From karpio@fenix.xyz.lublin.pl Sat Mar 4 22:40:27 2000 Path: spawn!polsl.gliwice.pl!news.man.poznan.pl!news.icm.edu.pl!lublin.pl!fenix.xyz.lublin.pl!karpio From: Andrzej Karpinski Newsgroups: pl.comp.networking,pl.internet.polip,pl.irc Subject: Narodowy operator inaczej, czyli slow kilka o niezwykle dynamicznym routingu Date: Sat, 4 Mar 2000 18:34:36 +0100 Lines: 847 Message-ID: NNTP-Posting-Host: fenix.xyz.lublin.pl Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII To: isp-tech@isp.pl, lists-staff@freebsd.lublin.pl cc: baniaczek@gazeta.pl, netforum@lupus.waw.pl, hirek.wrona@empiktv.com Xref: spawn pl.comp.networking:33679 pl.internet.polip:6994 pl.irc:44316 Szanowni Panstwo! "Laczy nas coraz wiecej" - niech to bedzie mottem tego listu Pragne przedstawic wyciag z konfiguracji routera na podstawie majla, ktory pojawil sie kilka dni temu omylkowo publicznie (wskutek indolencji i niezorganizowania) na grupie o budownictwie. Prosilbym bardzo o powstrzymanie sie od zlosliwych komentarzy nt. ujawiania tajemnic sluzbowych przez pracownika instytucji, ktorej majl dotyczy. Chcialbym natomiast zaproponowac calkiem ciekawa zabawe w "reverse engeneering" struktury sieci na podstawie ujawnionego configa. Na koniec pozwole sobie pofilozofowac na tematy ogolnoludzkie i wyciagnac garsc wnioskow, zachecajac tym samym do dalszej dyskusji ;) 1. Pewien router GSR (C12k) u pewnego providera, nazwijmy go Router nr 1 (w dalszej czescie bedziemy uzywac okreslenia r1, aby skrocic pisownie) a) Widzimy tu: jedno lacze ATM OC3 (~155Mbit), na ktorym wisza rownoczesnie: - lacze pomiedzy R1 i R2 (stlumione do 20Mbit: pozdrowienia dla isp-tech) - lacze do war_cst2 (jak rozumiem duza czesc Warszawy) - lacze do Olsztyna - lacze do Szczecina - lacze do Katowic Fragment z configa: interface ATM1/0 <- interfejs ATM1/0 description Concorde SL4 PO2 no ip address no ip directed-broadcast no atm ilmi-keepalive ! interface ATM1/0.100 point-to-point <- wirtualka do r2 description do r2-cst bandwidth 20000 ip address 194.204.128.249 255.255.255.252 no ip directed-broadcast ip ospf network broadcast ip ospf interface-retry 0 atm pvc 7 0 100 aal5snap inarp ! interface ATM1/0.108 point-to-point <- Warszawa CST2 description do vr/0 war_cst2 ip address 194.204.128.13 255.255.255.252 no ip directed-broadcast ip ospf network broadcast ip ospf interface-retry 0 atm pvc 6 0 108 aal5snap inarp ! interface ATM1/0.114 point-to-point <- Olsztyn description do vr/0 ols_jar ip address 194.204.128.17 255.255.255.252 no ip directed-broadcast ip ospf network broadcast ip ospf interface-retry 0 atm pvc 15 0 114 aal5snap inarp ! interface ATM1/0.117 point-to-point <- Szczecin description do vr/0 szcz_srd ip address 194.204.128.81 255.255.255.252 no ip directed-broadcast ip ospf network broadcast ip ospf interface-retry 0 atm pvc 18 0 117 aal5snap inarp ! interface ATM1/0.201 point-to-point <- Katowice description do vr/0 kat_wct ip address 194.204.128.49 255.255.255.252 no ip directed-broadcast ip ospf network broadcast ip ospf interface-retry 0 atm pvc 2 0 201 aal5snap inarp ! Zaznaczam, ze wszyscy Ci klienci wspoldziela jeden port i wspolne pasmo. Gdzie podzial sie doskonaly 155Mbit szkielet IP po kraju? :> b) Drugi interfejs 155Mbit na ktorym wisza rownoczesnie: - war_cst3 (jak rozumiem czesc Warszawy) - krakowski Cyfronet - gazeta wyborcza - Netia - polozone lacze ATM do Lublina (nie dziala) - 2 