- О PPPoE, MTU и проблеме Path MTU Discovery Black Hole (pppoe mtu), tau, 15:24 , 16-Мрт-07 (1) –1
- О PPPoE, MTU и проблеме Path MTU Discovery Black Hole (pppoe mtu), scamp, 17:54 , 16-Мрт-07 (2) +1
Сам с месяц назад напоролся на такую проблему. решение заняло около 3 часов. после консультации с сетевым специалистом, начал копать в сторону mtu (хотя подозрения на этот счет были сразу). поиск по конфигам shorewall (именно им пользуюсь для удобства управления iptables. рекомендую всем) привел к интересным коментариям: [From the kernel help: # # This option adds a `TCPMSS' target, which allows you to alter the # MSS value of TCP SYN packets, to control the maximum size for that # connection (usually limiting it to your outgoing interface's MTU # minus 40). # # This is used to overcome criminally braindead ISPs or servers which # block ICMP Fragmentation Needed packets. The symptoms of this # problem are that everything works fine from your Linux # firewall/router, but machines behind it can never exchange large # packets: # 1) Web browsers connect, then hang with no data received. # 2) Small mail works fine, but large emails hang. # 3) ssh works fine, but scp hangs after initial handshaking. # ] Собственно решение превратилось в активацию в shorewall опции CLAMPMSS=Yes
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- О PPPoE, MTU и проблеме Path MTU Discovery Black Hole (pppoe mtu), Алексей, 20:39 , 03-Ноя-13 (44)
- О PPPoE, MTU и проблеме Path MTU Discovery Black Hole (pppoe mtu), Vitto, 00:39 , 12-Май-15 (46)
- О PPPoE, MTU и проблеме Path MTU Discovery Black Hole (pppoe mtu), procsik, 15:49 , 09-Дек-18 (50)
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