Crypto isakmp profile configuration

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Any use of actual IP addresses or phone numbers in illustrative content is unintentional and coincidental. Skip to content Skip to search Skip to footer. Book Contents Book Contents. Find Matches in This Book. Log in to Save Content. PDF - Complete Book 1. Updated: July 21, If an IP address is provided, the administrator has to ensure that the connection of the peer terminates to the address that is provided.

Enter your password if prompted. Step 2 configure terminal Example: Router configure terminal Enters global configuration mode. Step 5 match identity address address Example: Router conf-isa-profile match identity address Step 3 crypto keyring keyring-name Example: Router config crypto keyring keyring1 Defines a crypto keyring to be used during IKE authentication and enters keyring configuration mode. Step 5 pre-shared-key address address Example: Router conf-keyring pre-shared-key address The following is the key string used by the peer.

Access to most tools on the Cisco Support website requires a Cisco. All rights reserved. Was this Document Helpful? Yes No Feedback. Step 1. Enables privileged EXEC mode. Step 2. Step 3. Step 4. Step 5. Step 6. Defines a preshared key to be used for IKE authentication.

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Notify me of new comments via email. Notify me of new posts via email. Cisco networking. Skip to content. Home About. Part 5. IKEv2 basics. Part 6. IKEv2 crypto-map configuration Posted on I do not see reason to use Tunnel mode. Traffic selectors Access-lists are used for the identification of the traffic Traffic Selectors that is a subject to be transferred over IPSec.

R2-Spoke config-crypto-map match address acl-crypto R2-Spoke config-crypto-map set peer Like this: Like Loading Bookmark the permalink. Leave a Reply Cancel reply Enter your comment here Fill in your details below or click an icon to log in:.

Email required Address never made public. Name required. Create a free website or blog at WordPress. Follow Following. Sign me up. To disable the shared secret, use the no form of this command. AAA authorization list used for configuration mode attributes or preshared keys in the case of aggresive mode. To allow the gateway to send dead peer detection DPD messages to the peer, use the keepalive command in isakmp profile configuration mode.

To return to the default, use the no form of this command. Number of seconds between retries if DPD message fails. Use this command to enable the gateway instead of the client to send DPD messages to the client. The following example shows that DPD messages have been configured to be sent every 60 seconds and every 5 seconds between retries if the peer does not respond:. The keyring name, which must match the keyring name that was defined in the global configuration.

If no keyring is defined in the profile, the global keys that were defined in the global configuration are used. The following example shows that "vpnkeyring" is configured as the keyring name:. To specify the Rivest, Shamir, and Adelman RSA public key of the remote peer, use the key-string command in pubkey configuration mode.

To remove the RSA public key, use the no form of this command. To remove the identity, use the no form of this command. There must be at least one match identity command in an isakmp profile configuration. The following example shows that the match identity command is configured:. To define a preshared key to be used for Internet Key Exchange IKE authentication, use the pre-shared-key command in keyring configuration mode.

To disable the preshared key, use the no form of this command. IP address of the remote peer or a subnet and mask. The mask argument is optional. Keyring configuration. The following example shows how to configure a preshared key using an IP address and host name:. To exit from the key-string mode while defining the Rivest, Shamir, and Adelman RSA manual key to be used for encryption or signatures during Internet Key Exchange IKE authentication, use the quit command in public key configuration mode.

Specifies the IP address of the remote RSA public key of the remote peer that you will manually configure. To remove the manual key that was defined, use the no form of this command. Use this command to enter public key chain configuration mode. You need to specify the keys of other peers when you configure RSA encrypted nonces as the authentication method in an IKE policy at your peer router. To define the identity that the local Internet Key Exchange IKE uses to identify itself to the remote peer, use the self-identity command in isakmp profile configuration mode.

The user FQDN that is sent to the remote endpoint. To define the serial number for the Rivest, Shamir, and Adelman RSA manual key to be used for encryption or signatures during Internet Key Exchange IKE authentication, use the serial-number command in pubkey configuration mode. Defines a transform set, which is an acceptable combination of security protocols and algorithms.

To view a dynamic crypto map set, use the show crypto dynamic-map in EXEC mode. Optional Displays only the crypto dynamic map set with the specified map-name. Use the show crypto dynamic-map command to view a dynamic crypto map set. The following is sample output for the show crypto dynamic-map command:. The following partial configuration was in effect when the above show crypto dynamic-map command was issued:.

Optional Any existing SAs that were created for the crypto map set named map-name are displayed. Optional Only the flow information is displayed. It does not show the SA information. Optional All existing SAs created for an interface that is named interface are displayed. Optional All existing SAs with the peer address. Optional Detailed error counters are displayed. The default is the high-level send or receive error counters.

The "remote crypto endpt" and "in use settings" fields were modified to support NAT traversal. The interface keyword and interface argument were added. The peer keyword, the vrf keyword, and the fvrf-name argument were added. In addition, the address keyword was added to the peer keyword string.

The vrf keyword and ivrf-name argument were added. If no keyword is used, all SAs are displayed. They are sorted first by interface, and then by traffic flow for example, source or destination address, mask, protocol, or port. The following is sample output for the show crypto ipsec sa command:. The following configuration was in effect when the above show crypto ipsec sa vrf command was issued. To list the keyrings and their preshared keys, use the show crypto isakmp key command in EXEC mode.

The following is sample output for the show crypto isakmp key command:. The following configuration was in effect when the above show crypto isakmp key command was issued:. Table 1 describes significant fields in the show crypto isakmp key profile:.

Name of the crypto keyring. The global keys are listed in the default keyring. The virtual route forwarding VRF of the keyring. If the keyring does not have a VRF, an empty string is printed. The following is sample output for the show crypto isakmp profile command:. The following configuration was in effect when the above show crypto isakmp profile command was issued:. Table 2 describes significant fields in the display. Identities matched, are:. The following is sample output from the show crypto isakmp sa command after IKE negotiations have been successfully completed between two peers:.

Table 3 through Table 6 show the various states that may be displayed in the output of the show crypto isakmp sa command. It is "larval" at this stage—there is no state. The peers have exchanged Diffie-Hellman public keys and have generated a shared secret. The peers have done the first exchange in aggressive mode, but the SA is not authenticated.

It remains authenticated with its peer and may be used for subsequent quick mode exchanges. It is in a quiescent state. Table 6 describes significant fields shown in the display. To view the crypto map configuration, use the show crypto map in EXEC mode.

Optional Displays only the crypto map set applied to the specified interface. Optional Displays only the crypto map set with the specified map-name. The following is sample output for the show crypto map command:. The following configuration was in effect when the above show crypto map command was issued:.

Table 7 describes significant fields in the display. To remove the VRF, use the no form of this command. CA —certification authority. CA is an entity that issues digital certificates especially X. CLI —command-line-interface. CLI is an interface that allows the user to interact with the operating system by entering commands and optional arguments. DN —Distinguished Name.

FQDN —fully qualified domain name. A FQDN is the full name of a system rather than just its host name. For example, aldebaran is a host name, and aldebaran. FR —Frame Relay. FR is an industry-standard, switch-data-link-layer protocol that handles multiple virtual circuits using high-level data link HDLC encapsulation between connected devices. Frame Relay is more efficient than X. IDB —Interface descriptor block. An IDB subblock is an area of memory that is private to an application.

This area stores private information and states variables that an application wants to associate with an IDB or an interface. The application uses the IDB to register a pointer to its subblock, not to the contents of the subblock itself. IKE establishes a shared security policy and authenticates keys for services such as IPSec that require keys.

Before any IPSec traffic can be passed, each router, firewall, and host must verify the identity of its peer. This can be done by manually entering preshared keys into both hosts or by a CA service. This label instructs the routers and the switches in the network where to forward the packets based on preestablished IP routing information.

The RSA technique is a public-key cryptographic system that can be used for encryption and authentication. SA —Security Association. SA is an instance of security policy and keying material applied to a data flow. A VRF consists of an IP routing table, a derived forwarding table, a set of interfaces that use the forwarding table, and a set of rules and routing protocols that determine what goes into the forwarding table.

Note Refer to the Internetworking Terms and Acronyms for terms not included in this glossary. Feature History. Command or Action. Related Topic. Standards 1. MIBs 1. RFCs 1. Table 1 show crypto isakmp key Field Descriptions Field. Table 2 show crypto isakmp profile Field Descriptions Field. Table 6 show crypto isakmp sa Field Descriptions Field. Table 7 show crypto map Field Descriptions Field. Supported Platforms.

Enables privileged EXEC mode. Optional Specifies a one-line description of the keyring. Optional Defines a preshared key by address or host name. Enters into the text mode in which you define the public key. Specifies the public key.