Re: lug-bg: ala bgp,rip etc routing...

2003-12-19 Thread raptor
hitro :)
a ako imam  sledniq scenarii :

LAN --- linux-master-router ---cisco
  | |
  |---linux-backup-router---|

dali VRRP protocola shte sraboti za interfeisite ot dwete starani, toest
ako padne master routera, interfeisa ot stranata na ciscoto. Cisco syshto trqbwa
da si misli che backup routera e mastera... a be s dwe dumi VRRP-to
trqbwa da bachka za wsichki interfeisi na router-a ?!


tia

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Re: lug-bg: ala bgp,rip etc routing...

2003-12-19 Thread Andrey Andreev
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raptor wrote:

| hitro :)
| a ako imam  sledniq scenarii :
|
| LAN --- linux-master-router ---cisco
|   | |
|   |---linux-backup-router---|
cheta shemata taka: linux-master-router i linux-backup-router imat po 2
interface-a, ediniq kym LAN drugiq kym cisco (shtoto kakto e narisuwano
backypa e na nqkakyff 3ti if na mastera, taka che kato mastera umre kel
fajda ;))
|
| dali VRRP protocola shte sraboti za interfeisite ot dwete starani, toest
| ako padne master routera, interfeisa ot stranata na ciscoto. Cisco
syshto trqbwa
| da si misli che backup routera e mastera... a be s dwe dumi VRRP-to
| trqbwa da bachka za wsichki interfeisi na router-a ?!
kato gledam koda ot sourceforge, na 2 interface-a nqma da sraboti,
shtoto misli samo za 1 interface (toq na kojto slusha heartbeat-a)
obache (OSS forever!) mozhesh da si hacknesh rychno w
send_gratuitous_arp() w vrrpd.c da gepwa i wtoroto IP ot drugiq
interface... az lichno bih nabil setting-ite (adresi, if-i) twyrdo w
koda, shtoto kato gledam proekta ne e updatewan nad godina...
syshto taka ne bih si igral s mac address smqnata ako ne se nalaga...

uspeh,

andro

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Re: lug-bg: ala bgp,rip etc routing... (korekciq)

2003-12-19 Thread Andrey Andreev
raptor wrote:

| hitro :)
| a ako imam  sledniq scenarii :
|
| LAN --- linux-master-router ---cisco
|   | |
|   |---linux-backup-router---|
cheta shemata taka: linux-master-router i linux-backup-router imat po 2
interface-a, ediniq kym LAN drugiq kym cisco (shtoto kakto e narisuwano
backypa e na nqkakyff 3ti if na mastera, taka che kato mastera umre kel
fajda ;))
|
| dali VRRP protocola shte sraboti za interfeisite ot dwete starani, toest
| ako padne master routera, interfeisa ot stranata na ciscoto. Cisco
syshto trqbwa
| da si misli che backup routera e mastera... a be s dwe dumi VRRP-to
| trqbwa da bachka za wsichki interfeisi na router-a ?!
kato gledam koda ot sourceforge, na 2 interface-a nqma da sraboti,
shtoto misli samo za 1 interface (toq na kojto slusha heartbeat-a)
obache (OSS forever!) mozhesh da si hacknesh rychno w

static void state_goto_master( vrrp_rt *vsrv )

w vrrpd.c da gepwa i wtoroto IP ot drugiq
interface... az lichno bih nabil setting-ite (adresi, if-i) twyrdo w
koda, shtoto kato gledam proekta ne e updatewan nad godina...
syshto taka ne bih si igral s mac address smqnata ako ne se nalaga...

uspeh,

andro


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Re: lug-bg: ala bgp,rip etc routing...

2003-12-19 Thread Andrey Andreev
btw. edin po-zhiwo izglezhdasht proekt (pone do predi nqkolko meseca...)

http://linux-ha.org/

a na

http://linux-ha.org/download/

ima linkowe kym .deb-ove i .rpm-i :)

uspeh

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lug-bg: ala bgp,rip etc routing...

2003-12-18 Thread raptor
zdraweite trqbwa mi nesto mnogo lesno i prosto za instalirane, dave i perl script
wyrshi rabota.. no da ne e bgp,rip router etc..
Ideqta mi e sledmata da rechem imam 5 compa na koito imam setnati dadeni
routes i rules iskam da moga awtomatichno da propagandiram routing-i da rechem
ot edna kontrolna stanciq..
Problema e che trqbwa da e nesto leko i neangavirashto... i saotwetno da prawi towa
propagandirane po shto gode secure way !! move i over-ssh, move bi ne !!

Trqbwa mi towa neshto da moga lesno da go setwam na wsqka nowa mashina koqto slagam
a systo da ne e mnogo tevko 

Samo si mislq  ideqta mi e da naprawq sistemata po bullet proof.. pak i chesto 
weche mi se 
nalaga da korigiram route tablici na razlichni mashini...

a i da ne zabrawq trqbwa da si pazi poslednite promeni pri reboot na mashinata..

Kato dobyr kandidat mi se wivda syshto DHCP server i klienti no tam samo moga da setna 
ip,dns i mask 
a pak i trqbwa da ima fallback to the last config pri padane na dhcp-to.. i e dobro 
kato reshenie samo za
bootwaneto...
No pak ot druga strana nai dobriq wariqnt ste e neshto sborno wzima si ip parametrite 
i routingite chrez broadcast dokato
oste nqma ip... a posle po komanda otwyn  se updeitwa .. taka stawa idealnata 
dinamichna sreda. :)
I oshte nesto ako poluchi po broadcast set-to-default se setwa po dadena default 
configuraciq taka che da move
da se oprawqt bozite koito ponqkoga move da se natworqt... :))






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Re: lug-bg: ala bgp,rip etc routing...

2003-12-18 Thread Andrey Andreev
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raptor wrote:

| Samo si mislq  ideqta mi e da naprawq sistemata po bullet proof..
pak i chesto weche mi se
| nalaga da korigiram route tablici na razlichni mashini...
Ako iskash da dignesh availability-to na neta, mozhesh da poglednesh
neshto, koeto sym pisal predi godini (disclaimer: twa e ese za nqkakyff
mrezhow kurs, taka che ne ochakwaj koj znae kwo kachestwo)
pogledni sekciqta za VRRP

http://db.cs.helsinki.fi/~andreev/ha.html

ideqta e che virtualizirash IPto na default gateway-q na wsichki hostowe
i puskash VRRP daemon-che na wsichki potencialni first-hop routeri, taka
che ako aktiwniq w momenta router padne, drug mu otnema IPto s
gratuitious ARP (syotwetno twa bachka osnowno w LANowe, no ti goworeshe
za DHCP, koeto me nawezhda na misylta, che za twa stawa duma)
za linux implementaciq mozhesh da poglednesh

http://sourceforge.net/projects/vrrpd/

i pak disclaimer: ne sym sysadmin, i ne sym go probwal. prosto se setih
che nqkoga sym pisal neshto po wyprosa, i kato go poglednah mi prozwucha
dobre :)
ako stane neshto, kazhi, che mi e interesno :)

pozdrawi,

andrey
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