default DNS does not not in l2tp/ipsec

Hi all

We have Setup l2tp on asa, everything works except the default domain that is not defined. This is necessary because all the links does not provide full dns:

It's cisco config:

IP mask 255.255.255.224 local pool ClientVPNAddressPool 172.16.31.1 - 172.16.31.32

Dynamic crypto map SYSTEM_DEFAULT_CRYPTO_MAP 65535 set transform-set TRANS_ESP_3DES_SHA TRANS-ESP-3DES-MD5 ikev1

card crypto PublicTESA_map 65535-isakmp dynamic ipsec SYSTEM_DEFAULT_CRYPTO_MAP

PublicTESA_map PublicTESA crypto map interface

internal DefaultRAGroup group strategy

attributes of Group Policy DefaultRAGroup

value of server DNS X.X.X.X Y.Y.Y.Y

Protocol-tunnel-VPN l2tp ipsec

value by default-field AAA. BBBBBBB

the address value ClientVPNAddressPool pools

It's windows ipconfig/all:

Useful PPP VPN from Cisco ASA :--> name of the connection

Sufijo DNS specific para the conexion. . :--> suffix DNS specific connections (in WHITE)

Descripción...: Cisco ASA VPN--> description

Dirección física... :--> physiqueet address

DHCP enable...: don't--> active dhcp

Automatica habilitada... config: if--> active auto config

172.16.31.1 (Preferido) IPv4 address... :--> IP address

Subred... mascara:--> netmask 255.255.255.255

Puerta of enlace... by default: 0.0.0.0--> default GW

Servidores DNS...: X.X.X.X--> dns servers

Y.Y.Y.Y

Sober NetBIOS TCP/IP...: enable--> net bios on tcp active

Thank you!

Hi Jose,

L2TP over IPsec will not be able to receive the DNS suffix.

This is a limitation of the PPP. More information:

http://cdetsweb-PRD.Cisco.com/apps/dumpcr?identifier=CSCse74376&parentprogram=QDDTS

Marcin

Tags: Cisco Security

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