inspect sdm-nat-smtp-1
inspect
class type inspect sdm-nat-https-1
inspect
class type inspect sdm-nat-pop3-1
inspect
class type inspect sdm-nat-imap-1
inspect
class type inspect sdm-nat-user-protocol--1-1
inspect
class type inspect sdm-nat-user-protocol--2-1
inspect
class type inspect sdm-nat-http-1
inspect
class type inspect sdm-nat-user-protocol--3-1
inspect
class type inspect sdm-cls-VPNOutsideToInside-1
inspect
class class-default
drop
policy-map type inspect ccp-inspect
class type inspect ccp-invalid-src
drop log
class type inspect ccp-protocol-http
inspect
class type inspect ccp-insp-traffic
inspect
class class-default
drop
policy-map type inspect ccp-permit
class type inspect SDM_VPN_PT
pass
class class-default
drop
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zone security out-zone
zone security in-zone
zone-pair security ccp-zp-self-out source self destination out-zone
service-policy type inspect ccp-permit-icmpreply
zone-pair security sdm-zp-NATOutsideToInside-1 source out-zone destination in-zone
service-policy type inspect sdm-pol-NATOutsideToInside-1
zone-pair security ccp-zp-in-out source in-zone destination out-zone
service-policy type inspect ccp-inspect
zone-pair security ccp-zp-out-self source out-zone destination self
service-policy type inspect ccp-permit
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crypto isakmp policy 1
encr 3des
authentication pre-share
group 2
crypto isakmp key <PASSWORD> address 0.0.0.0 0.0.0.0
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crypto ipsec transform-set ESP-3DES-SHA esp-3des esp-sha-hmac
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crypto dynamic-map SDM_DYNMAP_1 1
set transform-set ESP-3DES-SHA
match address acl_vpn
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crypto map SDM_CMAP_1 65535 ipsec-isakmp dynamic SDM_DYNMAP_1
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!
!
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interface FastEthernet0
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interface FastEthernet1
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interface FastEthernet2
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interface FastEthernet3
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interface FastEthernet4
description $ES_WAN$$FW_OUTSIDE$
ip address 1.1.1.1 255.255.255.248
no ip redirects
no ip unreachables
no ip proxy-arp
ip flow ingress
ip nat outside
ip virtual-reassembly
zone-member security out-zone
duplex auto
speed auto
crypto map SDM_CMAP_1
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interface wlan-ap0
description Service module interface to manage the embedded AP
ip unnumbered Vlan1
no ip redirects
no ip unreachables
no ip proxy-arp
ip flow ingress
arp timeout 0
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interface Wlan-GigabitEthernet0
description Internal switch interface connecting to the embedded AP
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interface Vlan1
description $ETH-SW-LAUNCH$$INTF-INFO-HWIC 4ESW$$ES_LAN$$FW_INSIDE$
ip address 10.0.0.254 255.255.255.0
no ip redirects
no ip unreachables
no ip proxy-arp
ip flow ingress
ip nat inside
ip virtual-reassembly
zone-member security in-zone
ip tcp adjust-mss 1452
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ip forward-protocol nd
ip http server
ip http authentication local
ip http secure-server
ip http timeout-policy idle 60 life 86400 requests 10000
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ip nat inside source static tcp 10.0.0.251 3389 interface FastEthernet4 3390
ip nat inside source route-map SDM_RMAP_1 interface FastEthernet4 overload
ip nat inside source static tcp 10.0.0.250 80 1.1.1.1 80 route-map SDM_RMAP_1 extendable
ip nat inside source static tcp 10.0.0.250 443 1.1.1.1 443 route-map SDM_RMAP_1 extendable
ip nat inside source static tcp 10.0.0.250 4125 1.1.1.1 4125 route-map SDM_RMAP_1 extendable
ip nat inside source static tcp 10.0.0.139 10000 1.1.1.1 10000 route-map SDM_RMAP_1 extendable
ip nat inside source static tcp 10.0.0.140 35300 1.1.1.1 35300 route-map SDM_RMAP_1 extendable
ip route 0.0.0.0 0.0.0.0 <GATEWAY>
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ip access-list extended Inbound_ACL
permit ip any host 10.0.0.250
ip access-list extended SDM_AH
remark CCP_ACL Category=1
permit ahp any any
ip access-list extended SDM_ESP
remark CCP_ACL Category=1
permit esp any any
ip access-list extended acl_vpn
permit ip 192.168.2.0 0.0.0.255 10.0.0.0 0.0.0.255
permit ip 10.1.1.0 0.0.0.255 10.0.0.0 0.0.0.255
permit ip 172.31.0.0 0.0.0.255 10.0.0.0 0.0.0.255
permit ip 10.0.0.0 0.0.0.255 any
ip access-list extended nonat
deny ip 10.0.0.0 0.0.0.255 192.168.2.0 0.0.0.255
deny ip 10.0.0.0 0.0.0.255 10.1.1.0 0.0.0.255
deny ip 10.0.0.0 0.0.0.255 172.31.0.0 0.0.0.255
permit ip 10.0.0.0 0.0.0.255 any
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no logging trap
access-list 1 remark INSIDE_IF=Vlan1
access-list 1 remark CCP_ACL Category=2
access-list 1 permit 10.0.0.0 0.0.0.255
access-list 100 remark CCP_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 100 permit ip 75.89.103.32 0.0.0.7 any
access-list 108 remark CCP_ACL Category=0
access-list 108 permit ip any host 10.0.0.251
access-list 110 remark CCP_ACL Category=128
access-list 110 permit ip any any
access-list 112 permit ip 10.0.0.0 0.0.0.255 any
no cdp run
route-map SDM_RMAP_1 permit 1
match ip address nonat
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control-plane
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line con 0
login local
no modem enable
transport output telnet
line aux 0
login local
transport output telnet
line 2
no activation-character
no exec
transport preferred none
transport input all
line vty 0 4
privilege level 15
login local
transport input telnet ssh
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scheduler max-task-time 5000
scheduler allocate 4000 1000
scheduler interval 500
end
fw#
