Podcast
Questions and Answers
Static routes can be configured for both ______ and IPv6.
Static routes can be configured for both ______ and IPv6.
IPv4
The command used to configure a static route for IPv4 is ______ route.
The command used to configure a static route for IPv4 is ______ route.
ip
One type of static route is called a ______ static route.
One type of static route is called a ______ static route.
floating
A ______ static route is used when no other routes are available.
A ______ static route is used when no other routes are available.
Static routes are commonly implemented on a ______.
Static routes are commonly implemented on a ______.
Both IPv4 and IPv6 support standard, default, floating, and ______ static routes.
Both IPv4 and IPv6 support standard, default, floating, and ______ static routes.
The next hop in a static route can be identified by an IP address, exit interface, or ______.
The next hop in a static route can be identified by an IP address, exit interface, or ______.
To configure static host routes, the command used is ______ route.
To configure static host routes, the command used is ______ route.
R1 can ping R2, but cannot ping the ______ LAN.
R1 can ping R2, but cannot ping the ______ LAN.
The success rate for pinging 172.16.2.2 is ______ percent (5/5).
The success rate for pinging 172.16.2.2 is ______ percent (5/5).
R1’s gateway of last resort is ______ set.
R1’s gateway of last resort is ______ set.
C 2001:DB8:ACAD:3::/64 is directly connected via ______.
C 2001:DB8:ACAD:3::/64 is directly connected via ______.
While pinging 192.168.2.1, R1 had a success rate of ______ percent (0/5).
While pinging 192.168.2.1, R1 had a success rate of ______ percent (0/5).
The command used to view the IPv4 routing table is ______.
The command used to view the IPv4 routing table is ______.
The ping command to 2001:DB8:cafe:2::1 resulted in the message '% No valid ______ for destination'.
The ping command to 2001:DB8:cafe:2::1 resulted in the message '% No valid ______ for destination'.
In the example, three directly connected IPv6 static routes are configured on R1 using the exit ______.
In the example, three directly connected IPv6 static routes are configured on R1 using the exit ______.
Using a next-hop address is generally ______.
Using a next-hop address is generally ______.
The directly connected network for the address 2001:DB8:ACAD:2::1 is represented as ______.
The directly connected network for the address 2001:DB8:ACAD:2::1 is represented as ______.
R1's command used to ping an IPv6 address begins with 'ping ______:DB8:ACAD:2::2'.
R1's command used to ping an IPv6 address begins with 'ping ______:DB8:ACAD:2::2'.
Directly connected static routes should only be used with point-to-point ______ interfaces.
Directly connected static routes should only be used with point-to-point ______ interfaces.
In a fully specified static route, both the exit interface and the next-hop ______ address are specified.
In a fully specified static route, both the exit interface and the next-hop ______ address are specified.
R1 uses ______ to send ICMP Echo requests to test connectivity.
R1 uses ______ to send ICMP Echo requests to test connectivity.
This form of static route is used when the exit interface is a ______-access interface.
This form of static route is used when the exit interface is a ______-access interface.
The next hop must be directly connected to the specified exit ______.
The next hop must be directly connected to the specified exit ______.
Using an exit interface is optional; however, it is necessary to use a ______-hop address.
Using an exit interface is optional; however, it is necessary to use a ______-hop address.
In a fully specified static route, both the exit interface and the next-hop IPV6 ______ are specified.
In a fully specified static route, both the exit interface and the next-hop IPV6 ______ are specified.
If the IPv6 static route uses an IPv6 link-local address as the next-hop address, use a fully specified ______ route.
If the IPv6 static route uses an IPv6 link-local address as the next-hop address, use a fully specified ______ route.
A fully specified IPv6 static route must be used for IPv6 link-local address as the next-hop ______.
A fully specified IPv6 static route must be used for IPv6 link-local address as the next-hop ______.
The administrative distance of a static route can be increased to make the route less __________.
The administrative distance of a static route can be increased to make the route less __________.
The command to configure a default IPv4 route is __________.
