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If the route was learned from an external peer the per-neighbor BGP process computes a LOCAL_PREFERENCE value from local policy rules and then compares the LOCAL_PREFERENCE of all routes from the neighbor.
Some Related Sentences
If and route
If this is his route, in all likelihood he did not actually circumnavigate Britain, but returned along the coast of Germany, accounting for his somewhat larger perimeter.
If a given route is withdrawn by a neighbor, and there is no other route to that destination, the route is removed from the Loc-RIB, and no longer sent, by BGP, to the main routing table manager.
If the router does not have a route to that destination from any non-BGP source, the withdrawn route will be removed from the main routing table.
# If at least one route was learned from an external neighbor ( i. e., the route was learned from EBGP ), drop all routes learned from IBGP.
If two neighbors advertised the same route, but one neighbor is reachable via a low-bitrate link and the other by a high-bitrate link, and the interior routing protocol calculates lowest cost based on highest bitrate, the route through the high-bitrate link would be preferred and other routes dropped.
If there is more than one route still tied at this point, several BGP implementations offer a configurable option to load-share among the routes, accepting all ( or all up to some number ).
# If the destination node has been marked visited ( when planning a route between two specific nodes ) or if the smallest tentative distance among the nodes in the unvisited set is infinity ( when planning a complete traversal ), then stop.
If the node cannot directly connect to the destination node, it has to send it via other nodes along a proper route to the destination node.
If there exists no route back to the source address, the packet is assumed to be malformed or involved in a network attack, and is dropped.
If the rider has a refusal at the direct route, he may jump the other B element without additional penalty than incurred for the refusal.
If this route, virtually the only solid ground on which heavy cavalry could be effectively deployed, were to be denied to the English, they would have no choice but to wheel right to the north-east, on to the Carse.
If, for a destination, a neighbor router advertises a distance that is strictly lower than our feasible distance, then this neighbor lies on a loop-free route to this destination.
If, for a destination, a neighbor router tells us that it is closer to the destination than we have ever been, then this neighbor lies on a loop-free route to this destination.
If generation of phenotypes is conditional, and dependent on external or environmental inputs, evolution can proceed by a " phenotype-first " route, with genetic change following, rather than initiating, the formation of morphological and other phenotypic novelties.
If the APU or its electrical generator is not available, the aircraft cannot be released for ETOPS flight and is forced to take a longer non-ETOPS route.
If he hoped for such a marriage as a route to power, he was unsuccessful, though his secret marriage to Katherine Parr, Elizabeth's guardian, in late April 1547 was viewed by some as an attempt to become close to the young princess.
It remained the official airline of Walt Disney World, which even had an Eastern-themed ride at its park ( If You Had Wings in Tomorrowland where Buzz Lightyear's Space Ranger Spin is currently located ), until its contracting route network forced Disney to switch to Delta shortly before Eastern's 1989 bankruptcy filing.
If a truck gets off its route, or is delayed, the truck can be diverted to a better route, or urgent loads that are likely to be late can be diverted to air freight.
If and was
If, when this was all over, she found the words to tell him about it, she wondered if he would ever understand.
If it were not that I knew who it was I could have mistaken it for my Aunt so well did her clothes fit him.
If Franklin was an authentic genius, then Alexander Hamilton, with his exceptional precocity, consuming energy, and high ambition, was a political prodigy.
`` If you can conveniently let me have twenty dollars '', he wrote one friend in 1791 when he was Secretary of the Treasury.
If an automobile were approaching him, he would know what was required of him, even though he might not be able to act quickly enough.
If there was ever a thought in her mind she might devote her life to religion, it was now dispelled.
If his scholarship and formal musicianship were not all they might have been, Mercer demonstrated at an early age that he was gifted with a remarkable ear for rhythm and dialect.
If, as Reid says, `` nearly all his poetry was produced when he was not taking opium '', there may be some reason to doubt that he was under its influence in the period from 1896 to 1900 when he was writing the poems to Katie King and making plans for another book of verse.
