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gratuitous    音标拼音: [grət'uətəs]
a. 免费的,无理由的

免费的,无理由的

gratuitous
adj 1: without cause; "a gratuitous insult"
2: costing nothing; "complimentary tickets"; "free admission"
[synonym: {complimentary}, {costless}, {free}, {gratis(p)},
{gratuitous}]
3: unnecessary and unwarranted; "a strikers' tent camp...was
burned with needless loss of life" [synonym: {gratuitous},
{needless}, {uncalled-for}]

Gratuitous \Gra*tu"i*tous\a. [L. gratuitus, from gratus
pleasing. See {Grate}, a., {Gratis.}]
1. Given without an equivalent or recompense; conferred
without valuable consideration; granted without pay, or
without claim or merit; not required by justice.
[1913 Webster]

We mistake the gratuitous blessings of Heaven for
the fruits of our own industry. --L'Estrange.
[1913 Webster]

2. Not called for by the circumstances; without reason,
cause, or proof; adopted or asserted without any good
ground; as, a gratuitous assumption.
[1913 Webster]

Acts of gratuitous self-humiliation. --De Quincye.
-- {Gra*tu"i*tous*ly}, adv. -- {Gra*tu"i*tous*ness}, n.
[1913 Webster]

180 Moby Thesaurus words for "gratuitous":
God-given, accorded, aimless, allowed, amorphous, arbitrary,
autonomous, baseless, bestowed, biggety, bluff, bottomless, brash,
capricious, casual, charitable, cheeky, chutzpadik, cocky,
complimentary, contemptuous, costless, crusty, de trop, derisive,
desultory, disarticulated, discontinuous, discretional,
discretionary, disjunct, disordered, dispensable, dispersed,
disproportionate, disrespectful, elective, eleemosynary, erratic,
excess, expendable, expenseless, expletive, facy, fitful, flip,
flippant, for free, for love, for nothing, formless, free,
free as air, free for nothing, free gratis, free of charge,
free of cost, free will, freebie, fresh, frivolous, gally,
giftlike, given, granted, gratis, groundless, haphazard,
hit-or-miss, immethodical, impertinent, impudent, in excess,
inchoate, incoherent, indefensible, independent, indiscriminate,
irrational, irregular, malapert, meaningless, misshapen, needless,
nervy, nonessential, nonmandatory, nonsymmetrical, nonsystematic,
nonuniform, offered, on the house, optional, orderless, pert,
planless, pleonastic, proffered, prolix, promiscuous, providential,
random, reasonless, redundant, rude, sassy, saucy, self-acting,
self-active, self-determined, self-determining, senseless,
shapeless, smart, smart-alecky, smart-ass, spare, spasmodic,
spontaneous, sporadic, straggling, straggly, supererogatory,
superfluous, systemless, tautologic, tautologous, to spare,
unarranged, unasked, unbesought, unbidden, unbought, uncalled-for,
unclassified, uncoerced, uncompelled, undirected, unessential,
unforced, unfounded, ungraded, ungrounded, uninfluenced, uninvited,
unjoined, unjustifiable, unjustified, unlooked-for, unmethodical,
unnecessary, unneeded, unordered, unorganized, unpaid-for,
unpressured, unprompted, unrequested, unrequired, unsolicited,
unsorted, unsought, unsupportable, unsymmetrical, unsystematic,
untaxed, ununiform, unwarranted, unwelcome, vague, verbose,
voluntary, volunteer, vouchsafed, wandering, wanton, willful,
willing, wise-ass, without charge


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  • Gratuitous ARP - Cisco Learning Network
    Gratuitous ARP means "hey there, I'm using this IP address" Gratuitous ARP (GARP) would be used to announce itself IP address and accordingly it would be useful to "correct" or refresh the ARP table on the other hosts and devices on the network and to to check for a duplicate IP address on the network as well
  • Cisco ASR BVI Question?
    Since I want to test the reachabillity between PE1 and CE router without breaking the l2vpn-PW, I'm thinking to configure a BVI if possible, Ex if I add the routed BVI on a bridge group bridge-domain does it affects or create an interruption on the pseudowire (l2vpn) circuit configured between PE1 to PE2?
  • Home - Cisco Community
    Cause This issue occurs when the Cisco switch has gratuitous ARPs enabled or the ArpProxySvc replied to all ARP requests incorrectly Resolution Note : Investigate the network configuration at the physical layer for the root cause
  • Duplicate address detection in HSRP - Cisco Learning Network
    Hi! In RFC 2281, you can read about Gratuitous ARP in HSRP Here is a fragment: In such circumstances, a router MAY use its normal MAC addresses as the virtual MAC address This method of operation is strongly discouraged In this mode, the virtual IP address will map to a different MAC address over time This can create problems for end stations, since ARP tables assume a relatively static
  • ARP request has destination MAC: 00:00:00:00:00:00 - Cisco Learning Network
    Hi Ruchit, I can explain your question as the following: - Target MAC address:00 00 because the sender is finding that MAC of particular host (Target IP address: 192 168 18 22) - [Is gratuitous: False]: in case, ARP Request is not Gratuitous ARP (GARP) With GARP, a broadcast packet is used by hosts to announce their IP address to the LAN to avoid duplicate IP addresses on the network (for
  • ARP though VLANS - Cisco Learning Network
    Yes In that reply, it will say that the L2 address to reach PC4's IP address is the local L2 address of R1 ARP replies are usually unicast (an exception being gratuitous ARPs, which can be sent as a broadcast) Keith Expand Post panjoshi Edited by Admin February 16, 2020 at 4:08 AM
  • Quesion regarding MAC address table when moving a host to a new port
    The networking stack in many operating systems will also issue a gratuitous ARP on an interface every time the link to that interface has been brought to the up state The gratuitous ARP then is used to preload the ARP table on all local hosts of the possibly new mapping between MAC and IP address Expand Post LikeLikedUnlike Reply Log In to Answer
  • IP DHCP Snooping DAI - VLAN spanning multiple switches.
    This assumption means that for wherever someone attaches into the VLAN, they are added into that particular switches DHCP snooping database and therefore cannot send a gratuitous ARP for someone else Another avenue is if the 'hacker' attaches to the VLAN and uses a static IP address to avoid getting added into the DHCP snooping table, giving them the ability to ARP poison hosts on other
  • dhcp redundancy - Cisco Learning Network
    The newly active router sends a gratuitous ARP response, but not all host implementations handle the gratuitous ARP correctly Proxy ARP breaks when use-bia is configured A standby router cannot cover for the lost proxy ARP database of the failed router Source: Hot Standby Router Protocol (HSRP): Frequently Asked Questions - Cisco Best regards!
  • Does a Layer 2 Switch requests ARP - Cisco Learning Network
    The Layer 2 Switch sends the IP address of a device in the ARP request and receives the device’s MAC address in an ARP reply





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