Which command will match communities 101:111, 111:1, and 999:1111?

The correct answer is D. set policy-options community COMMUNITY members ''^... :1+''. Period (.)--A wildcard character that matches any single digit in an AS number. + stands for one or more repetitions of term. ? stands for zero or one repetition of term. bgp-communities-and-extended-communities-for-use-in-routing-policy-match-conditions.html#id-

Advanced BGP

Question

Options

Aset policy-options comminity COMMUNITY members ''^... :1?''
Bset policy-options community COMMUNITY members ''^1.*:1+''
Cset policy-options community COMMUNITY members [''^1.1:1?'' 999:1111]
Dset policy-options community COMMUNITY members ''^... :1+''

How the community answered

(65 responses)

A
5% (3)
B
3% (2)
C
12% (8)
D
80% (52)

Explanation

Period (.)--A wildcard character that matches any single digit in an AS number. + stands for one or more repetitions of term. ? stands for zero or one repetition of term. bgp-communities-and-extended-communities-for-use-in-routing-policy-match-conditions.html#id-

Topics

#BGP communities#regex#routing policy#pattern matching

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