ISAKMP/IKE Phase 1 Connections
In the first part of this chapter I’ll focus on troubleshooting ISAKMP/IKE Phase 1 connections. If you recall from Chapter 3, “IPsec,” the management connections built during Phase 1 are used to pass IPsec management traffic; no data traverses these connections. These connections are important, however, because they are used to build the data connections for Phase 2.
I’ve broken this part of the chapter into three areas. In the first part, I discuss the commands used to troubleshoot ISAKMP/IKE Phase 1 connections; the two sections following this are specific to L2L and remote access implementations, respectively.
Overview of the Phase 1 Commands
You can use the following router commands to troubleshoot ISAKMP/IKE ...