Gia traffic dedomenwn
Lucas Maneos
lm at quiet.demon.co.uk
Tue Feb 18 03:10:15 EET 1997
> Mpa apla kovw olo to ICMP kai isihazw :)
Mh... :-(
Parabiazeis ta RFC 1122, 1812 (an xrhsimopoieis to linuxokoyto san inet
gateway) kai 1925...
Kai mporei na soy dhmioyrghsei kai alla problhmata - px: jekinas ena ftp
session, gia kapoio logo kati apo thn allh meria soy stelnei ICMP
ECHO_REQUEST, den pairnei pote apanthsh kai apofasizei na se uevrhsei
'unreachable' - voila, paei to ftp... H, jekinas ftp session, h allh
meria einai unreachable, alla esy den to mauaineis pote (giati petas sto
patvma to ICMP [HOST|PORT|NET] UNREACHABLE packet kai perimeneis
na kanei timeout to TCP stack...
> Ta connect mou den einai kai toso kala opote kai ena aplo ping
> mporei na me "mpoukwsei".
Xm, ma ta perissotera ICMP packets einai tragika mikra - h monh ejairesh
einai otan exeis kapoion kakohuh apo thn allh meria, alla s'ayth thn
periptvsh einai nomizv kalytero na blockareis OLA ta protocola apo thn
IP d/nsh toy.
> PS: Exei dokimasei kaneis to MRTG? ( Multi Router Traffic Graffer )
Tsoy - den exv toso megalo LAN vste na moy einai xrhsimo :-). Ayto poy exv
dokimasei, kai me exei bohuhsei poly gia troubleshooting klp einai to
scotty+tkined.
L.
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