Thanks for your explanation.
But does that means that trustpoint defination in tunnel group is optional
for intiating tunnel? If I have only one trust point configured in ASA for
only one type connection i.e. L2L then can ASA initiate vpn tunnle without
trust point in tuneel group?

Regards,
D.M.Gore

On Mon, Sep 7, 2009 at 10:52 PM, Shawn H. Mesiatowsky <
[email protected]> wrote:

>  I believe using the trustpoint command in the crypto map statement is
> used for selecting a certificate to send if you have multiple trustpoints.
> Eg.
>
>
>
> You have an L2L for company use, and an l2l for business to business for
> extranet partners. You want to use your internal CA for company use and a
> third party external ca  for B2B. You would define 2 crypto maps. One for
> internal L2L, and one for B2B L2L. You would create two trustpoints as well.
> One for Internal ca and one for external ca. then you define which
> trustpoint to use with which crypto map. That is my interpretation for this
> command.
>
>
>
>
>
> *From:* [email protected] [mailto:
> [email protected]] *On Behalf Of *Kingsley Charles
> *Sent:* Monday, September 07, 2009 1:55 AM
> *To:* Dnyaneshwar Gore
> *Cc:* [email protected]
> *Subject:* Re: [OSL | CCIE_Security] VPN in ASA Ver8.0, Tunnel group
>
>
>
> Hi D.M.Gore
>
>
>
> Yes, even I noticed it. This commands makes the certificate available in
> IKE. As per the syntax, this is valid only when the connection is initiated.
> I think,
>
> if LAN to LAN IPSec should respond (bi-directional connection) then we
> should use trustpoint in the tunnel group.
>
>
>
> Let's wait for other's input.
>
>
>
> asa(config)# crypto map mine 2 set ?
>
> configure mode commands/options:
>   connection-type       Specify connection-type for site-site connection
> based
>                         on this entry
>   inheritance           Specify inheritance(data or acl rule) to be used
> while
>                         initiating a connection based on this entry
>   nat-t-disable         Disable nat-t negotiation for connections based on
> this
>                         entry
>   peer                  Set IP address of peer
>   pfs                   Specify pfs settings
>   phase1-mode           Specify mode(main or aggressive) to be used while
>                         initiating a connection based on this entry
>   reverse-route         Enable reverse route injection for connections
> based on
>                         this entry
>   security-association  Security association duration
>   transform-set         Specify list of transform sets in priority order
>   trustpoint            Specify trustpoint that defines the certificate to
> be
>                         used while initiating a connection based on this
> entry
>
>
>
>
>
> asa(config)# tunnel-group mine ipsec-attributes
> asa(config-tunnel-ipsec)# ?
>
> tunnel-group configuration commands:
>   chain             Enable sending certificate chain
>   exit              Exit from tunnel-group IPSec attribute configuration
> mode
>   help              Help for tunnel group configuration commands
>   isakmp            Configure ISAKMP policy
>   no                Remove an attribute value pair
>   peer-id-validate  Validate identity of the peer using the peer's
> certificate
>   pre-shared-key    Associate a pre-shared key with the connection policy
>   trust-point       Select the trustpoint that identifies the cert to
> besent to
>                     the IKE peer
>
>
>
>
> On Mon, Sep 7, 2009 at 8:32 AM, Dnyaneshwar Gore <[email protected]>
> wrote:
>
> Hi All,
>
>
>
> In Lan to Lan IPsec type, Is tunnel group unidirectional only for incoming
> traffic?
>
>
>
> I am asking this quetsion because in case of certificate based
> authentication, follwoing command is used to initiate tunnel from ASA side
>
> "crypto map VPN 10 set trustpoint *remote peer ID"*
>
>
>
>
>
>
>
> Regards,
>
> D.M.Gore
>
>
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>
>
>
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>
>
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