У меня стоят вот такие лимиты и превышение нигде нет:<br><br><table class="frame-table"><thead><tr><th><label for="name">Служба</label></th>
            <th><label for="held">значение</label></th>
            <th><label for="maxheld">макс. значение</label></th>
            <th><label for="barrier">пороговое значение</label></th>
            <th><label for="limit">макс. значение</label></th>
            <th><label for="failcnt">кол-во превышений</label></th>
          </tr>
        </thead>
        <tbody>
                <tr>
                <td nowrap><span class="alterator-label" name="kmemsize_name">kmemsize</span></td>
                <td nowrap><span class="alterator-label" name="kmemsize_held">1133889</span></td>
                <td nowrap><span class="alterator-label" name="kmemsize_maxheld">2244907</span></td>
                <td><input name="kmemsize_barrier" class="text" value="671088640" type="text"></td>
                <td><input name="kmemsize_limit" class="text" value="838860800" type="text"></td>
                <td nowrap><span class="alterator-label" name="kmemsize_failcnt">0</span></td>
                </tr>
                <tr>
                <td nowrap><span class="alterator-label" name="lockedpages_name">lockedpages</span></td>
                <td nowrap><span class="alterator-label" name="lockedpages_held">0</span></td>
                <td nowrap><span class="alterator-label" name="lockedpages_maxheld">0</span></td>
                <td><input name="lockedpages_barrier" class="text" value="32" type="text"></td>
                <td><input name="lockedpages_limit" class="text" value="32" type="text"></td>
                <td nowrap><span class="alterator-label" name="lockedpages_failcnt">0</span></td>
                </tr>
                <tr>
                <td nowrap><span class="alterator-label" name="privvmpages_name">privvmpages</span></td>
                <td nowrap><span class="alterator-label" name="privvmpages_held">2617</span></td>
                <td nowrap><span class="alterator-label" name="privvmpages_maxheld">14053</span></td>
                <td><input name="privvmpages_barrier" class="text" value="524288" type="text"></td>
                <td><input name="privvmpages_limit" class="text" value="262144" type="text"></td>
                <td nowrap><span class="alterator-label" name="privvmpages_failcnt">0</span></td>
                </tr>
                <tr>
                <td nowrap><span class="alterator-label" name="shmpages_name">shmpages</span></td>
                <td nowrap><span class="alterator-label" name="shmpages_held">0</span></td>
                <td nowrap><span class="alterator-label" name="shmpages_maxheld">0</span></td>
                <td><input name="shmpages_barrier" class="text" value="8192" type="text"></td>
                <td><input name="shmpages_limit" class="text" value="8192" type="text"></td>
                <td nowrap><span class="alterator-label" name="shmpages_failcnt">0</span></td>
                </tr>
                <tr>
                <td nowrap><span class="alterator-label" name="numproc_name">numproc</span></td>
                <td nowrap><span class="alterator-label" name="numproc_held">9</span></td>
                <td nowrap><span class="alterator-label" name="numproc_maxheld">15</span></td>
                <td><input name="numproc_barrier" class="text" value="65" type="text"></td>
                <td><input name="numproc_limit" class="text" value="65" type="text"></td>
                <td nowrap><span class="alterator-label" name="numproc_failcnt">0</span></td>
                </tr>
                <tr>
                <td nowrap><span class="alterator-label" name="physpages_name">physpages</span></td>
                <td nowrap><span class="alterator-label" name="physpages_held">2144</span></td>
                <td nowrap><span class="alterator-label" name="physpages_maxheld">2567</span></td>
                <td><input name="physpages_barrier" class="text" value="0" type="text"></td>
                <td><input name="physpages_limit" class="text" value="9223372036854775807" type="text"></td>
                <td nowrap><span class="alterator-label" name="physpages_failcnt">0</span></td>
                </tr>
                <tr>
                <td nowrap><span class="alterator-label" name="vmguarpages_name">vmguarpages</span></td>
                <td nowrap><span class="alterator-label" name="vmguarpages_held">0</span></td>
                <td nowrap><span class="alterator-label" name="vmguarpages_maxheld">0</span></td>
                <td><input name="vmguarpages_barrier" class="text" value="6144" type="text"></td>
                <td><input name="vmguarpages_limit" class="text" value="9223372036854775807" type="text"></td>
