difference between ip default-gateway and default route

[cisco]

please help

regards

Neo

[Giuseppe Larosa · Accepted solution]

Hello Neo,

we use ip default-gateway when ip routing is disabled to provide a default gateway to a device like a L2 LAN switch

we use ip route 0.0.0.0 0.0.0.0 Gw-ipaddress when ip routing is enabled

if ip routing is enabled ip default-gateway command is ignored

if ip routing is disabled ip route 0.0.0.0 0.0.0.0 is not effective

Hope to help

Giuseppe

[rubberheart]

default-gateway for layer2

default route for layer3

[lamav]

ya

[fjcardenas-1]

default-gateway ........... is the port of exit from your subnet (exit of a broadcast domain) to another subnet, WAN, etc. It is usually the interface in the router to wich your network is connected. You define it as the IP address of the router connected to your subnet.

default route ......  If the packet doesn't match any subnet in the routing table and you have defined a default-route, the packet will take the default-route and the packet will be delivered to the next-hop defined in the default-route.

[Ganesh Hariharan]

please help
regards
Neo

Hi Neo,

All have given the exact answers for the difference let me also try to explain the same with my version

Default route is used as the gateway of last resort meaning if there is no more specific route the default route is used.

Default Gateway is used on a non routing device, meaning if the destination is off the local subnet use the default gateway.If you config default gateway on a router you must do "no ip routing" first.

Hope to Help !!

Ganesh.H

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