lacza dla Polski ON-Line (ciekawe, na jednym porcie routera ;> I oni za to chca placic? :>> ) - PAGI - KOTT - SM-Media (stlumione pasmo do 4Mbit) - ZT Piotrkow czyli www.tpnet.pl i komputer Konrada The I (o nim za chwile) - caly Polbox (a wiec i szkielet mtl - stlumione go 6mbit) - cala siec POL34 (stlumiona do 24/16 Mbit - juz wiemy dlaczego laguje z polpakiem :> ) - siec Internet Partners Odpowiadajacy fragment konfigu: interface ATM1/1 description CST3 port 130 no ip address no ip directed-broadcast no ip mroute-cache no atm ilmi-keepalive hold-queue 10 in hold-queue 10 out ! interface ATM1/1.102 point-to-point description do vr/0 war_cst3 ip address 194.204.128.1 255.255.255.252 ip access-group 198 out ip helper-address 194.204.153.90 ip helper-address 194.204.153.92 ip helper-address 194.204.153.2 no ip directed-broadcast ip ospf network broadcast ip ospf interface-retry 0 atm pvc 14 0 102 aal5snap inarp ! interface ATM1/1.110 point-to-point description Cyfronet Krakow ip address 194.204.132.165 255.255.255.252 no ip directed-broadcast atm pvc 31 1 110 aal5snap inarp ! interface ATM1/1.112 point-to-point description Gazeta Wyborcza ul.Czerska ip address 194.204.132.173 255.255.255.252 no ip directed-broadcast atm pvc 32 1 112 aal5snap inarp ! interface ATM1/1.113 point-to-point description Netia war_cst2 fruni/205 ip address 194.204.132.177 255.255.255.252 no ip directed-broadcast atm pvc 33 1 113 aal5snap inarp ! interface ATM1/1.115 point-to-point description lub_cze TYMCZASOWY no ip directed-broadcast ip ospf network broadcast ip ospf interface-retry 0 shutdown atm pvc 16 0 115 aal5snap inarp ! interface ATM1/1.119 point-to-point description Polska On Line BGP AS8965 ip address 194.204.132.201 255.255.255.252 no ip directed-broadcast atm pvc 34 1 119 aal5snap inarp ! interface ATM1/1.120 point-to-point description Polska On Line BGP AS8965 ip address 194.204.132.205 255.255.255.252 no ip directed-broadcast atm pvc 35 1 120 aal5snap inarp ! interface ATM1/1.121 point-to-point description PAGI AS8798 ip address 194.204.132.209 255.255.255.252 no ip directed-broadcast atm pvc 36 1 121 aal5snap inarp ! interface ATM1/1.126 point-to-point description KOTT AS12580 ip address 194.204.132.229 255.255.255.252 no ip directed-broadcast atm pvc 37 1 126 aal5snap inarp ! interface ATM1/1.127 point-to-point description SM Media - AS5616 ip address 194.204.132.237 255.255.255.252 no ip directed-broadcast atm pvc 40 1 127 aal5snap 4096 4096 inarp ! interface ATM1/1.128 point-to-point description ZT Piotrkow ip address 194.204.132.141 255.255.255.252 no ip directed-broadcast ip ospf network broadcast ip ospf interface-retry 0 atm pvc 30 1 128 aal5snap inarp ! interface ATM1/1.129 point-to-point description TESTOWY dla Polbox AS8907 ip address 194.204.130.141 255.255.255.252 no ip directed-broadcast atm pvc 25 1 129 aal5snap 6144 6144 inarp ! interface ATM1/1.202 point-to-point description POL34 ip address 194.204.132.185 255.255.255.252 no ip directed-broadcast rate-limit input access-group 196 32000 8000 8000 conform-action continue exceed-action drop atm pvc 5 0 202 aal5snap 24576 16384 inarp ! interface ATM1/1.1000 point-to-point description Test Internet Partners ip address 194.204.132.233 255.255.255.252 no ip directed-broadcast atm pvc 39 1 111 aal5snap inarp ! c) Kolejny interfejs ATM, na ktorym wisza rownoczesnie: - polozony kabel do r2 - lacze