Cisco 506e - remote-access vpn, split tunnel, client has no internet access.

Discussion in 'Cisco' started by Rohan, Nov 28, 2006.

  1. Rohan

    Rohan Guest

    I have searched this group and the internet but cannot seem to see
    anything wrong with my configuration (given below), yet clients
    connecting to the pix cannot go out to the internet.

    The clients are using the Cisco VPN client 4.8.01.0300, the connection
    is using "Enable transparent tunneling" - IPSec over UDP; also allowing
    local LAN access.

    I am new to the whole pix, Cisco world - all of this configuration was
    done using the PDM - when I finally enabled split-tunneling the PDM
    told me that it had encountered a firewall config. command that it does
    not support - apparently it does not support multiple uses of an ACL -
    the ACL in question being "outside_cryptomap_dyn_20" which is being
    applied to both the outside interface for IPSec traffic selection and
    to the VPN client group for split tunneling.

    I would really appreciate it if someone could go over my configuration
    and let me know what I am doing wrong.

    Result of firewall command: "show running-config"

    : Saved
    :
    PIX Version 6.3(5)
    interface ethernet0 auto
    interface ethernet1 auto
    nameif ethernet0 outside security0
    nameif ethernet1 inside security100

    fixup protocol dns maximum-length 512
    fixup protocol ftp 21
    fixup protocol h323 h225 1720
    fixup protocol h323 ras 1718-1719
    fixup protocol http 80
    fixup protocol rsh 514
    fixup protocol rtsp 554
    fixup protocol sip 5060
    fixup protocol sip udp 5060
    fixup protocol skinny 2000
    fixup protocol smtp 25
    fixup protocol sqlnet 1521
    fixup protocol tftp 69
    names
    access-list inside_outbound_nat0_acl permit ip any 192.168.1.0
    255.255.255.0
    access-list outside_cryptomap_dyn_20 permit ip any 192.168.1.0
    255.255.255.0
    pager lines 24
    mtu outside 1500
    mtu inside 1500
    ip address outside <my_outside_address> <my_subnet_mask>
    ip address inside 192.168.1.1 255.255.255.0
    ip audit info action alarm
    ip audit attack action alarm
    ip local pool BSIP 192.168.1.100-192.168.1.200

    arp timeout 14400
    global (outside) 10 interface
    nat (inside) 0 access-list inside_outbound_nat0_acl
    nat (inside) 10 0.0.0.0 0.0.0.0 0 0
    route outside 0.0.0.0 0.0.0.0 <my_outside_address> 1
    timeout xlate 0:05:00
    timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 rpc 0:10:00 h225
    1:00:00
    timeout h323 0:05:00 mgcp 0:05:00 sip 0:30:00 sip_media 0:02:00
    timeout sip-disconnect 0:02:00 sip-invite 0:03:00
    timeout uauth 0:05:00 absolute
    aaa-server TACACS+ protocol tacacs+
    aaa-server TACACS+ max-failed-attempts 3
    aaa-server TACACS+ deadtime 10
    aaa-server RADIUS protocol radius
    aaa-server RADIUS max-failed-attempts 3
    aaa-server RADIUS deadtime 10
    aaa-server LOCAL protocol local
    http server enable
    http 192.168.1.0 255.255.255.0 inside
    no snmp-server location
    no snmp-server contact
    snmp-server community public
    no snmp-server enable traps
    floodguard enable
    sysopt connection permit-ipsec
    crypto ipsec transform-set ESP-3DES-MD5 esp-3des esp-md5-hmac
    crypto dynamic-map outside_dyn_map 20 match address
    outside_cryptomap_dyn_20
    crypto dynamic-map outside_dyn_map 20 set transform-set ESP-3DES-MD5
    crypto map outside_map 65535 ipsec-isakmp dynamic outside_dyn_map
    crypto map outside_map interface outside
    isakmp enable outside
    isakmp policy 20 authentication pre-share
    isakmp policy 20 encryption 3des
    isakmp policy 20 hash md5
    isakmp policy 20 group 2
    isakmp policy 20 lifetime 86400
    vpngroup <my_group> address-pool BSIP
    vpngroup <my_group> dns-server 192.168.1.10 192.168.1.13
    vpngroup <my_group> default-domain <my_domain>
    vpngroup <my_group> split-tunnel outside_cryptomap_dyn_20
    vpngroup <my_group> idle-time 1800
    vpngroup <my_group> password ********
    telnet timeout 5
    ssh timeout 5
    console timeout 0
    dhcpd address 192.168.1.2-192.168.1.254 inside
    dhcpd lease 3600
    dhcpd ping_timeout 750
    dhcpd auto_config outside
    terminal width 80
    : end

    Thank you,

    Rohan
     
    Rohan, Nov 28, 2006
    #1
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  2. Rohan

    tweety Guest

    Hi this is way out my league,
    recently however configuring a cisco 2621xm i had to do a nonat route
    map

    i deny the internal traffic to remote lan and then permit the internal
    traffic ip any any
    probably of no help but maybe others will suggest the right solution

    hope you solve it soon friend

    Rohan wrote:

