Re: lug-bg: Zebra

[lekov@xxxxxxxxxxx (Stoyan Lekov)]

-----Original Message-----
From: Boyan Krosnov <bkrosnov@xxxxxxxx>
To: lug-bg@xxxxxxxxxxxxxxxxxx <lug-bg@xxxxxxxxxxxxxxxxxx>
Date: 08 Ìàðò 2002 ã. 18:21
Subject: RE: lug-bg: Zebra

>Praw si, wyzmojno e da se naprawi taka kato kazwash, kato se izluchat
>nqkolko problema
>
>1.koj provider shte se nawie da prawi towa za teb
>otgowor: nikoj
>reshenie:prawish nata na twoj router

Az bih se navil zaradi sporta

>
>2.kakwo stawa kogato dokato imash otworena tcp sesiq bgp-to ti preceni
>che trqbwa da prekarwa trafika prez drugiq provider -
>otgowor: chupi ti se tcp sesiqta, zashtoto ti se smenq adresa na ednata
>strana
>reshenie: oswen direktnoto bgp i indirect peering prez tuneli i inside
>global poolowe za da se zapazwat i source i destination adresa pri
>wsqkakwi katastrofi

Kazah ti che reshenieto e "bakalsko" - t.e. ne go smiatam za pravilno, no
principno e vyzmozhno.

>
>3.kakwo stawa ako iskash da si imash mail server pri tebe?
>otgowor: s tolkowa prost nat ne mojesh da razreshish tozi problem,
>zashtoto ne si siguren che pytq po kojto wlizat paketite kym mail
>servera ti shte e syshtiq po kojto shte se wryshtat, syotwetno i
>adresite shte sa razlichni i nqma izobshto da ti se zakacha tcp-to
>reshenie: ili inside global poolowe (koeto e po-dobroto) ili nat +
>policy routing (na razlichni routeri), nata se griji da raznatwa
>paketite na adresa prez kojto e pochnala sesiqta a policy routinga se
>griji da ne prashta s chujdi adresi prez neprawilnata mreja.

Izrishno posochih, che shte e kofti, ako ima web servers naprimer
>
>Izwinqwaj ako sym te oskyrbil :)

ne, ne si me oskyrbil, gluposti
prosto izkazah mnenieto si, che principno e vyzmozhno, ne sporia dali e
pravilno, kazvam prosto che principno e vyzmozhno .....

>
>BR,
>Boyan

Stoyan

>
>> -----Original Message-----
>> From: Stoyan Lekov [mailto:lekov@xxxxxxxxxxx]
>> Sent: Friday, March 08, 2002 1:56 PM
>> To: lug-bg@xxxxxxxxxxxxxxxxxx
>> Subject: Re: lug-bg: Zebra
>>
>>
>> ideiata mi beshe, che NAT-a se pravi ot dostavhick B ...
>> iavno ne si me razbral ....
>> toi realno mu dava ip-ta, koito sa na negovia router ... i
>> nat-va ip-tata na
>> drugoto ISP ...
>> prosto iavno ne mozhem da se razberem
>>
>> i da, chel sam tova, i da, pravil sam NAT
>>
>> ----- Original Message -----
>> From: "Boyan Krosnov" <bkrosnov@xxxxxxxx>
>> To: <lug-bg@xxxxxxxxxxxxxxxxxx>
>> Sent: Friday, March 08, 2002 1:44 PM
>> Subject: RE: lug-bg: Zebra
>>
>>
>> > I cannot stress this enough!
>> > pyrwo procheti
>> >
>> http://www.cisco.com/warp/public/cc/pd/iosw/ioft/ionetn/tech/e
>> mios_wp.ht
>> > m
>> > posle komentiraj.
>> >
>> > sorry che sym leko grub :)
>> >
>> > BR,
>> > Boyan
>> >
>> > > -----Original Message-----
>> > > From: Stoyan Lekov [mailto:lekov@xxxxxxxxxxx]
>> > > Sent: Friday, March 08, 2002 12:42 PM
>> > > To: lug-bg@xxxxxxxxxxxxxxxxxx
>> > > Subject: Re: lug-bg: Zebra
>> > >
>> > >
>> > > Ne znam dali pravilno sym razbral, no vsyshnost mozhe da
>> > > stane, makar i
>> > > malko po "bakalski"
>> > > da priemem che ima 64 ip-ta ot dostavchik A i  dostavchik B e
>> > > saglasen da mu
>> > > dade i toi 64 ip-ta.
>> > > dvete ISP-ta si puskat BGP kam nego, kato dostavchik A si
>> mu anonsira
>> > > mrezhata (tyi kato e chast ot negovata), a dostavchik B mu
>> > > nat-va ip-tata
>> > > kam negovi, i realno syshto go anonsira (t.e. ima multihoming
>> > > ot gledna
>> > > tochka priemane ). Loshoto e veche ako ima web-servers, etc.
>> > >
>> > >
>> > > pak kazvam, ne sym siguren dali sym razbral pravilno, i da,
>> > > znam che ideiata
>> > > ne e blestiashta :)
>>
>> <CUT>
>>
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>> =============
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>>
>>
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