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4-1
v1.0, May, 2008
Chapter 4
Configuring Routing
GS700TR Smart Switch supports IP routing. Use the links in the Routing navigation tree folder to
manage routing on the system. This section contains the following information:
• “Configuring IP Settings” on page 4-1
• “Configuring VLAN Routing” on page 4-7
• “Configuring Router Discovery” on page 4-10
• “Configuring and Viewing Routes” on page 4-12
• “Configuring ARP” on page 4-14
When a packet enters the switch, the destination MAC address is checked to see if it matches any
of the configured routing interfaces. If it does, then the silicon searches the host table for a
matching destination IP address. If an entry is found, then the packet is routed to the host. If there
is not a matching entry, then the switch performs a longest prefix match on the destination IP
address. If an entry is found, then the packet is routed to the next hop. If there is no match, then the
packet is routed to the next hop specified in the default route. If there is no default route
configured, then the packet is passed to the software to be handled appropriately.
The routing table can have entries added either statically by the administrator or dynamically via a
routing protocol. The host table can have entries added either statically by the administrator or
dynamically via ARP.
Configuring IP Settings
Use the following web pages to configure and display IP routing data:
• “IP Configuration” on page 4-1
• “VLAN Routing Wizard” on page 4-2
• “IP Statistics” on page 4-4
IP Configuration
Use the IP Configuration page to configure routing parameters for the switch.