do Gdanska - lacze do Poznania - lacze do r3_cst - lacze do war4_cst - lacze do Bydgoszczy - dwa lacza do Home Net w Szczecinie (przylaczone znow do jednego portu) - SGH interface ATM1/2 description CST4 port 122 no ip address no ip directed-broadcast no atm ilmi-keepalive ! interface ATM1/2.100 point-to-point description do r2_cst TYMCZASOWY no ip directed-broadcast ip ospf network broadcast ip ospf interface-retry 0 shutdown atm pvc 43 0 100 aal5snap inarp ! interface ATM1/2.105 point-to-point description do gda_r1 ip address 194.204.128.61 255.255.255.252 no ip directed-broadcast ip ospf network broadcast ip ospf interface-retry 0 atm pvc 10 0 105 aal5snap inarp ! interface ATM1/2.106 point-to-point description do vr/0 poz_cen ip address 194.204.128.77 255.255.255.252 no ip directed-broadcast ip ospf network broadcast ip ospf interface-retry 0 atm pvc 8 0 106 aal5snap inarp ! interface ATM1/2.111 point-to-point description Do r3-cst ip address 194.204.128.241 255.255.255.252 no ip directed-broadcast ip ospf network broadcast ip ospf interface-retry 0 atm pvc 12 0 111 aal5snap inarp ! interface ATM1/2.112 point-to-point description do vr/0 war_cst4 ip address 194.204.128.233 255.255.255.252 no ip directed-broadcast ip ospf network broadcast ip ospf interface-retry 0 atm pvc 13 0 112 aal5snap inarp ! interface ATM1/2.116 point-to-point description do vr/0 byd_biel ip address 194.204.128.65 255.255.255.252 no ip directed-broadcast ip ospf network broadcast ip ospf interface-retry 0 atm pvc 17 0 116 aal5snap inarp ! interface ATM1/2.129 point-to-point description Home Net - szcz_srd fruni/106 ip address 194.204.130.133 255.255.255.252 no ip directed-broadcast atm pvc 41 1 129 aal5snap inarp ! interface ATM1/2.130 point-to-point description Home Net - szcz_srd2 fruni/71 ip address 194.204.130.137 255.255.255.252 no ip directed-broadcast atm pvc 42 1 130 aal5snap inarp ! interface ATM1/2.131 point-to-point description description Szkola Glowna Handlowa, Warszawa ip address 212.160.125.113 255.255.255.252 no ip directed-broadcast atm pvc 44 1 131 aal5snap inarp ! d) Lacze miedzynarodowe do Teleglobe interface ATM1/3 description CST3 port 131 mtu 1500 no ip address no ip directed-broadcast no ip mroute-cache no atm ilmi-keepalive hold-queue 10 in hold-queue 10 out ! interface ATM1/3.100 point-to-point description Teleglobe New York ip address 207.45.199.138 255.255.255.252 ip access-group 101 out no ip directed-broadcast rate-limit input access-group 197 32000 8000 8000 conform-action continue exceed-action drop atm pvc 19 0 100 aal5snap 105000 105000 32 ! Ostatnia linijka powinna rozwiac Wasze watpliwosci na temat przeplywnosci tego kabla: TPSA ma lacze do Teleglobe o przeplywnosci 105Mbit/s co wynika z konfiguracji routera - wiecej ani pol bajtu tym kablem nie przejdzie. Co sie dzieje z pozostala czescia pasma i czemu nie jest ono udostepniane klientom? e) Calkiem wolny interfejs, na ktorym moznaby powiesic klientow zamiast odstawiac partyzantke i wspoldzielone porty: interface ATM2/0 no ip address no ip directed-broadcast shutdown no atm ilmi-keepalive ! f) kolejny interfejs 155Mbit na ktorym wisi: - lacze do frankfurtu - 22mbit/s - lacze do KAtowic - lacze do Lodzi - lacze do war_cst5 - lacze do Wroclawia Wszystko na jednym porcie routera... Pozdrowienia dla uzytkownikow Lodzi, Wroclawia i Katowic. interface ATM2/1 description war_cst3 Atmif/132 