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    <title>OpenForum RSS: mtu и mss в DMVPN</title>
    <link>https://www.opennet.me/openforum/vsluhforumID6/23098.html</link>
    <description>здравствуйте.&lt;br&gt;подскажите как правильные параметры mtu и mss выставить в таком туннеле?&lt;br&gt;есть циска 881&lt;br&gt;на ней один f4 wan порт&lt;br&gt;и 4 swith порта f0-f3&lt;br&gt;&lt;br&gt; &lt;br&gt;crypto isakmp policy 1&lt;br&gt; encr aes&lt;br&gt; hash md5&lt;br&gt; authentication pre-share&lt;br&gt; group 2&lt;br&gt;crypto isakmp key key address 0.0.0.0 0.0.0.0&lt;br&gt;crypto isakmp invalid-spi-recovery&lt;br&gt;crypto isakmp keepalive 10 periodic&lt;br&gt;!&lt;br&gt;crypto ipsec security-association idle-time 3600&lt;br&gt;!&lt;br&gt;crypto ipsec transform-set transAESMD5 esp-aes esp-md5-hmac&lt;br&gt;!&lt;br&gt;crypto ipsec profile vpn-profile-AESMD5&lt;br&gt; set transform-set transAESMD5&lt;br&gt;!&lt;br&gt;!&lt;br&gt;!&lt;br&gt;!&lt;br&gt;!&lt;br&gt;!&lt;br&gt;!&lt;br&gt;interface Tunnel10&lt;br&gt; bandwidth 1000&lt;br&gt; ip address 10.110.0.12 255.255.255.0&lt;br&gt; no ip redirects&lt;br&gt; ip mtu 1400&lt;br&gt; ip nhrp authentication key&lt;br&gt; ip nhrp map multicast 172.16.11.2&lt;br&gt; ip nhrp map 10.110.0.11 172.16.11.2&lt;br&gt; ip nhrp network-id 100000&lt;br&gt; ip nhrp holdtime 300&lt;br&gt; ip nhrp nhs 10.110.0.11&lt;br&gt; ip tcp adjust-mss 1360&lt;br&gt; ip ospf network broadcast&lt;br&gt; ip ospf priority 0&lt;br&gt; delay 1000&lt;br&gt; tunnel source FastEthernet4&lt;br&gt; tunnel mode gre multipoint&lt;br&gt; tunnel key 000</description>

<item>
    <title>mtu и mss в DMVPN (Николай_kv)</title>
    <link>https://www.opennet.me/openforum/vsluhforumID6/23098.html#1</link>
    <pubDate>Wed, 14 Sep 2011 11:30:37 GMT</pubDate>
    <description>Вопрос хороший как карта ляжет :)&lt;br&gt;Смотря какой оборудование стоит на пути следования у провайдера.&lt;br&gt;&lt;br&gt;По классике &lt;br&gt;The GRE tunnel IP MTU is 1476 (1500 - 24). &lt;br&gt;ip mtu 1476&lt;br&gt;&lt;br&gt;1456 bytes TCP&lt;br&gt;ip tcp adjust-mss 1456&lt;br&gt;&lt;br&gt;http://www.cisco.com/en/US/tech/tk827/tk369/technologies_white_paper09186a00800d6979.shtml&lt;br&gt;</description>
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