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Routing Policies

Configuration Guide, 17.2.0

November 2017 Supporting AT&T Vyatta Network Operating System

AT&T Vyatta 5600 vRouter Routing Policies Configuration Guide, 17.2.0

Contents

About This Guide.......................................................................................................................................................................................................................... 9

Routing Policy Overview....................................................................................................................................................................................................... 10

Routing policy..................................................................................................................................................................................................................... 10

Routing policy configuration examples...................................................................................................................................................................... 11

Filtering routes using access lists......................................................................................................................................................................... 11

Basic RIP configuration...................................................................................................................................................................................... 11

Verifying the RIP configuration................................................................................................................................................................... 12

Creating a route filtering policy.................................................................................................................................................................. 13

Applying a route filtering policy................................................................................................................................................................. 14

Verifying the route filtering policy configuration........................................................................................................................... 15

Filtering inbound routes using prefix lists...................................................................................................................................................... 15

Prefix list configuration..................................................................................................................................................................................... 15

Verifying the inbound filter............................................................................................................................................................................ 19

Filtering outbound routes using AS path lists............................................................................................................................................. 21

As-path-list configuration............................................................................................................................................................................... 21

Verifying the outbound filter....................................................................................................................................................................... 26

Routing Policy Commands.................................................................................................................................................................................................. 28

policy route access-list................................................................................................................................................................................................ 28

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AT&T Vyatta 5600 vRouter Routing Policies Configuration Guide, 17.2.0

policy route access-list description.................................................................................................................................................................... 28

policy route access-list rule..................................................................................................................................................................................... 29

policy route access-list rule action..................................................................................................................................................................... 29

policy route access-list rule description......................................................................................................................................................... 30

policy route access-list rule destination.......................................................................................................................................................... 31

policy route access-list rule source.................................................................................................................................................................... 32

policy route access-list6............................................................................................................................................................................................. 33

policy route access-list6 description................................................................................................................................................................. 33

policy route access-list6 rule.................................................................................................................................................................................. 34

policy route access-list6 rule action.................................................................................................................................................................. 34

policy route access-list6 rule description...................................................................................................................................................... 35

policy route access-list6 rule source................................................................................................................................................................. 36

policy route as-path-list............................................................................................................................................................................................. 37

policy route as-path-list description................................................................................................................................................................. 38

policy route as-path-list rule.................................................................................................................................................................................. 38

policy route as-path-list rule action.................................................................................................................................................................. 39

policy route as-path-list rule description...................................................................................................................................................... 40

policy route as-path-list rule regex................................................................................................................................................................... 40

policy route community-list [standard | expanded ]{ | }...................................................................................................................... 41

policy route community-list [standard | expanded ]{ | } description.......................................................................................... 42

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AT&T Vyatta 5600 vRouter Routing Policies Configuration Guide, 17.2.0

policy route community-list [standard | expanded ]{ | } rule............................................................................................................ 43

policy route community-list standard { | } rule community.............................................................................................................. 43

policy route community-list [standard | expanded ]{ | } rule action............................................................................................ 45

policy route community-list expanded { | } rule regex......................................................................................................................... 46

policy route extcommunity-list [standard | expanded ]{ | } rule action.................................................................................... 47

policy route extcommunity-list [ standard | expanded ] { <list-num> | <list-name> } rule <rule-num>

description <desc>........................................................................................................................................................................................................ 48

policy route extcommunity-list expanded { | } rule regex.................................................................................................................. 49

policy route extcommunity-list standard { | } rule rt............................................................................................................................. 50

policy route extcommunity-list standard { | } rule soo......................................................................................................................... 51

policy prefix-list................................................................................................................................................................................................................. 52

policy prefix-list description.................................................................................................................................................................................... 52

policy prefix-list rule...................................................................................................................................................................................................... 53

policy prefix-list rule action...................................................................................................................................................................................... 53

policy prefix-list rule description......................................................................................................................................................................... 54

policy prefix-list rule ge.............................................................................................................................................................................................. 55

policy prefix-list rule le................................................................................................................................................................................................ 55

policy prefix-list rule prefix...................................................................................................................................................................................... 56

policy prefix-list6.............................................................................................................................................................................................................. 57

policy prefix-list6 description................................................................................................................................................................................. 58

policy prefix-list6 rule................................................................................................................................................................................................... 58

policy prefix-list6 rule action.................................................................................................................................................................................. 59

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AT&T Vyatta 5600 vRouter Routing Policies Configuration Guide, 17.2.0

policy prefix-list6 rule description...................................................................................................................................................................... 60

policy prefix-list6 rule ge........................................................................................................................................................................................... 60

policy prefix-list6 rule le............................................................................................................................................................................................. 61

policy prefix-list6 rule prefix.................................................................................................................................................................................... 62

policy route route-map............................................................................................................................................................................................... 62

policy route route-map description................................................................................................................................................................... 63

policy route route-map rule.................................................................................................................................................................................... 63

policy route route-map rule action................................................................................................................................................................... 64

policy route route-map rule continue.............................................................................................................................................................. 65

policy route route-map rule description........................................................................................................................................................ 66

policy route route-map rule match as-path................................................................................................................................................ 66

policy route route-map rule match community....................................................................................................................................... 67

policy route route-map rule match extcommunity............................................................................................................................... 68

policy route route-map rule match interface............................................................................................................................................. 69

policy route route-map rule match ip address.......................................................................................................................................... 70

policy route route-map rule match ip nexthop......................................................................................................................................... 71

policy route route-map rule match ip peer.................................................................................................................................................. 72

policy route route-map rule match ipv6 address..................................................................................................................................... 73

policy route route-map rule match ipv6 nexthop................................................................................................................................... 74

policy route route-map rule match metric................................................................................................................................................... 75

policy route route-map rule match origin..................................................................................................................................................... 75

policy route route-map rule match tag.......................................................................................................................................................... 76

October 24, 2017

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