From: Anton Farygin <rider@altlinux.com> To: sysadmins@lists.altlinux.org Subject: [Sysadmins] подземный стук с bridge/NAT Date: Fri, 12 Oct 2007 15:32:37 +0400 Message-ID: <fenm0v$gua$1@sea.gmane.org> (raw) Магическое число 83. Почему пакеты с размером >82 идут нормально, а меньше 82 - тормозят ? конфигурация такая: host<->router(NAT)-xxx.xxx.xxx.xxx(с bridge) Всё соединено через ethernet, между host-router-xxx.xxx.xxx.xxx нет ничего, кроме свитчей. Если на router(NAT) на внешнем интерфейсе запустить tcpdump, то всё налаживается. После окончания работы tcpdump - опять такая же бодяга ;( $ ping xxx.xxx.xxx.xxx -s 83 -c 5 PING xxx.xxx.xxx.xxx (xxx.xxx.xxx.xxx) 83(111) bytes of data. 91 bytes from xxx.xxx.xxx.xxx (xxx.xxx.xxx.xxx): icmp_seq=1 ttl=63 time=0.590 ms 91 bytes from xxx.xxx.xxx.xxx (xxx.xxx.xxx.xxx): icmp_seq=2 ttl=63 time=0.484 ms 91 bytes from xxx.xxx.xxx.xxx (xxx.xxx.xxx.xxx): icmp_seq=3 ttl=63 time=0.528 ms 91 bytes from xxx.xxx.xxx.xxx (xxx.xxx.xxx.xxx): icmp_seq=4 ttl=63 time=0.497 ms 91 bytes from xxx.xxx.xxx.xxx (xxx.xxx.xxx.xxx): icmp_seq=5 ttl=63 time=0.419 ms --- xxx.xxx.xxx.xxx ping statistics --- 5 packets transmitted, 5 received, 0% packet loss, time 4002ms rtt min/avg/max/mdev = 0.419/0.503/0.590/0.061 ms $ ping xxx.xxx.xxx.xxx -s 82 -c 5 PING xxx.xxx.xxx.xxx (xxx.xxx.xxx.xxx) 82(110) bytes of data. 90 bytes from xxx.xxx.xxx.xxx (xxx.xxx.xxx.xxx): icmp_seq=1 ttl=63 time=111 ms 90 bytes from xxx.xxx.xxx.xxx (xxx.xxx.xxx.xxx): icmp_seq=2 ttl=63 time=25.8 ms 90 bytes from xxx.xxx.xxx.xxx (xxx.xxx.xxx.xxx): icmp_seq=3 ttl=63 time=73.9 ms 90 bytes from xxx.xxx.xxx.xxx (xxx.xxx.xxx.xxx): icmp_seq=4 ttl=63 time=95.9 ms 90 bytes from xxx.xxx.xxx.xxx (xxx.xxx.xxx.xxx): icmp_seq=5 ttl=63 time=29.9 ms
next reply other threads:[~2007-10-12 11:32 UTC|newest] Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top 2007-10-12 11:32 Anton Farygin [this message] 2007-10-12 20:57 ` Michael Shigorin 2007-10-15 8:18 ` Anton Farygin
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to='fenm0v$gua$1@sea.gmane.org' \ --to=rider@altlinux.com \ --cc=sysadmins@lists.altlinux.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: link
ALT Linux sysadmins discussion This inbox may be cloned and mirrored by anyone: git clone --mirror http://lore.altlinux.org/sysadmins/0 sysadmins/git/0.git # If you have public-inbox 1.1+ installed, you may # initialize and index your mirror using the following commands: public-inbox-init -V2 sysadmins sysadmins/ http://lore.altlinux.org/sysadmins \ sysadmins@lists.altlinux.org sysadmins@lists.altlinux.ru sysadmins@lists.altlinux.com public-inbox-index sysadmins Example config snippet for mirrors. Newsgroup available over NNTP: nntp://lore.altlinux.org/org.altlinux.lists.sysadmins AGPL code for this site: git clone https://public-inbox.org/public-inbox.git