Appendix B
Site to Site VPN Policies
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| Table | |||
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| DMVPN policy. | |||
Table | GRE Modes Page > DMVPN Policy | |||||
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| Description | ||
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| Routing Parameters Tab |
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| Routing Protocol |
| Select the required dynamic routing protocol, or static route, to be | |||
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| used in the DMVPN tunnel. | ||
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| Options include the EIGRP, OSPF, and RIPv2 dynamic routing | ||
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| protocols, and GRE static routes. | ||
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| also supported. | ||
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| be used in a | ||
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| connect to no other router other than the hub. If you are running | ||
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| dynamic protocols, | ||
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| network environment. | ||
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| For more information, see Prerequisites for Successful | ||
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| Configuration of GRE, page | ||
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| AS Number |
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| Available only if you selected the EIGRP routing protocol. | ||
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| The number that is used to identify the autonomous system (AS) | ||
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| area to which the EIGRP packet belongs. The range is | ||
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| default is 110. | ||
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| An autonomous system (AS) is a collection of networks that share | ||
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| a common routing strategy. An AS can be divided into a number of | ||
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| areas, which are groups of contiguous networks and attached hosts. | ||
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| Routers with multiple interfaces can participate in multiple areas. | ||
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| An AS ID identifies the area to which the packet belongs. All | ||
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| EIGRP packets are associated with a single area, so all devices must | ||
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| have the same AS number. | ||
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| Process Number |
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| Available only if you selected the OSPF routing protocol. | ||
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| The routing process ID number that will be used to identify the | ||
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| secured IGP that Security Manager adds when configuring | ||
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| DMVPN. | ||
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| The valid range for either protocol is | ||
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| User Guide for Cisco Security Manager 3.0.1 |
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