Brocade Multi-Service IronWare Switching Configuration Guide (Supporting R05.6.00) - Manual (Page 260)

230 Multi-Service IronWare Switching Configuration Guide
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Application of a standalone ESI
8
The following CLI commands create the scenario shown in Figure 20 .
Brocade(config)# esi ESI_1 encapsulation cvlan
Brocade(config-esi-ESI_1)# vlan 10
Brocade(config-esi-ESI_1-vlan-10)# tagged ethernet 1/1
Brocade(config-esi-ESI_1-vlan-10)# tagged ethernet 1/4
Brocade(config-esi-ESI_1-vlan-10)# vlan 20
Brocade(config-esi-ESI_1-vlan-20)# tagged ethernet 1/2
System operation without a single flood domain
Without a single flood domain configuration, the system operates in the following manner:
• A packet received on 1/1 is sent out on 1/2 with a CVLAN mapping of 20.
• A packet received on 1/2 is sent out on 1/4 with a CVLAN mapping of 10.
• A packet received on 1/4 with a CVLAN mapping of 10 is sent to 1/2 with a CVLAN mapping of
20.
Configuring a flood domain with VLAN translation
You can create a flood domain inside an ESI using the single-flood-domain command. A VLAN
within an ESI normally defines a flood domain, but when single flood domain is configured, all the
VLANs in that ESI become part of one flood domain. In this case every broadcast packet or
unknown unicast packet is flooded in all the VLANs in the ESI. When a A C-ESI or S-ESI are
configured for single flood domain, they cannot be coupled together.
FIGURE 21 Flood domain
CVLAN translation
Figure 21 shows a configuration for a C-ESI. This combines VLAN 10 and VLAN 20 into one flooding
domain.
With this configuration: