{"id":136,"date":"2009-07-16T15:15:29","date_gmt":"2009-07-16T13:15:29","guid":{"rendered":"http:\/\/nico-maas.de\/wordpress\/?p=136"},"modified":"2009-07-16T15:15:49","modified_gmt":"2009-07-16T13:15:49","slug":"c3560-dhcp-snooping","status":"publish","type":"post","link":"https:\/\/www.nico-maas.de\/?p=136","title":{"rendered":"c3560 DHCP Snooping"},"content":{"rendered":"<p><strong>Global Activate:<\/strong><\/p>\n<p>ip dhcp snooping vlan 1-4094<br \/>\nno ip dhcp snooping information option<br \/>\nip dhcp snooping<\/p>\n<p><strong>Allow DHCP on Port:<\/strong><\/p>\n<p>ip dhcp snooping trust<\/p>\n<p><strong><span style=\"color: #ff0000;\">Using Spanningtree can cause Problems with DHCP, use portfast on Userside Ports, but NEVER on Trunk!<\/span><\/strong><\/p>\n<div class=\"shariff shariff-align-left shariff-widget-align-left\"><ul class=\"shariff-buttons theme-round orientation-horizontal buttonsize-small\"><li class=\"shariff-button printer shariff-nocustomcolor\" style=\"background-color:#a8a8a8\"><a href=\"javascript:window.print()\" title=\"print\" aria-label=\"print\" role=\"button\" rel=\"noopener nofollow\" class=\"shariff-link\" style=\"; background-color:#999; color:#fff\"><span class=\"shariff-icon\" style=\"\"><svg width=\"32px\" height=\"20px\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 30 32\"><path fill=\"#999\" d=\"M6.8 27.4h16v-4.6h-16v4.6zM6.8 16h16v-6.8h-2.8q-0.7 0-1.2-0.5t-0.5-1.2v-2.8h-11.4v11.4zM27.4 17.2q0-0.5-0.3-0.8t-0.8-0.4-0.8 0.4-0.3 0.8 0.3 0.8 0.8 0.3 0.8-0.3 0.3-0.8zM29.7 17.2v7.4q0 0.2-0.2 0.4t-0.4 0.2h-4v2.8q0 0.7-0.5 1.2t-1.2 0.5h-17.2q-0.7 0-1.2-0.5t-0.5-1.2v-2.8h-4q-0.2 0-0.4-0.2t-0.2-0.4v-7.4q0-1.4 1-2.4t2.4-1h1.2v-9.7q0-0.7 0.5-1.2t1.2-0.5h12q0.7 0 1.6 0.4t1.3 0.8l2.7 2.7q0.5 0.5 0.9 1.4t0.4 1.6v4.6h1.1q1.4 0 2.4 1t1 2.4z\"\/><\/svg><\/span><\/a><\/li><li class=\"shariff-button mailto shariff-nocustomcolor\" style=\"background-color:#a8a8a8\"><a href=\"mailto:?body=https%3A%2F%2Fwww.nico-maas.de%2F%3Fp%3D136&subject=c3560%20DHCP%20Snooping\" title=\"Send by email\" aria-label=\"Send by email\" role=\"button\" rel=\"noopener nofollow\" class=\"shariff-link\" style=\"; background-color:#999; 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background-color:#999; color:#fff\"><span class=\"shariff-icon\" style=\"\"><svg width=\"32px\" height=\"20px\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 30 32\"><path fill=\"#999\" d=\"M6.8 27.4h16v-4.6h-16v4.6zM6.8 16h16v-6.8h-2.8q-0.7 0-1.2-0.5t-0.5-1.2v-2.8h-11.4v11.4zM27.4 17.2q0-0.5-0.3-0.8t-0.8-0.4-0.8 0.4-0.3 0.8 0.3 0.8 0.8 0.3 0.8-0.3 0.3-0.8zM29.7 17.2v7.4q0 0.2-0.2 0.4t-0.4 0.2h-4v2.8q0 0.7-0.5 1.2t-1.2 0.5h-17.2q-0.7 0-1.2-0.5t-0.5-1.2v-2.8h-4q-0.2 0-0.4-0.2t-0.2-0.4v-7.4q0-1.4 1-2.4t2.4-1h1.2v-9.7q0-0.7 0.5-1.2t1.2-0.5h12q0.7 0 1.6 0.4t1.3 0.8l2.7 2.7q0.5 0.5 0.9 1.4t0.4 1.6v4.6h1.1q1.4 0 2.4 1t1 2.4z\"\/><\/svg><\/span><\/a><\/li><li class=\"shariff-button mailto shariff-nocustomcolor\" style=\"background-color:#a8a8a8\"><a href=\"mailto:?body=https%3A%2F%2Fwww.nico-maas.de%2F%3Fp%3D136&subject=c3560%20DHCP%20Snooping\" title=\"Send by email\" aria-label=\"Send by email\" role=\"button\" rel=\"noopener nofollow\" class=\"shariff-link\" style=\"; background-color:#999; 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August 2009","format":false,"excerpt":"Hostname: hostname test Image Upgrade: del \/r \/f flash:c3560-ipbase-mz.122-35.SE5 copy tftp:\/\/192.168.2.1\/images\/c3560-ipbasek9-mz.122-46.SE.bin flash: del - File rm - Folder Boot with other Image: boot system c3560-advipservicesk9-mz.122-46.SE.bin Portfast (on dhcpd Problems): spanning-tree portfast Switchport with Vlan 10: interface FastEthernet0\/1 switchport access vlan 10 switchport mode access description nativ macro description NATIV spanning-tree\u2026","rel":"","context":"In &quot;Cisco&quot;","block_context":{"text":"Cisco","link":"https:\/\/www.nico-maas.de\/?cat=33"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":212,"url":"https:\/\/www.nico-maas.de\/?p=212","url_meta":{"origin":136,"position":1},"title":"Using Cisco Vlans and Trunks on VMWare ESXi 3.5\/4","author":"Nico Maas","date":"24. July 2009","format":false,"excerpt":"Hello there, are you one of these ppl using ESXi on a small server\/pc under your desk to evaluate \/ develop software? Are you one of these fitting the whole ESXi World into one machine, one one IDE \/ SATA drive and without any other VMWare Administrative Instances as your\u2026","rel":"","context":"In &quot;Cisco&quot;","block_context":{"text":"Cisco","link":"https:\/\/www.nico-maas.de\/?cat=33"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":216,"url":"https:\/\/www.nico-maas.de\/?p=216","url_meta":{"origin":136,"position":2},"title":"Install SunRay Server Software 4.1 on Ubuntu JeOS Server 9.04 i386 (running under ESXi 4.0)","author":"Nico Maas","date":"24. July 2009","format":false,"excerpt":"Hi Guys, this Guide did cost me a lot of nerves and time, but its finally complete! The most of this stuff is ripped from this nearly perfect guide. But problem is, I did had some difficulties setting it up and got into serious troubles about dhcp (not working), dpkg\u2026","rel":"","context":"In &quot;Hardware&quot;","block_context":{"text":"Hardware","link":"https:\/\/www.nico-maas.de\/?cat=11"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":689,"url":"https:\/\/www.nico-maas.de\/?p=689","url_meta":{"origin":136,"position":3},"title":"Netgear WNCE2001 Notes","author":"Nico Maas","date":"26. July 2011","format":false,"excerpt":"We just got an Netgear WNCE2001 - and the need to support it. Basically, its an Wireless -> Ethernet Converter which does bridge an WIFI Network to an LAN \/ Ethernet Connector. You need to install it via WDS System or - plug it into an PC \/ Laptop, DHCP\u2026","rel":"","context":"In &quot;Network&quot;","block_context":{"text":"Network","link":"https:\/\/www.nico-maas.de\/?cat=32"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":184,"url":"https:\/\/www.nico-maas.de\/?p=184","url_meta":{"origin":136,"position":4},"title":"PXE Boot Acronis True Image Home 11","author":"Nico Maas","date":"18. July 2009","format":false,"excerpt":"Files needed: - smartdrv.exe - TFTPD Server - pxelinux.0 - memdisk - Download and unzip TFTD Server, create Folder \u201croot\u201d. - Start TFTP Server Settings: - Server Interface: Choose the right NIC - DHCP Server: Start Pool: 192.168.2.40 Size of pool: 4 Boot File: pxelinux.0 WINS\/DNS Server: 192.168.2.1 Default Router:\u2026","rel":"","context":"In &quot;Network&quot;","block_context":{"text":"Network","link":"https:\/\/www.nico-maas.de\/?cat=32"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.nico-maas.de\/wordpress\/wp-content\/uploads\/settings-207x300.png?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":204,"url":"https:\/\/www.nico-maas.de\/?p=204","url_meta":{"origin":136,"position":5},"title":"PXE Boot Bart PE","author":"Nico Maas","date":"22. July 2009","format":false,"excerpt":"As I have been using PXE now for the last days, I wanted to build myself up some nice PXE Images to load from the Network. And the one thing I wanted for sure, was an Bart PE PXE Boot. So I searched the Net, found two really good guides\u2026","rel":"","context":"In &quot;Network&quot;","block_context":{"text":"Network","link":"https:\/\/www.nico-maas.de\/?cat=32"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.nico-maas.de\/index.php?rest_route=\/wp\/v2\/posts\/136","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.nico-maas.de\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.nico-maas.de\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.nico-maas.de\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nico-maas.de\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=136"}],"version-history":[{"count":2,"href":"https:\/\/www.nico-maas.de\/index.php?rest_route=\/wp\/v2\/posts\/136\/revisions"}],"predecessor-version":[{"id":138,"href":"https:\/\/www.nico-maas.de\/index.php?rest_route=\/wp\/v2\/posts\/136\/revisions\/138"}],"wp:attachment":[{"href":"https:\/\/www.nico-maas.de\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=136"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nico-maas.de\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=136"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nico-maas.de\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=136"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}