The diagrams in this section illustrate examples of Ethernet link redundancy configurations. The diagrams display adjacent ports bundled in a LAG.
GE-2 Line Module Configurations
These diagrams compare physical port redundancy and link redundancy on a GE-2 line module.
Figure 22 displays a GE-2 line module with physical port redundancy on both ports.
Figure 22: GE-2 Line Module Using Physical Port Redundancy
Figure 23 displays a single-homed configuration with port 0 backing up port 1 on a GE-2 line module.
Figure 23: Single-Homed GE-2 Line Module Configuration
FE-8 Line Module Configurations
Figure 24 displays an FE-8 line module with a link failure in a 1:N single-homed configuration.
Figure 24: Single-Homed FE-8 Line Module Configuration (1:N)
Figure 25 displays an FE-8 line module with four redundant Ethernet links in a 1:1 configuration.
Figure 25: FE-8 Line Module with 4 Redundant Ethernet Links (1:1)
E120 and E320 Router Configurations
Figure 26 and Figure 27 display link redundancy configurations on the E120 and E320 routers.
Figure 26 displays a single-homed 1:4 configuration on an E120 router.
Figure 26: Single-Homed GE-4 IOA Configuration (1:4)
Figure 27 displays an E320 router with 1:N configuration across IOAs.
Figure 27: GE-8 IOA Configuration Across IOAs (1:N)
Dual-Homed Configurations with LAG Disabled
Figure 28 displays how you can configure Ethernet link redundancy with LACP disabled locally using a dual-homed configuration. LACP is disabled because there is no LAG at the peer.
Figure 28: Dual-Homed Configuration (1:1)
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