Alteon Application Switch Operating System Application Guide
Basic IP Routing
Document ID: RDWR-ALOS-V2900_AG1302 113
Subnet Routing Example
The following is an example of IP subnet routing using Alteon:
Figure 11: Example Configuration IP Subnet Routing with Alteon
Alteon connects the Gigabit Ethernet trunks from various switched subnets throughout one building.
Common servers are placed on another subnet attached to Alteon. A primary and backup router are
attached to Alteon on yet another subnet.
Without Layer 3 IP routing, cross-subnet communication is relayed to the default gateway (in this
case, the router) for the next level of routing intelligence. The router fills in the necessary address
information and sends the data back to Alteon, which then relays the packet to the proper
destination subnet using Layer 2 switching.
With Layer 3 IP routing in place, routing between different IP subnets can be accomplished entirely
within Alteon. This leaves the routers free to handle inbound and outbound traffic for this group of
subnets.
Example IP Subnet Routing Configuration
Notes
• Prior to configuration, you must be connected to the CLI as the administrator.
• For details about accessing and using any of the menu commands described in this example, see
the Alteon Application Switch Operating System Command Reference.
1. Assign an IP address (or document the existing one) for each real server, router, and client
workstation.
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