Dell Force10 S4820T FTOS Command Reference Guide - Page 626

www.dell.com | support.dell.com Example The VLAN contains tagged members with Link MTU of 1522 and IP MTU of 1500 and untagged members with Link MTU of 1518 and IP MTU of 1500. The VLAN's Link MTU cannot be higher than 1518 bytes and its IP MTU cannot be higher than 1500 bytes. Table 23-3. Difference between Link MTU and IP MTU Layer 2 Overhead Ethernet (untagged) VLAN Tag Untagged Packet with VLAN-Stack Header Tagged Packet with VLAN-Stack Header Link MTU and IP MTU Delta 18 bytes 22 bytes 22 bytes 26 bytes negotiation auto c e s Enable auto-negotiation on an interface. Syntax negotiation auto To disable auto-negotiation, enter no negotiation auto. Defaults Enabled. Command Modes INTERFACE Command History Version 8.3.19.0 Version 8.3.7.0 Version 8.1.1.0 Version 7.6.1.0 Version 7.5.1.0 pre-Version 6.2.1.0 Introduced on S4820T Introduced on S4810 Introduced on E-Series ExaScale Introduced on S-Series Introduced on C-Series Introduced for E-Series Usage This command is supported on C-Series, S-Series, and E-Series (TeraScale and ExaScale) 10/ Information 100/1000 Base-T Ethernet interfaces. The no negotiation auto command is only available if you first manually set the speed of a port to 10Mbits or 100Mbits. The negotiation auto command provides a mode option for configuring an individual port to forced-master/forced slave once auto-negotiation is enabled Note: The mode option is not available on non-10/100/1000 Base-T Ethernet line cards. 626 | Interfaces