no ip address no ip directed-broadcast no atm ilmi-keepalive ! interface ATM2/1.101 point-to-point description Teleglobe Frankfurt ip address 195.219.64.162 255.255.255.252 ip access-group 101 out no ip directed-broadcast rate-limit input access-group 197 32000 8000 8000 conform-action continue exceed-action drop atm pvc 20 0 101 aal5snap 22084 22084 inarp ! interface ATM2/1.103 point-to-point description do KAT_R1 mtu 1500 ip address 194.204.128.205 255.255.255.252 no ip directed-broadcast ip ospf network broadcast ip ospf interface-retry 0 atm pvc 22 0 103 aal5snap inarp ! interface ATM2/1.104 point-to-point description do vr/0 lodz_cen ip address 194.204.128.29 255.255.255.252 no ip directed-broadcast ip ospf network broadcast ip ospf interface-retry 0 atm pvc 11 0 104 aal5snap inarp ! interface ATM2/1.105 point-to-point description do vr/0 war_cst5 ip address 194.204.128.209 255.255.255.252 no ip directed-broadcast ip ospf network broadcast ip ospf interface-retry 0 atm pvc 24 0 105 aal5snap inarp ! interface ATM2/1.107 point-to-point description wro_r1 ip address 194.204.128.93 255.255.255.252 no ip directed-broadcast ip ospf network broadcast ip ospf interface-retry 0 atm pvc 9 0 107 aal5snap inarp ! g) dalej mamy trzy lacza 155Mbit przypiete do jednego portu 155mbit - lubelski POLPAK (nie mylic z LUBMAN) - rzeszow - krakow interface ATM2/2 description Concorde SL9 PO1 no ip address no ip directed-broadcast no atm ilmi-keepalive ! interface ATM2/2.101 point-to-point description kra_r1 ip address 194.204.128.45 255.255.255.252 no ip directed-broadcast ip ospf network broadcast atm pvc 26 0 101 aal5snap inarp ! interface ATM2/2.113 point-to-point description do vr/0 rze_cen ip address 194.204.128.145 255.255.255.252 no ip directed-broadcast ip ospf network broadcast ip ospf interface-retry 0 atm pvc 4 0 113 aal5snap inarp ! interface ATM2/2.115 point-to-point description do vr/0 lub_cze ip address 194.204.128.33 255.255.255.252 no ip directed-broadcast ip ospf network broadcast ip ospf interface-retry 0 atm pvc 23 0 115 aal5snap inarp h) I na koniec kolejny nieuzywany interfejs interface ATM2/3 no ip address no ip directed-broadcast shutdown no atm ilmi-keepalive ! Zerknijmy do C7500 czyli r2... a) na pcozatek pare nieuzywanych interfejsow.. zeby nie bylo ze sie nie da interface Serial0/0 no ip address no ip directed-broadcast shutdown ! interface Serial0/1 no ip address no ip directed-broadcast shutdown ! interface Serial0/2 no ip address no ip directed-broadcast shutdown ! interface Serial0/3 no ip address no ip directed-broadcast shutdown interface Serial0/7 no ip address no ip directed-broadcast shutdown ! b) lacze 2mbit fr na ktorymi wisi: interface Serial0/4 no ip address no ip directed-broadcast encapsulation frame-relay IETF no fair-queue clockrate 2000000 ! interface Serial0/4.40 point-to-point description Biuro Prasowe Dyrekcji Spolki TP S.A.,Warszawa ip address 212.244.252.97 255.255.255.252 no ip directed-broadcast frame-relay interface-dlci 40 ! interface Serial0/4.201 point-to-point description PVC do Katowice ip address 194.204.128.53 255.255.255.252 ip helper-address 194.204.153.90 ip helper-address 194.204.153.99 no ip directed-broadcast ip ospf network broadcast frame-relay interface-dlci 201 ! interface Serial0/4.301 point-to-point description do kra_r1 ip address 194.204.128.41 255.255.255.252 ip helper-address 194.204.153.90 ip helper-address 194.204.153.99 no ip directed-broadcast ip ospf network broadcast frame-relay interface-dlci 301 ! c) kolejny 2mbit serial obslugujacy 6mbit ruch z: interface Serial0/5 no ip address no ip directed-broadcast encapsulation frame-relay IETF no fair-queue clockrate 2000000 ! interface Serial0/5.305 point-to-point description PVC do Rzeszowa ip address 194.204.128.149 255.255.255.252 ip helper-address 194.204.153.90 ip helper-address 194.204.153.99 no ip directed-broadcast frame-relay interface-dlci 305 ! interface Serial0/5.401 point-to-point description PVC do Gdanska ip address 194.204.128.57 255.255.255.252 ip helper-address 194.204.153.90 ip helper-address 194.204.153.99 no ip directed-broadcast ip ospf network broadcast frame-relay interface-dlci 401 ! interface Serial0/5.416 point-to-point description PVC do Bydgoszczy ip address 194.204.128.69 255.255.255.252 ip helper-address 194.204.153.90 ip helper-address 194.204.153.99 no ip directed-broadcast ip ospf network broadcast frame-relay interface-dlci 416 ! (pozdrowienia dla uzytkownikow z Bydgoszczy i Gdanska) d) i znowu duze sieci na pojedynczym kablu 2mbit: interface Serial0/6 no ip address no ip directed-broadcast encapsulation frame-relay IETF no fair-queue clockrate 2000000 ! interface Serial0/6.801 point-to-point description PVC do Poznania ip address 194.204.128.73 255.255.255.252 ip helper-address 194.204.153.90 ip helper-address 194.204.153.99 no ip directed-broadcast ip ospf network broadcast frame-relay interface-dlci 801 ! interface Serial0/6.901 point-to-point description PVC do Szczecina ip address 194.204.128.85 255.255.255.252 ip helper-address 194.204.153.90 ip helper-address 194.204.153.99 no ip directed-broadcast ip ospf network broadcast frame-relay interface-dlci 901 ! interface Serial0/6.951 point-to-point description PVC do Wroclawia ip address 194.204.128.89 255.255.255.252 ip helper-address 194.204.153.90 ip helper-address 194.204.153.99 no ip directed-broadcast ip ospf network broadcast frame-relay interface-dlci 951 ! e) ciekawa definicja 2mbit ;) interface Serial1/0 description 2Mb do POLPAK bandwidth 1984 f) a dalej na jednym porcie 2mbit wisi sobie: - caly telbank - atom - it - astercity Czyli ruch na ktory powinno byc 10Mbit pasma do routera jest dlawiony z powodu przylaczenia do 2mbit portu i wspoldzielenia zasobow przez duzych klientow. Pozdrowienia dla ladowanych w bambuko klientow. interface Serial1/1 description war_cst1 fru/17 bandwidth 2560 no ip address no ip directed-broadcast encapsulation frame-relay IETF keepalive 8 fair-queue 64 256 0 ! interface Serial1/1.19 point-to-point description Telbank AS6778 ip address 194.204.132.169 255.255.255.252 no ip directed-broadcast no arp frame-relay frame-relay interface-dlci 19 ! interface Serial1/1.20 point-to-point description ATOM AS6714 ip address 194.204.132.197 255.255.255.252 no ip directed-broadcast no arp frame-relay frame-relay interface-dlci 20 ! interface Serial1/1.21 point-to-point description Internet Technologies AS8246 ip address 194.204.132.137 255.255.255.252 no ip directed-broadcast no arp frame-relay frame-relay interface-dlci 21 ! interface Serial1/1.22 point-to-point description Aster City Cable AS12476 ip address 194.204.132.225 255.255.255.252 no ip directed-broadcast frame-relay interface-dlci 22 ! g) i dalej... na jednym porcie: - politechnika szczecinska - polkomtel - atm - perytnet znow wszyscy mysla, ze kupuja kabel 2 lub wiecej mbit do polpaku, a wisza na jednym 2mbit porcie ;) pozdrawiam, pozdrawiam.. interface Serial1/2 description war_cst1 port 12 bandwidth 2560 no ip address no ip directed-broadcast encapsulation frame-relay IETF keepalive 8 fair-queue 64 256 0 hold-queue 40 in ! interface Serial1/2.17 point-to-point description ATM AS6714 ip address 194.204.132.181 255.255.255.252 no ip directed-broadcast frame-relay interface-dlci 17 ! interface Serial1/2.18 point-to-point description Polkomtel Warszawa as8374 ip address 194.204.132.161 255.255.255.252 no ip directed-broadcast frame-relay interface-dlci 18 ! interface Serial1/2.20 point-to-point description Politechnika Szczecinska AS8286 ip address 194.204.132.193 255.255.255.252 no ip directed-broadcast frame-relay interface-dlci 20 ! interface Serial1/2.32 point-to-point description Peryt AS8367 ip address 194.204.132.153 255.255.255.252 no ip directed-broadcast frame-relay interface-dlci 32 ! h) kolejne 2jki pvc do roznych miast.. wszystko na jednym porcie interface Serial1/3 no ip address no ip directed-broadcast encapsulation frame-relay IETF no fair-queue clockrate 2000000 ! interface Serial1/3.512 point-to-point description PVC do Lublina ip address 194.204.128.37 255.255.255.252 ip helper-address 194.204.153.90 ip helper-address 194.204.153.99 no ip directed-broadcast ip ospf network broadcast frame-relay interface-dlci 512 ! interface Serial1/3.601 point-to-point description PVC do Lodzi ip address 194.204.128.25 255.255.255.252 ip helper-address 194.204.153.90 ip helper-address 194.204.153.99 no ip directed-broadcast ip ospf network broadcast frame-relay interface-dlci 601 ! interface Serial1/3.711 point-to-point description PVC do Olsztyna ip address 194.204.128.21 255.255.255.252 ip helper-address 194.204.153.90 ip helper-address 194.204.153.99 no ip directed-broadcast ip ospf network broadcast frame-relay interface-dlci 711 ! i) serdeczne pozdrowienia dla Wiortualnej Polski, ktora zapewne mysli, ze ma 6mbit do sieci POLPAK i za nie placi. okazuje sie, ze wisi na porcie 2mbit routera, w dodatku dzielac pasmo z innymi: interface Serial1/5 description CST2 port 40 no ip address no ip directed-broadcast encapsulation frame-relay IETF no fair-queue clockrate 2000000 ! interface Serial1/5.16 point-to-point description Akademia Techniczno Rolnicza AS 12618 i 8326 ip address 194.204.132.245 255.255.255.252 no ip directed-broadcast frame-relay interface-dlci 16 ! interface Serial1/5.20 point-to-point description Wirtualna Polska BGP ip address 194.204.130.145 255.255.255.252 no ip directed-broadcast frame-relay interface-dlci 20 ! interface Serial1/5.21 point-to-point description Wirtualna Polska BGP ip address 194.204.130.149 255.255.255.252 no ip directed-broadcast frame-relay interface-dlci 21 ! interface Serial1/5.22 point-to-point description Wirtualna Polska BGP ip address 194.204.130.153 255.255.255.252 no ip directed-broadcast frame-relay interface-dlci 22 ! interface Serial1/5.122 point-to-point description Internet Technologies AS8246 - drugie lacze ip address 194.204.132.145 255.255.255.252 no ip directed-broadcast frame-relay interface-dlci 122 ! interface Serial1/5.136 point-to-point description Internet Services AS8367 ip address 194.204.129.153 255.255.255.252 no ip directed-broadcast frame-relay interface-dlci 136 