Users Guide

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Dell Networking OS installs a next hop that is on the directly connected subnet of current IP address on the interface.
Dell Networking OS also installs a next hop that is not on the directly connected subnet but which recursively resolves to a next hop on the
interface's congured subnet.
• When the interface goes down, Dell Networking OS withdraws the route.
• When the interface comes up, Dell Networking OS re-installs the route.
• When the recursive resolution is “broken,” Dell Networking OS withdraws the route.
• When the recursive resolution is satised, Dell Networking OS re-installs the route.
Congure Static Routes for the Management
Interface
When an IP address that a protocol uses and a static management route exists for the same prex, the protocol route takes precedence
over the static management route.
To congure a static route for the management port, use the following command.
• Assign a static route to point to the management interface or forwarding router.
CONFIGURATION mode
management route ip-address mask {forwarding-router-address | ManagementEthernet slot/port}
Example of the show ip management-route Command
To view the congured static routes for the management port, use the show ip management-route command in EXEC privilege
mode.
Dell#show ip management-route
Destination Gateway State Route Source
----------- ------- ----- ------------
10.16.0.0/16 ManagementEthernet 1/1 Connected Connected
172.16.1.0/24 10.16.151.4 Active Static
IPv4 Path MTU Discovery Overview
The size of the packet that can be sent across each hop in the network path without being fragmented is called the path maximum
transmission unit (PMTU). This value might vary for the same route between two devices, mainly over a public network, depending on the
network load and speed, and it is not a consistent value. The MTU size can also be dierent for various types of trac sent from one host
to the same endpoint.
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IPv4 Routing