                <td nowrap><span class="alterator-label" name="vmguarpages_failcnt">0</span></td>
                </tr>
                <tr>
                <td nowrap><span class="alterator-label" name="oomguarpages_name">oomguarpages</span></td>
                <td nowrap><span class="alterator-label" name="oomguarpages_held">2144</span></td>
                <td nowrap><span class="alterator-label" name="oomguarpages_maxheld">2567</span></td>
                <td><input name="oomguarpages_barrier" class="text" value="6144" type="text"></td>
                <td><input name="oomguarpages_limit" class="text" value="9223372036854775807" type="text"></td>
                <td nowrap><span class="alterator-label" name="oomguarpages_failcnt">0</span></td>
                </tr>
                <tr>
                <td nowrap><span class="alterator-label" name="numtcpsock_name">numtcpsock</span></td>
                <td nowrap><span class="alterator-label" name="numtcpsock_held">2</span></td>
                <td nowrap><span class="alterator-label" name="numtcpsock_maxheld">3</span></td>
                <td><input name="numtcpsock_barrier" class="text" value="80" type="text"></td>
                <td><input name="numtcpsock_limit" class="text" value="80" type="text"></td>
                <td nowrap><span class="alterator-label" name="numtcpsock_failcnt">0</span></td>
                </tr>
                <tr>
                <td nowrap><span class="alterator-label" name="numflock_name">numflock</span></td>
                <td nowrap><span class="alterator-label" name="numflock_held">1</span></td>
                <td nowrap><span class="alterator-label" name="numflock_maxheld">2</span></td>
                <td><input name="numflock_barrier" class="text" value="100" type="text"></td>
                <td><input name="numflock_limit" class="text" value="110" type="text"></td>
                <td nowrap><span class="alterator-label" name="numflock_failcnt">0</span></td>
                </tr>
                <tr>
                <td nowrap><span class="alterator-label" name="numpty_name">numpty</span></td>
                <td nowrap><span class="alterator-label" name="numpty_held">2</span></td>
                <td nowrap><span class="alterator-label" name="numpty_maxheld">3</span></td>
                <td><input name="numpty_barrier" class="text" value="16" type="text"></td>
                <td><input name="numpty_limit" class="text" value="16" type="text"></td>
                <td nowrap><span class="alterator-label" name="numpty_failcnt">0</span></td>
                </tr>
                <tr>
                <td nowrap><span class="alterator-label" name="numsiginfo_name">numsiginfo</span></td>
                <td nowrap><span class="alterator-label" name="numsiginfo_held">0</span></td>
                <td nowrap><span class="alterator-label" name="numsiginfo_maxheld">3</span></td>
                <td><input name="numsiginfo_barrier" class="text" value="256" type="text"></td>
                <td><input name="numsiginfo_limit" class="text" value="256" type="text"></td>
                <td nowrap><span class="alterator-label" name="numsiginfo_failcnt">0</span></td>
                </tr>
                <tr>
                <td nowrap><span class="alterator-label" name="tcpsndbuf_name">tcpsndbuf</span></td>
                <td nowrap><span class="alterator-label" name="tcpsndbuf_held">0</span></td>
                <td nowrap><span class="alterator-label" name="tcpsndbuf_maxheld">0</span></td>
                <td><input name="tcpsndbuf_barrier" class="text" value="327680" type="text"></td>
                <td><input name="tcpsndbuf_limit" class="text" value="532480" type="text"></td>
                <td nowrap><span class="alterator-label" name="tcpsndbuf_failcnt">0</span></td>
                </tr>
                <tr>
                <td nowrap><span class="alterator-label" name="tcprcvbuf_name">tcprcvbuf</span></td>
                <td nowrap><span class="alterator-label" name="tcprcvbuf_held">0</span></td>
                <td nowrap><span class="alterator-label" name="tcprcvbuf_maxheld">0</span></td>
                <td><input name="tcprcvbuf_barrier" class="text" value="638976" type="text"></td>
                <td><input name="tcprcvbuf_limit" class="text" value="1048576" type="text"></td>
                <td nowrap><span class="alterator-label" name="tcprcvbuf_failcnt">0</span></td>
                </tr>
                <tr>
                <td nowrap><span class="alterator-label" name="othersockbuf_name">othersockbuf</span></td>
                <td nowrap><span class="alterator-label" name="othersockbuf_held">6936</span></td>