If Robinson was a liar and a slanderer, he was also a very canny gentleman, for nothing that Pike could do would pry so much as a single word out of him.
If his circumspection in regard to Philip's sensibilities went so far that he even refused to grant a dispensation for the marriage of Amadee's daughter, Agnes, to the son of the dauphin of Vienne -- a truly peacemaking move according to thirteenth-century ideas, for Savoy and Dauphine were as usual fighting on opposite sides -- for fear that he might seem to be favoring the anti-French coalition, he would certainly never take the far more drastic step of ordering the return of Gascony to Edward, even though, as he admitted to the English ambassadors, he had been advised that the original cession was invalid.
If the historian was convinced of his own correctness, then he should not allow his vision to become fogged by disturbing facts.
If he had any worries, it was only the small ones, about Mother in New York, and his daughter Edwina and what she might be doing at this hour, with her Aunt Asia, in Philadelphia.
If and learned
`` If I thought you were serious about going back to school, that you'd learned something from your experiences here and at Hanover -- well, I might consider such an offer.
If he didn't meet Pitman, Severin points out that Defoe, upon submitting even a draft of a novel about a castaway to his publisher, would undoubtedly have learned about Pitman's book published by his father, especially since the interesting castaway had previously lodged with them at their former premises.
If one asks an expert for the rules he or she is using, one will, in effect, force the expert to regress to the level of a beginner and state the rules learned in school.
If the bell was sounded in close association with their meal, the dogs learned to associate the sound of the bell with food.
If an appropriate form of written text is made available before formal schooling begins, reading should be learned inductively, emerge naturally, and with no significant negative consequences.
If the teacher said that the learner clearly wants to stop, the experimenter replied, " Whether the learner likes it or not, you must go on until he has learned all the word pairs correctly, so please go on ".
" If I have learned a formula in gibberish which in any way jogs my memory so as to enable me in each single case to act as though I had a general idea, what possible utility is there in distinguishing between such a gibberish ... and an idea?
If the learned patterns do not meet the desired standards, then it is necessary to re-evaluate and change the pre-processing and data mining steps.
If the learned patterns do meet the desired standards, then the final step is to interpret the learned patterns and turn them into knowledge.
:" If thou wilt receive profit, read with humility, simplicity, and faith, and seek not at any time the fame of being learned.
If a pidgin manages to be learned by the children of a community as a native language, it may become fixed and acquire a more complex grammar, with fixed phonology, syntax, morphology, and syntactic embedding.
If it were to spearhead the new culture that he aspired for, Aoki realised that he needed system that could be learned relatively easily.
If it had been applied comprehensively to new building construction beginning in 1980 ( based on 1970's lessons learned ), America could be saving over $ 250, 000, 000 per year on expensive energy and related pollution today.
If you even mouth the words silently, suddenly what seemed incomprehensible ( Hubert Butler called it " Joyce's learned gibberish ,") leaps into referential meaning, by its sound, since page after page is rich in allusion to familiar phrases, parables, sayings of all kinds – and the joyous and totally brilliant wordplay, over and over again imperceivable until you actually listen to it – transforms what was an unrelievable agony into an adventure.
If you were to take a dog that has learned not to eliminate indoors to a different house, it would still know not to eliminate there.
If bacteria that had overcome their own inability to consume lactose passed on this " learned " trait to future generations, it could be argued as a form of Lamarckism ; though Cairns later chose to distance himself from such a position.
She was to write later, " If I had not married I should not have learned the quick enrichment of sentences that one gets in conversation ; had I not been widowed I should not have found the detachment of mind, the leisure for observation necessary to give insight into character, to express and interpret it.
When asked in a 2001 Canadian Broadcasting Corporation documentary on the resurgence of the PC Party if he would ever consider running for the PC leadership, MacKay quipped, " If there's one thing I've learned in politics it's ' never say never.
If the participant is successful in this task, they have distinguished between the previously learned words and the lure words.