Re: [Lug-bg] ïðîáëåì ïðè êîïèðàíå íà ãîëåìè ôàéëîâå ìåæäó VLAN-è

["Vassil Petkov Davidov" <ace@xxxxxxxxxxxxx>]

Ìîì÷åòà èçâèíÿâàì ñå çà
encoding-à â÷åðà.

Íàïðàâèõ îïèò, ïóñíàõ ethereal íà åäíàòà ìàøèíà äà âèæäàì, êàêâî ñòàâà â
äåéñâèòåëíîñò. Âñè÷êî ðàáîòè äîáðå â íà÷àëîòî, äâàòà õîñòà ñè îáìåíÿò
ãîëåìèÿ ôàéë ìåæäó äâåòå ïîäìðåæè. Èäâà åäèí ìîìåíò, êîãàòî âðúçêàòà ìåæäó
äâàòà õîñòà ñïèðà, òîâà êîåòî âèæäàì ïðåäè äà äàäå ãðåøêà windows-à åäèíèÿ
õîñò èçïðàùà TCP ZeroWindow, è ñëåä òîâà èçëèçà ñúîáùåíèå: "the specified
netwok name is no longer avaible". Ñïîðåä ìåí ïðîáëåìà ìîæå äà èäâà îò
äðàéâåðà íà ëàí êàðòàòà 3com Gigabit Ethernet.

Íÿêîé äà å ïîëçâàë òàêàâà ëàí êàðòà çàêà÷åíà êúì ãèãàáèòîâ ïîðò íà ñóè÷,
êîéòî ïîðò äà îáåäèíÿâà íÿêîëêî ïîäìðåæè (Trunk)?


> On 11/30/07, Georgi Alexandrov <georgi.alexandrov@xxxxxxxxx> wrote:
>>
>> Rossen Antonov wrote:
>> > Íà åäèí ïîðò íà äàäåí ñóèò÷ íå ìîæåø äà
>> èìàø ïîâå÷å îò åäèí untagged
>> > VLAN. Ïðèíöèïíî äîðè è åäèí å íåïðàâèëíî
>> ñïîðåä ñòàíäàðòèòå, íî ïðè
>> > íÿêîé ïðîèçâîäèòåëè ñòàâà.
>> <snip>
>>
>> Ñòàíäàðòà(1) êàçâà "optional":
>>
>> "A separate Static VLAN Registration Entry with a distinct Port Map may
>> be created for each VLAN. All
>> Bridges shall be capable of supporting all values for each control
>> element for all Static VLAN Registration
>> Entries; however, the ability to support more than one untagged VLAN on
>> egress on any given Port is
>> optional (see 5.3).
>> NOTE 1?In other words, it shall be possible to configure any VLAN as
>> untagged on egress, but it is an implementation
>> option as to whether only a single untagged VLAN per Port on egress is
>> supported, or whether multiple untagged
>> VLANs per Port on egress are supported."
>>
>> Ò.å. êàêòî ñè ãî èìïëåìåíòèðà
>> êîíêðåòíèÿ ïðîèçâîäèòåë. Îñòàâåíî å íà
>> íåãî äà ñè ðåøàâà.
>
>
>
> Ñ öèòèðàíîòî ñå ñúãëàñÿâàì. Íî ñëåä êàòî
> ðàçïèòàõ, íå íàìåðèõ èíôîðìàöèÿ çà
> ïðîèçâîäèòåë, êîéòî ïðåäëàãà äà èçêàðàø
> íà åäèí ïîðò ìíîãî untagged VLAN-è.
> Âñè÷êèòå äàâàò äà èçêàðàø ñàìî åäèí,
> êàòî Cisco âå÷å ñà ìàõíàëè è òàçè
> îïöèÿ.
>
>
>> > È... îñâåí òîâà àêî untag-íå VLAN ùå ñòàíå
>> áîçà â ìðåæàòà.
>> <snip>
>>
>> Äåôèíèðàé òâîåòî ïîíÿòèå çà áîçà? Â
>> *íÿêîè* ñëó÷àè èçîáùî íÿìà íóæäà äà
>> òîðìèçèø ðóòåðà ñ untag-âàíå íà ôðåéìîâå,
>> ïî-óäà÷íî å òîâà äà ñòàâà íà
>> ïîðòà ïðåäè íåãî.
>
>
> Ïðèòåñíÿâàìå, ÷å àêî âñå ïàê óñïååø äà
> èçêàðàø âñè÷êè VLAN-è íà åäèí ïîðò,
> òî òîâà ùå ãè ñëåå, êîåòî ùå íàïðàâè
> íåíóæíî ïîëçâàíåòî íà VLAN-è. Äå ôàêòî,
> âñè÷êè ïîäìðåæè ùå áúäàò ñúáðàíè â åäèí
> îáù åòåðíåò ñåãìåíò (áîçà1). Òîâà å
> ïðåäïîëîæåíèå, íå ñúì ãî òåñòâàë, íå ñúì
> ãî âèæäàë ðàáîòåùî è íå ñúì ñèãóðåí
> äàëè å âÿðíî.
>
> Äîïúëíèòåëíî ùå ñå íàëîæè äà ñå
> ïðåêîíôèãóðèðà ðóòåðà (áîçà 2) è âñè÷êèòå
> ìó
> àäðåñè îò îòäåëíèòå ïîäìðåæè äà ñå êà÷àò
> íà eth1 êàòî àëèàñè.
>
> Ìèñëÿ, ÷å å ìíîãî öåííî àêî òè ïîçíàâàø
> switch, êîéòî ìîæå äà èçêàðà ìíîãî
> untagged íà åäèí ïîðò è ïîçíàâàø ïîâåäåíèòî
> ìó.
>
> 1. http://standards.ieee.org/getieee802/download/802.1Q-2005.pdf
>>
>> --
>> regards,
>> Georgi Alexandrov
>>
>> key server - pgp.mit.edu :: key id - 0x37B4B3EE
>> Key fingerprint = E429 BF93 FA67 44E9 B7D4  F89E F990 01C1 37B4 B3EE
>>
>>
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>>
>>
>>
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>


-- 
Vassil Davidov
System & Network Administrator
Unicoders Ltd
tel. +359 2 8082121;
mobile: +359 899 125 654


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