                <td nowrap><span class="alterator-label" name="othersockbuf_maxheld">24456</span></td>
                <td><input name="othersockbuf_barrier" class="text" value="327680" type="text"></td>
                <td><input name="othersockbuf_limit" class="text" value="819200" type="text"></td>
                <td nowrap><span class="alterator-label" name="othersockbuf_failcnt">0</span></td>
                </tr>
                <tr>
                <td nowrap><span class="alterator-label" name="dgramrcvbuf_name">dgramrcvbuf</span></td>
                <td nowrap><span class="alterator-label" name="dgramrcvbuf_held">0</span></td>
                <td nowrap><span class="alterator-label" name="dgramrcvbuf_maxheld">8456</span></td>
                <td><input name="dgramrcvbuf_barrier" class="text" value="132096" type="text"></td>
                <td><input name="dgramrcvbuf_limit" class="text" value="132096" type="text"></td>
                <td nowrap><span class="alterator-label" name="dgramrcvbuf_failcnt">0</span></td>
                </tr>
                <tr>
                <td nowrap><span class="alterator-label" name="numothersock_name">numothersock</span></td>
                <td nowrap><span class="alterator-label" name="numothersock_held">7</span></td>
                <td nowrap><span class="alterator-label" name="numothersock_maxheld">12</span></td>
                <td><input name="numothersock_barrier" class="text" value="128" type="text"></td>
                <td><input name="numothersock_limit" class="text" value="128" type="text"></td>
                <td nowrap><span class="alterator-label" name="numothersock_failcnt">0</span></td>
                </tr>
                <tr>
                <td nowrap><span class="alterator-label" name="dcachesize_name">dcachesize</span></td>
                <td nowrap><span class="alterator-label" name="dcachesize_held">0</span></td>
                <td nowrap><span class="alterator-label" name="dcachesize_maxheld">0</span></td>
                <td><input name="dcachesize_barrier" class="text" value="786432" type="text"></td>
                <td><input name="dcachesize_limit" class="text" value="865075" type="text"></td>
                <td nowrap><span class="alterator-label" name="dcachesize_failcnt">0</span></td>
                </tr>
                <tr>
                <td nowrap><span class="alterator-label" name="numfile_name">numfile</span></td>
                <td nowrap><span class="alterator-label" name="numfile_held">228</span></td>
                <td nowrap><span class="alterator-label" name="numfile_maxheld">290</span></td>
                <td><input name="numfile_barrier" class="text" value="2048" type="text"></td>
                <td><input name="numfile_limit" class="text" value="2048" type="text"></td>
                <td nowrap><span class="alterator-label" name="numfile_failcnt">0</span></td>
                </tr>
                <tr>
                <td nowrap><span class="alterator-label" name="numiptent_name">numiptent</span></td>
                <td nowrap><span class="alterator-label" name="numiptent_held">10</span></td>
                <td nowrap><span class="alterator-label" name="numiptent_maxheld">10</span></td>
                <td><input name="numiptent_barrier" class="text" value="128" type="text"></td>
                <td><input name="numiptent_limit" class="text" value="128" type="text"></td>
                <td nowrap><span class="alterator-label" name="numiptent_failcnt">0</span></td></tr></tbody></table><br><br><br><br>07.11.07, Peter V. Saveliev&lt;<a href="mailto:peet@altlinux.ru">peet@altlinux.ru</a>&gt; написал(а):<br>
&gt; On Wednesday 07 November 2007, Сергей Бялко wrote:<br>&gt; &gt; Здравствуйте, многоуважаемый ALL!<br>&gt; &gt;<br>&gt; &gt; Установил AltLinux Server 4, обновил из branch. Создал виртуальные<br>&gt; &gt; машины для фтп, днс и др. - всё ок, всё работает. Виртуальные машины
<br>&gt; &gt; сделал в подсети <a href="http://172.16.0.0/24">172.16.0.0/24</a> и на родительской машине сделал nat на<br>&gt; &gt; эту подсеть + пробросил нужные порты для фтп и днс.<br>&gt; &gt; Однако возникла такая проблема:
<br>&gt; &gt; когда я загружаю по фтп на виртуальную машину скорость нормальная, а<br>&gt; &gt; когда пытаюсь скачивать, то скорость падает, падает и связь вообще<br>&gt; &gt; теряется!<br>&gt; &gt;<br>&gt; &gt; Куда копать? Где искать?
<br>&gt; &gt;<br>&gt; &gt; P.S. Сервак на SuperMicro 2U 6025B-TB<br>&gt; <br>&gt; Копать, скорее всего, в сторону закрученных по самое пикачу лимитов на буферы<br>&gt; venet. Посмотрите в userbeancounters на тему превышения этих буферов --
<br>&gt; бывает поучительно.<br>&gt; <br>&gt; --<br>&gt; Peter V. Saveliev<br>&gt; <br><br><br>-- <br>--<br>С уважением, Бялко Сергей.<br>