Avaya Configuring IP Exterior Gateway Protocols (BGP and EGP) Uživatelský manuál stáhnout pdf (Strana 269)

Converting Cisco to Nortel Networks Equivalents

308628-15.0 Rev 00

B-13

Nortel Networks AS Path Pattern-Matching Symbols

Table B-5 summarizes the symbols used in Nortel Networks AS path

pattern-matching.

Table B-5. Nortel Networks AS Path Pattern-Matching Symbols

Symbol or

Operator Meaning

< Denotes beginning of an AS sequence segment

> Denotes end of an AS sequence segment

{ Denotes beginning of an AS set segment

} Denotes end of an AS set segment

. (period) Matches any single character, including white space

seq

set

} Denotes an AS path containing a sequence in the first segment and a

set in the second segment

$ Denotes the preceding pattern occurs at the end of the AS path

| Denotes logical OR — match this or that

_ Matches exactly the AS specified by

Matches the AS pattern beginning with

(for example, “_99”

matches 99, 991, 9934)

_ Matches the AS pattern ending with

(for example, “99_” matches

99,199, 23299)

1 2 ... 264 265 266 267 268 269 270 271 272 273 274 275 276

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Avaya Configuring IP Exterior Gateway Protocols (BGP and EGP) Uživatelský manuál Strana 269