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It's when you receive and *accept* an ICMP redirect message from a rogue machine telling you that there's a better path (via a different gateway) to the network you want to reach.
You can and generally should disable it whenever possible.
On modern Linux you can do so by setting:
net.ipv4.conf.all.accept_redirects = 0
net.ipv4.conf.all.send_redirects = 0Insert mode
What else can I help you with?
Which routing protocol maintains a topology table separate from the routing table?
EIGRP
Which type of routing allows routers to automatically build their routing table?
it is dynamic routing.
Describe the role of the routing table on a host and on a router?
Describe the role of the routing table on a host and on a router.
Which command can be used to view a routing table and add modify or remove static entries from the routing table?
route
When will a router select the indicated path as the best match?
After checking with its Routing Table (table creation depends on Routing Protocol).
What three ways are the routing table populated?
1. Do it yourself. 2. Don't do it yourself. 3. Don't have a routing table.
What is the similarities and differences between the windows routing table and the router routing table?
That depends entirely on what Operating System the router is running
How does route poisoning prevent routing loops?
Failed routes are advertised with a metric of infinity.
Which commands isolate routing table problems?
debug ip routing show ip route
A router that uses the RIP routing protocol has an entry for a network in the routing table It then receives an update with another entry for the same destination network but with a lower hop count?
it will append the update information to the routing table
A router that uses the RIP routing protocol has an entry for a network in the routing table. It then receives an update with another entry for the same destination network but with a lower hop count.?
it will append the update information to the routing table
What is routing table?
A routing table has columns for at least three types of information, Network ID, the Cost and The ID of the next Router called Next Hop.
