Dell Force10 E600i FTOS Version 8.4.1.5 Configuration Guide for ExaScale - Page 898

www.dell.com | support.dell.com INTERNET VLAN BLUE FTOS Behavior: The E-Series ExaScale and TeraScale forwards frames with TPID 0x8100 even when its own TPID is not 0x8100. This behavior is required to service ARP and PVST packets, which use TPID 0x8100. Figure 49-5. First-byte TPID Match on the E-Series ExaScale SERVICE PROVIDER TPID 0x9191 VLAN BLUE X VLAN GREEN R2-E-Series ExaScale TPID: 0x9100 R1-E-Series TeraScale TPID: 0x9191 VLAN GREEN, VLAN PURPLE VLAN PURPLE Building C Building D VLAN RED VLAN RED Table 49-1, "E-Series Behaviors for Mis-matched TPID," in Service Provider Bridging details the outcome of matched and mis-matched TPIDs in a VLAN-stacking network with the E-Series. Table 49-1. E-Series Behaviors for Mis-matched TPID Network Position Core Egress Access Point Incoming System Packet TPID TPID 0xUVWX 0xUVWZ 0xUVWX 0xUVYZ 0xQRST 0xUVYZ 0x81WX 0x81YZ 0xUVWZ 0xQRST Match Type 1st-byte match mismatch 1st-byte match TeraScale Behavior switch as 0xUVYZ drop switch as 0xUVYZ 1st-byte match mismatch switch as is (no decapsulation) drop ExaScale Behavior drop drop drop drop drop 898 | Service Provider Bridging