3 match as-path, 4 match community – Accton Technology ES4626 User Manual

Page 369

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here can define a “permit 0.0.0.0/0 ge 0 le 32” item after several defined “deny mode”

items so to grant the passage for all other routing messages.

Example:

Switch#config terminal

Switch(config)# ip prefix-list mylist seq 12345 deny 10.0.0.0/8 le 22 ge 14

13.2.3.3 match as-path

Command: match as-path <list-name>

no match as-path [<list-name>]

Function:

Configure the AS path domain for matching the BGP routing messages. The

no match as-path [<list-name>]” delete this configuration.

Parameter<list-name >

is the name of access-list

Command Mode: route-map mode

Usage Guide:

This command matches the AS path domain of the BGP routing message

following the rules specified in the as-path list. If the matching succeeded, then the

“permit” or “deny” action in the route-map is performed.

Example:

Switch#config terminal

Switch(config)#route-map r1 permit 5

Switch(config-route-map)#match as-path 60

13.2.3.4 match community

Command: match community <community-list-name | community-list-num >

[exact-match]

no match community [<community-list-name | community-list-num >

[exact-match]]

Function:

Configure the community attributes of BGP routing messages. The “no match

community [<community-list-name | community-list-num > [exact-match]]

command deletes this configuration.

Parameter: <community-list-name >

is the name of the community-list,

<community-list-num >

is the community-list sequence number, ranging between 1~99

Standard ACL)or 100~199(Extended ACL), [exact-match] means precise matching.

Command Mode: route-map mode

Usage Guide:

This command matches the community attributes of the BGP routing

message following the rules specified in the community list. If the matching succeeded,

then the “permit” or “deny” action in the route-map is performed.

Example:

Switch#config terminal

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