Configuration Guide User guide

832 FastIron Configuration Guide
53-1002494-02
Multi-Chassis Trunking Overview
22
Broadcast, unknown unicast, and multicast (BUM) traffic from a client through a CEP
1. Traffic originates at the client and enters one of the MCT cluster devices through a CEP.
2. The traffic is sent to the peer cluster device through the ICL link and also sent to any local
CCEPs and CEPs. Once traffic is received on the peer cluster device, it will be sent to its local
CEPs.
3. Traffic does not pass back down to the client through the CCEP.
Refer to Figure 98.
FIGURE 98 MCT data flow - BUM traffic from a CEP
OR
OR
CEP
CCEP
Host B
Cluster
Device 1
Cluster
Device 2
X
3
2
2
1
2
2
2