Cisco IOS Mobile Wireless Home Agent Configuration Guide,Cisco IOS Release 15.1M&T

Network Management, MIBs, and SNMP on the Home Agent

This chapter contains information pertaining to various aspects of Network Management on the
Cisco Mobile Wireless Home Agent.

This chapter includes the following sections:

•Operating and Maintaining the Cisco Mobile Wireless Home Agent

•Statistics

•SNMP, MIBs and Network Management

•Conditional Debugging

•Monitoring and Maintaining the HA

Operating and Maintaining the Cisco Mobile Wireless Home Agent

This section describes configuration details, statistics, and MIBs supported by the Home Agent. A definitive description of each Mobile IP command can be found at the following URL: http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122cgcr/fipras_r/1rfmobip.htm

The Home Agent can be managed using either the Cisco IOS CLI or using Cisco Works for Mobile Wireless.

Cisco's Mobile Wireless Home Agent has the following configurable parameters:

•Managing user profiles (local users)

•Configuring IP pools locally

•Configuring security associations with communicating nodes

•Configuring ingress/egress filtering

•Configuring mobile binding updates

•Configuring routing information

Statistics

The Mobile Wireless Home Agent maintains statistics on a global basis for the following parameters:

•Advertisements, received and sent

•Registrations, requests and replies

•Registrations, accepted and denied

•Bindings

•Binding Updates

•Gratuitous and Proxy ARPs

•Route Optimization Binding Updates

The Mobile Wireless Home Agent maintains statistics on a per FA-HA tunnel basis for the following parameters:

•Source and Destination IP address of the tunnel

•Tunnel Type, IPinIP or GRE

•Reverse Tunneling allowed

•Number of Users using that tunnel

•Traffic sent on the tunnel, packets and bytes

•Traffic received on the tunnel, packets and bytes

The Mobile Wireless Home Agent maintains statistics per host, identified by NAI or home IP address, for the following parameters:

•Lifetime

•Session duration

•Traffic transmitted to the host, packets and bytes

•Traffic received from the host on the reverse tunnel, packets and bytes

Note The statistics can be cleared from the CLI. The MIB counters are not cleared.

SNMP, MIBs and Network Management

The HA implements SNMPv2 as specified in the suite of protocols: RFC 1901 to RFC 1908. The Home Agent supports the MIB defined in "The Definitions of Managed Objects for IP Mobility Support UsingSMIv2," RFC 2006, October 1995. An additional Cisco MIB, CISCO- MOBILE-IP-MIB provides enhanced management capabilities. The RADIUS MIB, as defined in RADIUS Authentication Client MIB, RFC 2618, June 1999. A full list of MIBs that are supported on the Ciscco 7200 Internet Router, Cisco 7600 Switch and Cisco 6500 Catalyst series platforms can be found at the following URL: http://www.cisco.com/public/sw-center/netmgmt/cmtk/mibs.shtml

Session counters maintained in the MIB cannot be reset using SNMP or the Cisco IOS CLI. Home Agent CPU and Memory Utilization counters are accessible using the CISCO-PROCESS-MIB.

Release 3.0 adds a Home Agent Version MIB Object.

Conditional Debugging

The HA supports conditional debugging based on NAI, as well as conditional debugging based on the MN's home address. Only AAA and Mobile IP components will support conditional debugging.

From the CLI, it is possible to trace activity of all or a particular user identified by NAI. Monitoring the activity of a particular user, called conditional debugging, will display the user activity related to Mobile IP messages and the RADIUS messages.

This release provides an option to display the condition (username/IMSI), along with each debug statement. This helps to match a debug statement to its condition. To enable this feature, use the following command:

ip mobile debug include username

The following MobileIP debugs are supported for conditional debugging:

•debug ip mobile

•debug ip mobile host

The following AAA debugs are supported for conditional debugging:

•debug aaa authentication

•debug aaa authorization

•debug aaa accounting

•debug aaa ipc

•debug aaa attr

•debug aaa id

•debug aaa subsys

The following RADIUS debugs are supported for conditional debugging:

•debug radius

•debug radius accounting

•debug radius authentication

•debug radius retransmit

•debug radius failover

•debug radius brief

Monitoring and Maintaining the HA

To monitor and maintain the HA, use the following commands in privileged EXEC mode: