{"id":210,"date":"2019-03-11T23:13:13","date_gmt":"2019-03-11T15:13:13","guid":{"rendered":"https:\/\/www.theinsecurewire.com\/?p=210"},"modified":"2019-03-11T23:13:13","modified_gmt":"2019-03-11T15:13:13","slug":"deploying-dell-vlt-on-os10","status":"publish","type":"post","link":"https:\/\/www.insecurewi.re\/index.php\/2019\/03\/11\/deploying-dell-vlt-on-os10\/","title":{"rendered":"Deploying Dell vLT on OS10"},"content":{"rendered":"

I was recently asked to assist our training environment with the deployment of mid market Dell data center utilizing OS 10 and Virtual Link Trunking. VLT is Dell’s implementation of multi-chassis etherchannel, similar to Cisco’s Virtual Port Channel. OS10 is an open networking platform, runs on Debian Linux and boots of the ONIE (Open Network Install Environment) boot loader. <\/p>\n

For this environment \/ lab here is our bill of materials:
\n2 x Dell S4112F-ON
\n2 x Dell R640 1 RU servers
\n1 x Dell sc3000v2 SAN
\n1 x Palo Alto Networks PA-220
\n

\"Dell<\/a>

Dell Data Centre Design<\/p><\/div>\n

Dell vLT allows multiple switches to appear as one logical unit. VLT has layer 3 routing features and as such out of box can replace FHRR protocols such as VRRP. In this design there is a pair of S4112F-ON switches connected at 100gb\/s. The left side is PVST+ root bridge for all VLANs and it is also the primary vLT peer. One thing to note in regard to the Dell vLT peer-routing feature. Both L3 SVI IP addresses will perform IP routing for a subnet, if the primary switch in a VLT peer goes down then the secondary will transparently respond to IP routing request. You can not ping the primary gateway IP when this fail over scenario is in affect. Note that vLT port-channels require a mirror of configuration on both switch members. This is regardless of access or trunk mode port-channels. There is an example below.<\/p>\n

Here is the OS10 (10.4.2.2.265) configuration to achieve the above vLT design:
\nCore-1<\/strong>
\nvlt-domain 1
\nbackup destination 192.168.x.2
\ndiscovery-interface ethernet 1\/1\/14-1\/1\/15
\npeer-routing
\nprimary-priority 1
\nvlt-mac 00:11:22:33:44:56<\/p>\n

interface port-channel3
\ndescription PA-Internet-Uplink
\nno shutdown
\nswitchport access vlan 550
\nvlt-port-channel 3<\/p>\n

interface ethernet1\/1\/7
\ndescription Link-1-to-PA
\nno shutdown
\nchannel-group 3
\n<\/code><\/p>\n

Core-2<\/strong>
\nvlt-domain 1
\nbackup destination 192.168.x.1
\ndiscovery-interface ethernet 1\/1\/14-1\/1\/15
\npeer-routing
\nvlt-mac 00:11:22:33:44:56<\/p>\n

interface port-channel3
\ndescription PA-Internet-Uplink
\nno shutdown
\nswitchport access vlan 550
\nvlt-port-channel 3<\/p>\n

interface ethernet1\/1\/7
\ndescription Link-1-to-PA
\nno shutdown
\nchannel-group 3
\n<\/code><\/p>\n

Update 24\/09\/20: Example Diagram edited to show the correct vLT port channel groups for the servers.<\/p>\n","protected":false},"excerpt":{"rendered":"

I was recently asked to assist our training environment with the deployment of mid market Dell data center utilizing OS 10 and Virtual Link Trunking….<\/p>\n","protected":false},"author":2,"featured_media":983,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-210","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dell"],"acf":[],"yoast_head":"\nDeploying Dell vLT on OS10 - Insecure Wire<\/title>\n<meta name=\"description\" content=\"Deployment of mid market Dell datacentre utilising OS10 and Virtual Link Trunking\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.insecurewi.re\/index.php\/2019\/03\/11\/deploying-dell-vlt-on-os10\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Deploying Dell vLT on OS10 - 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