Enterasys Networks Security Router X-PeditionTM User Manual

Page 18

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Filter Lists ......................................................................................................................................... 6-12
Community Lists ............................................................................................................................... 6-12
Route Maps ...................................................................................................................................... 6-12
Regular Expressions ........................................................................................................................ 6-13
Regular Expression Characters........................................................................................................ 6-13
Regular Expression Examples ......................................................................................................... 6-13
Peer Groups ..................................................................................................................................... 6-14

Initial BGP Configuration ........................................................................................................................ 6-15
Adding BGP Neighbors .......................................................................................................................... 6-15
Resetting BGP Connections .................................................................................................................. 6-15
Synchronization ...................................................................................................................................... 6-16
Address Aggregation .............................................................................................................................. 6-16
Route Flap Dampening .......................................................................................................................... 6-16

Recommendations for Route Flap Dampening ................................................................................ 6-17

Capability Advertisement ....................................................................................................................... 6-17
Route Refresh ........................................................................................................................................ 6-17
Scaling BGP ........................................................................................................................................... 6-18

Route Reflectors............................................................................................................................... 6-19
Confederations ................................................................................................................................. 6-20

Displaying System and Network Statistics ............................................................................................. 6-21

Configuring BGP Route Maps ...................................................................................................................... 6-22

Configuring BGP Neighbors ................................................................................................................... 6-23
BGP Path Filtering by Neighbor Example .............................................................................................. 6-23
BGP Aggregate Route Examples ........................................................................................................... 6-24
Configuring BGP Confederations ........................................................................................................... 6-24
TCP MD5 Authentication for BGP Example ........................................................................................... 6-25

Configuring BGP Peer Groups ..................................................................................................................... 6-25

IBGP Peer Group Example .................................................................................................................... 6-25
EBGP Peer Group Example ................................................................................................................... 6-26
BGP Community with Route Maps Examples ........................................................................................ 6-26

Chapter 7: Configuring PIM-SM and IGMP

Features ......................................................................................................................................................... 7-1

Differences with Industry-Standard Approach .......................................................................................... 7-1

IP Multicast Overview ..................................................................................................................................... 7-2

Defining Multicast Group Addressing ....................................................................................................... 7-2
Outlining IGMP Versions .......................................................................................................................... 7-3
Comparing Multicast Distribution Trees ................................................................................................... 7-3
Forwarding Multicast Traffic ..................................................................................................................... 7-4

Describing the XSR’s IP Multicast Features ................................................................................................... 7-4

Group Membership Actions ...................................................................................................................... 7-5
Sending and Receiving Queries and Reports .......................................................................................... 7-5

Sending a Query................................................................................................................................. 7-5
Receiving a Query .............................................................................................................................. 7-6
Receiving a Report ............................................................................................................................. 7-6
Source-Specific Forwarding Rules ..................................................................................................... 7-6

Interoperating with Older IGMP Versions ................................................................................................. 7-6

Query Version Distinctions ................................................................................................................. 7-6
Behavior of Group Members Among Older Version Queriers ............................................................ 7-6
Behavior of Group Members Among Older Version Group Members ................................................ 7-7
Behavior of Multicast Routers Among Older Version Queriers .......................................................... 7-7
Behavior of Multicast Routers Among Older Version Group Members .............................................. 7-7