    > I have searched this group and the internet but cannot seem to see
    > anything wrong with my configuration (given below), yet clients
    > connecting to the pix cannot go out to the internet.
    >
    > The clients are using the Cisco VPN client 4.8.01.0300, the connection
    > is using "Enable transparent tunneling" - IPSec over UDP; also allowing
    > local LAN access.
    >
    > I am new to the whole pix, Cisco world - all of this configuration was
    > done using the PDM - when I finally enabled split-tunneling the PDM
    > told me that it had encountered a firewall config. command that it does
    > not support - apparently it does not support multiple uses of an ACL -
    > the ACL in question being "outside_cryptomap_dyn_20" which is being
    > applied to both the outside interface for IPSec traffic selection and
    > to the VPN client group for split tunneling.
    >
    > I would really appreciate it if someone could go over my configuration
    > and let me know what I am doing wrong.
    >
    > Result of firewall command: "show running-config"
    >
    > : Saved
    > :
    > PIX Version 6.3(5)
    > interface ethernet0 auto
    > interface ethernet1 auto
    > nameif ethernet0 outside security0
    > nameif ethernet1 inside security100
    >
    > fixup protocol dns maximum-length 512
    > fixup protocol ftp 21
    > fixup protocol h323 h225 1720
    > fixup protocol h323 ras 1718-1719
    > fixup protocol http 80
    > fixup protocol rsh 514
    > fixup protocol rtsp 554
    > fixup protocol sip 5060
    > fixup protocol sip udp 5060
    > fixup protocol skinny 2000
    > fixup protocol smtp 25
    > fixup protocol sqlnet 1521
    > fixup protocol tftp 69
    > names
    > access-list inside_outbound_nat0_acl permit ip any 192.168.1.0
    > 255.255.255.0
    > access-list outside_cryptomap_dyn_20 permit ip any 192.168.1.0
    > 255.255.255.0
    > pager lines 24
    > mtu outside 1500
    > mtu inside 1500
    > ip address outside <my_outside_address> <my_subnet_mask>
    > ip address inside 192.168.1.1 255.255.255.0
    > ip audit info action alarm
    > ip audit attack action alarm
    > ip local pool BSIP 192.168.1.100-192.168.1.200
    >
    > arp timeout 14400
    > global (outside) 10 interface
    > nat (inside) 0 access-list inside_outbound_nat0_acl
    > nat (inside) 10 0.0.0.0 0.0.0.0 0 0
    > route outside 0.0.0.0 0.0.0.0 <my_outside_address> 1
    > timeout xlate 0:05:00
    > timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 rpc 0:10:00 h225
    > 1:00:00
    > timeout h323 0:05:00 mgcp 0:05:00 sip 0:30:00 sip_media 0:02:00
    > timeout sip-disconnect 0:02:00 sip-invite 0:03:00
    > timeout uauth 0:05:00 absolute
    > aaa-server TACACS+ protocol tacacs+
    > aaa-server TACACS+ max-failed-attempts 3
    > aaa-server TACACS+ deadtime 10
    > aaa-server RADIUS protocol radius
    > aaa-server RADIUS max-failed-attempts 3
    > aaa-server RADIUS deadtime 10
    > aaa-server LOCAL protocol local
    > http server enable
    > http 192.168.1.0 255.255.255.0 inside
    > no snmp-server location
    > no snmp-server contact
    > snmp-server community public
    > no snmp-server enable traps
    > floodguard enable
    > sysopt connection permit-ipsec
    > crypto ipsec transform-set ESP-3DES-MD5 esp-3des esp-md5-hmac
    > crypto dynamic-map outside_dyn_map 20 match address
    > outside_cryptomap_dyn_20
    > crypto dynamic-map outside_dyn_map 20 set transform-set ESP-3DES-MD5
    > crypto map outside_map 65535 ipsec-isakmp dynamic outside_dyn_map
    > crypto map outside_map interface outside
    > isakmp enable outside
    > isakmp policy 20 authentication pre-share
    > isakmp policy 20 encryption 3des
    > isakmp policy 20 hash md5
    > isakmp policy 20 group 2
    > isakmp policy 20 lifetime 86400
    > vpngroup <my_group> address-pool BSIP
    > vpngroup <my_group> dns-server 192.168.1.10 192.168.1.13
    > vpngroup <my_group> default-domain <my_domain>
    > vpngroup <my_group> split-tunnel outside_cryptomap_dyn_20
    > vpngroup <my_group> idle-time 1800
    > vpngroup <my_group> password ********
    > telnet timeout 5
    > ssh timeout 5
    > console timeout 0
    > dhcpd address 192.168.1.2-192.168.1.254 inside
    > dhcpd lease 3600
    > dhcpd ping_timeout 750
    > dhcpd auto_config outside
    > terminal width 80
    > : end
    >
    > Thank you,
    >
    > Rohan
     
    tweety, Nov 29, 2006
    #2
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