Table of Contents
Chapter 11: Multilayer Switching
Assigning a VLAN ID...................................................................................................................236
Adding an MLS Interface to a VTP Domain................................................................................236
Enabling MLS on an Individual Interface.....................................................................................237
Disabling MLS on an External Router Interface...........................................................................237
Configuring the MLS Switch Engine..................................................................................................237
Re−enabling MLS on a Catalyst 6000..........................................................................................237
Re−enabling MLS on a Catalyst 5000..........................................................................................238
Disabling MLS on a Catalyst 6000...............................................................................................238
Disabling MLS on a Catalyst 5000...............................................................................................238
Configuring the MLS Cache on the Catalyst 5000.......................................................................238
Configuring Fast Aging on a Catalyst 5000..................................................................................238
Configuring Fast Aging on a Catalyst 6000..................................................................................238
Disabling Fast Aging on a Catalyst 6000......................................................................................238
Configuring Long Aging on the Catalyst 6000.............................................................................239
Disabling Long Aging on the Catalyst 6000.................................................................................239
Configuring Normal Aging on the Catalyst 6000.........................................................................239
Disabling Normal Aging on the Catalyst 6000.............................................................................239
Assigning MLS Management to an Interface on the Catalyst 5000..............................................239
Disabling MLS Management on an Interface on the Catalyst 5000.............................................239
Monitoring and Viewing the MLS Configuration...............................................................................240
Viewing the MLS Aging Configuration on a Catalyst 6000.........................................................240
Displaying the IP MLS Configuration..........................................................................................240
Viewing MLS−RPs.......................................................................................................................240
Viewing MLS−RP Specifics.........................................................................................................240
Displaying MLS VTP Domain Information..................................................................................241
Viewing the MLS VLAN Interface Information...........................................................................241
Viewing MLS Statistics on the Catalyst 5000...............................................................................241
Viewing MLS Statistics on the Catalyst 6000...............................................................................242
Viewing MLS Entries....................................................................................................................242
Chapter 12: Hot Standby Routing Protocol.................................................................................................243
In Depth...............................................................................................................................................243
Routing Problems................................................................................................................................243
Routing Information Protocol.......................................................................................................244
Proxy ARP.....................................................................................................................................244
ICMP Router Discovery Protocol.................................................................................................244
The Solution.........................................................................................................................................245
HSRP Message Format.................................................................................................................247
The HSRP States...........................................................................................................................247
HSRP Configuration............................................................................................................................248
HSRP Interface Tracking.....................................................................................................................248
Opening a Session on an Internal Route Processor.............................................................................249
Entering Configuration Mode on an RSM...........................................................................................249
Enabling HSRP and Assigning an IP Address to a Standby Group....................................................249
Assigning an HSRP Interface Priority.................................................................................................250
Assigning a Preempt Delay to a Standby Group.................................................................................250
Removing a Preempt Delay from a Standby Group............................................................................250
Setting the HSRP Hello and Hold Timers...........................................................................................250
Removing the HSRP Hello and Hold Timers......................................................................................251
Configuring a Clear−Text Password for HSRP Authentication..........................................................251
Configuring Two RSFC Interfaces as One HSRP Group....................................................................251
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