By Cristian Matei
As a last examination training device, the CCNP defense VPN 642-648 quickly Reference offers a concise evaluation of all goals at the new CCNP protection VPN examination (642-648). This e-book offers you designated, graphical-based details, highlighting in basic terms the main themes in cram-style format.
With this rfile as your advisor, you'll assessment subject matters on deploying Cisco ASA-based VPN recommendations. This fact-filled quickly Reference helps you to get all-important details at a look, aiding you to concentration your examine on components of weak spot and to reinforce reminiscence retention of crucial examination innovations.
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Extra resources for CCNP Security VPN 642-648 Quick Reference
5 Type : L2L Rekey : no Encrypt : aes Auth : preshared Lifetime Remaining: 29763 Role : State : Hash : Lifetime: initiator MM_ACTIVE SHA 86400 STEP 4. Verify IKEv1 Phase 2 or IKEv2 child SA negotiation. Check that bidirectional SAs exist (see Example 2-2). If SAs are not established, verify Phase 2 configuration on both ends. Use the debug crypto ipsec command to investigate the negotiation issues. 5 path mtu 1500, ipsec overhead 74, media mtu 1500 current outbound spi: 0773F60F current inbound spi : 604B711F © 2012 Pearson Education, Inc.
As a general rule, when ASDM examples are given throughout this book, notice that the following actions are not covered even though needed at each configuration step (see Figure 1-3): ■ OK button used to close a window as part of a new configuration section. ■ Apply button used to save the modifications from ASDM into running-configuration of ASA. ■ Save button used after Apply to save changes into the startup configuration of ASA. © 2012 Pearson Education, Inc. All rights reserved. This publication is protected by copyright.
This publication is protected by copyright. Please see page 219 for more details. [ 52 ] Chapter 2: Deploying Cisco ASA IPsec VPN Solutions STEP 2. Configure a crypto map that actually binds together all IKEv1 Phase 2 or IKEv2 child SA required attributes: ■ ACL defined in Step 1. ■ Crypto peer IPv4/IPv6 address, which is a remote VPN gateway. ■ IKEv1 transform set / IKEv2 IPsec proposals, to define the protocol and algorithms used to protect data traffic. ■ Optionally, enable Perfect Forward Secrecy (PFS) so that a new Diffie-Hellman (D-H) exchange takes place to derive IKEv1 Phase 2 / IKEv2 child SA keys, instead of deriving it from the IKEv1 Phase 1 / IKEv2 parent SA master key.
CCNP Security VPN 642-648 Quick Reference by Cristian Matei