User's Manual 808 Document #: LTRT-10632
Mediant 800B Gateway & E-SBC
(Recommended Physical Connectivity) If the Maintenance ports of both devices are
connected directly to each other without intermediation of switches, configure the
mode to 2RX/1TX:
Figure 42-1: Rx/Tx Mode for Direct Connection
If the two devices are connected through two (or more) isolated LAN switches (i.e.,
packets from one switch cannot traverse the second switch), configure the mode to
2RX/2TX:
Figure 42-2: Redundancy Mode for Two Isolated Switches
For Geographical HA (both units are located far from each other), 2Rx/1Tx port mode
connected to a port aggregation switch is the recommended option:
Figure 42-3: Rx/Tx Mode for Geographical HA
Note:
• When two LAN switches are used, the LAN switches must be in the same subnet
(i.e., broadcast domain).
• To configure Rx/Tx modes of the Ethernet ports, see 'Configuring Ethernet Port
Groups' on page 140
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