j) znow to samo: lubman placil za 4mbit do sieci polpak, a wisial na 2mbit porcie routera wraz z atm i polkomtelem. ciekawe kiedy sprawa zajmie sie prokurator... interface Serial1/7 description CST1 port 51 no ip address no ip directed-broadcast encapsulation frame-relay IETF tx-queue-limit 1000 no fair-queue clockrate 2000000 ! interface Serial1/7.17 point-to-point description Polkomtel AS8374 ip address 194.204.132.133 255.255.255.252 no ip directed-broadcast frame-relay interface-dlci 17 ! interface Serial1/7.18 point-to-point description ATM AS6714 ip address 194.204.132.157 255.255.255.252 no ip directed-broadcast frame-relay interface-dlci 18 ! interface Serial1/7.20 point-to-point description UMCS AS12346 ip address 194.204.132.213 255.255.255.252 no ip directed-broadcast frame-relay interface-dlci 20 ! interface Serial1/7.21 point-to-point description UMCS drugie lacze AS12346 ip address 194.204.132.241 255.255.255.252 no ip directed-broadcast frame-relay interface-dlci 21 ! k) routery polaczone sa wolnym linkiem 10mbit: interface Ethernet2/0 description do r1.tpnet.pl na eth 2/0 bandwidth 10000 ip address 194.204.128.254 255.255.255.252 no ip directed-broadcast ! (pozdrowienia dla subskrybentow isp-tech) l) (dalej jest cala masa bzdurnych portow dla znajomych krolika) m) a tu wyjasnienie, czemu z sieci NASK tak dobrze pracuje sie w POLPAKu (lepiej niz z sieci POLPAK w POLPAKu) interface ATM5/0/0.102 point-to-point description NASK AS8308 ip address 195.164.16.78 255.255.255.252 ip access-group 101 out no ip directed-broadcast no ip mroute-cache atm pvc 4 1 102 aal5snap inarp ! (w tym miejscu szczere podziekowania dla dyrekcji NASKu, za to, ze w przeciwienstwie do POLPAKu woli wydac kase na lacze i dba o swoich klientow - tak narpawde z NASK dostajemy dzieki temu lepsze czasy po POLPAKu niz z POLPAKu) Nie chcialo mi sie przegladac konfiguracji filtrow i BGP, ale pdoejrzewam ze w paru miejscach trasy sa nieportzebnie wydluzane zeby skierowac ruch przez innych dostawcow a nie POLPAK. Konradzie: czy sie myle czy mam przeszukac configa? A moze sam nam wskazesz miejsca - potraktujmy to jako samokrytyke ;) Reasumujac: Na podstawie przytoczonych fragmentow configa podtrzymuje swoje dotychczasowe opinie nt. sieci POLPAK-T. Posiada ona dosc dobry szkielet warstwy drugiej oraz totalnie nieudolnie zaprojektowana strukture routing, dzieki ktorej klienci sa robieni na szaro i dostaja nedzny ulamek pasma za ktory placa. Jest to z jednej strony zwyczajne oszustwo, z drugiej przestepstwo niegospodarnosci. Przy okazji okazalo sie, jakiej przeplywnosci jest lacze miedzynarodowe POLPAKu (zadne 155mbit) dla klientow. Przyklady klientow strasznie zrobionych na szaro: - Wirtualna polska - trzy lacza zbiegajace sie w jeden port 2mbit wspoldzielony z innymi klientami - LUBMAN - lacze 4mbit zaterminowane na porcie 2mbit - inni klienci wymienieni w majlu Rozwiazaniem jest poproszenie p.Plicha zeby poszukal sobie innej pracy i przeprojektowanie strutkury routingu w TPSA. Prosze mi wierzyc, ze mozna to znikomym nakladem srodkow i pieniedzy zrobic... Chcialbym na koneic po raz kolejny zlozyc serdeczne gratulacje dostawcom wykupujacym lacza od Telekomunikacji Polskiej S.A. oraz zyczyc wszystkiego najlepszego jej abonentom. Wszak laczy nas coraz wiecej ;) pozdrawiam serdecznie, Andrzej Karpinski PS. Konrad: Coraz bardziej lubie Cie.. Teraz juz chyba wiesz za co :> CMOK