The command to configure a default IPv4 route is __________.
If R2 fails, R1's routing table would show the __________ route being used.
If R2 fails, R1's routing table would show the __________ route being used.
A host route is defined as an IPv4 address with a __________-bit mask.
A host route is defined as an IPv4 address with a __________-bit mask.
To verify that the default routes to R2 are installed, you can use the command __________.
To verify that the default routes to R2 are installed, you can use the command __________.
The IPv4 subnet mask in a routing table determines how many bits must match between the destination IP address of the packet and the route in the ______.
The IPv4 subnet mask in a routing table determines how many bits must match between the destination IP address of the packet and the route in the ______.
A /0 mask indicates that none of the bits are required to ______.
A /0 mask indicates that none of the bits are required to ______.
The static default route matches all packets as long as a more specific match does not ______.
The static default route matches all packets as long as a more specific match does not ______.
The IPv6 prefix-length in a routing table also determines how many bits must ______ between the destination IP address of the packet and the route.
The IPv6 prefix-length in a routing table also determines how many bits must ______ between the destination IP address of the packet and the route.
Floating static routes are static routes that provide a ______ path to a primary static or dynamic route.
Floating static routes are static routes that provide a ______ path to a primary static or dynamic route.
The floating static route is only used when the primary route is not ______.
The floating static route is only used when the primary route is not ______.
The floating static route is configured with a higher ______ distance than the primary route.
The floating static route is configured with a higher ______ distance than the primary route.
By default, static routes have an administrative distance of ______, making them preferable to routes learned from dynamic routing protocols.
By default, static routes have an administrative distance of ______, making them preferable to routes learned from dynamic routing protocols.
The administrative distance represents the ______ of a route.
The administrative distance represents the ______ of a route.
A ::/0 prefix indicates that none of the bits are required to ______ in IPv6 routing.
A ::/0 prefix indicates that none of the bits are required to ______ in IPv6 routing.
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Study Notes
Module Overview
- Module Title: IP Static Routing
- Objectives include configuring both IPv4 and IPv6 static routes, default static routes, floating static routes, and static host routes.
Types of Static Routes
- Static routes can be used alongside dynamic routing protocols in networks.
- Types of static routes for IPv4 and IPv6 include:
- Standard static route
- Default static route
- Floating static route
- Summary static route
- Configuration commands:
ip routefor IPv4 andipv6 routefor IPv6.
Next-Hop Options
- Static routes can specify the next hop via an IP address, exit interface, or both.
IPv6 Routing Tables
- Each router only maintains entries for directly connected networks.
- IPv6 routes can include link-local addresses, requiring fully specified routes in certain configurations.
Configuring IP Static Routes
-
IPv6 Directly Connected Static Route:
- Use the exit interface to configure directly connected static routes; recommended to use a next-hop address.
-
IPv4 Fully Specified Static Route:
- Specify both exit interface and next-hop IP address, particularly in multi-access interfaces. Using next-hop address is mandatory when the exit interface is not defined.
-
IPv6 Fully Specified Static Route:
- Similar to IPv4, both exit interface and next-hop IPv6 address must be mentioned, especially for link-local addresses.
Default Static Routes
- Default routes are characterized by the prefix
::/0for IPv6 and0.0.0.0 0.0.0.0for IPv4. - Use a default static route to match all packets when no other specific routes are available.
Floating Static Routes
- Designed as backup paths for primary routes (static or dynamic).
- Configured with a higher administrative distance than primary routes, only activated if the primary route fails.
- Default administrative distance for static routes is 1, making them preferred unless configured otherwise.
Commands for Floating Static Routes
- Sample commands to set up default and floating static routes are provided for both IPv4 and IPv6.
Testing Floating Static Routes
- When primary routes go down (e.g. R2 serial interfaces are shut), the floating route takes over.
Static Host Routes
- Defined as routes that direct traffic to a specific host, using a 32-bit mask for IPv4 or a 128-bit mask for IPv6.
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