Dial on Demand problem

[Christos Ricudis]

Hello I.Ioannou!

  On 13 Apr 01, I.Ioannou wrote to All with subject "RE: Dial on Demand
problem":

 >> Meta apo parakoloythisi epi makron eida oti kathe 26-27 sec
 >> yparxei rip packeto apo ton router. Parolo pou kobw ta PANTA me ipchains,
 >> ayta synexizoun na kanoun th "zhmia".

 I> Sorry, oxi , opws mou eixe apantisei kai emena kapoios edw mesa
 I> prin apo kairo pou epsaxna to idio, einai se xamilotero layer apo
 I> ayto tou firewall gia na to kopseis me ipchains. Dokimase to diald,
 I> kai o theos boithos (kai oti apotelesmata pesta kai se emas)

eee?

To RIP einai se XAMHLOTERO LAYER apo to IP?

Pisw sthn prwth taksh! Grhgora! Tanenbaum selida 479 [1].

To RIP filtraretai kanonikotata, ayto poy den filtraretai einai ta LCP echo
requests/replies, ta opoia ontws einai se xamhlotero epipedo.De 8a eprepe na
ephreazoyn kanenan keepalive counter wstoso. 

Ypopshn oti ektos apo ayta, apo arketous routers 8a exeis na filtrareis kai
IGMP kai sia paketa, mia oloklhrh mera kynhgi me to tcpdump moy phre na ftiaksw
filtra poy na kanoun SWSTO dial on demand/inactivity hangup [2]




[1] ONTWS sth selida 479 brisketai h monh - emmesh - anafora sto RIP, mhkous
tessarwn protasewn. Kata ta alla merikoi epimenoyn na didaskoun diktya
ypologistwn apo biblio poy afierwnei to 87% toy xwrou toy sto X.25 kai sto
MAP/TOP. An einai dynaton. Eytyxws h trith ekdosh einai arketa beltiwmenh, alla
o Tanenbaum pairnei gia akomh mia fora to International Contopthalmy Award.
Telos pantwn.

[2] Se FreeBSD & user-mode-ppp. This combination ROCKS, parolo poy kata th
gnwmh moy to ppp den anhkei sto userland. [3]

[3] To eixa kanei kai me diald, einai kapws perissotero maniki kai den einai
toso omorfo. 

--
Christos Ricudis

In God we trust.
All others must present a valid X.509 certificate.