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Default routes are used to direct packets addressed to networks not explicitly listed in the routing table. Default routes are invaluable in topologies where learning all the more specific networks is not desirable, as in case of stub networks, or not feasible due to limited system resources...
References: 7 TAC | 2 Support Community - View All
www.cisco.com/en/US/tech/tk365/technologies_tech_note09186a0080094374.shtml
10 Aug 2005
This document introduces basic concepts about static routes. This document uses a problem scenario to demonstrate the circumstances under which it is desirable to specify the interface through which the next hop IP address can be reached when you configure a static...
References: 13 TAC | 1 Support Community - View All
www.cisco.com/en/US/tech/tk365/technologies_tech_note09186a00800ef7b2.shtml
30 Oct 2006
This document explains the concept of IP unnumbered, and provides several configuration examples for reference. The ip unnumbered configuration command allows you to enable IP processing on a serial interface without assigning it an explicit IP address....
www.cisco.com/en/US/tech/tk648/tk362/technologies_tech_note09186a0080094e8d.shtml
26 Oct 2005
This document provides a sample configuration with the ip nat outside source list command, and includes a brief description of what happens to the IP packet during the NAT process. You can use this command to translate the source address of...
References: 5 TAC | 1 Support Community - View All
www.cisco.com/en/US/tech/tk648/tk361/technologies_configuration_example09186a0080093f8e.shtml
24 Jan 2006
VLANs divide broadcast domains in a LAN environment. Whenever hosts in one VLAN need to communicate with hosts in another VLAN, the traffic must be routed between them. This is known as inter-VLAN routing. On Catalyst switches it is accomplished by creating Layer 3 interfaces (Switch virtual interfaces...
References: 9 TAC | 4 Support Community - View All
www.cisco.com/en/US/tech/tk389/tk815/technologies_configuration_example09186a008019e74e.shtml
02 Apr 2012
...installed in the routing table of the ABR or ASBR. If for any reason you do not want to use the external or internal...entering the no discard-route command with either the external...internal routes are summarized, a summary route to Null0 will...router output from the show ip route command. See the router...downloaded static route Gateway of last resort is not set 172.16...bold font: RouterB# configure terminal Enter configuration...
www.cisco.com/en/US/docs/ios/12_2/iproute/command/reference/1rfospf.html
16 Oct 2007
...cleared the configuration On a VG200 that has never been configured The ip route 0.0.0.0 0.0.0.0 ip_address_of_gateway command causes the VG200 to install a gateway of last resort on the routing table. The...
References: 5 TAC | 1 Support Community - View All
www.cisco.com/en/US/products/sw/voicesw/ps556/products_tech_note09186a008017787b.shtml
01 Nov 2006
This document explains how to configure interVLAN routing with Cisco Catalyst 3750/3560/3550 series switches. The document provides a sample configuration for interVLAN routing with a Catalyst 3550 series switch that runs enhanced multilayer image (EMI) software in a typical...
www.cisco.com/en/US/tech/tk389/tk815/technologies_configuration_example09186a008015f17a.shtml
23 Feb 2012
...are useful for specifying a gateway of last resort to which all unroutable packets will be sent. To configure a static route, use the following command in global configuration mode...Purpose Router(config)# ip route prefix mask {ip-address...
www.cisco.com/en/US/docs/ios/12_2/ip/configuration/guide/1cfindep.html
01 May 2001
...route, see the Configuring a Gateway of Last Resort Using IP Commands tech note...refer to the Configuring a Gateway of Last Resort Using IP Commands tech note on...
www.cisco.com/en/US/docs/routers/access/2900/hardware/installation/guide/Configure.html
16 Jul 2010