- 81 -
•
Priority
—Priority of the bootstrap router in the range 0–255, with the larger priority being preferred. If the priority
values are the same, the router with the larger IP address will be the preferred bootstrap router.
To delete this router as a candidate for being a bootstrap router, use the
no
form of this command:
5.10.3 Setting Up RP Candidacy
To configure the router to advertise itself as PIM candidate rendezvous point (RP) to the bootstrap router, use the
following global configuration command:
Router(config)#
ip pim rp-candidate
<
ifname
>
•
Ifname
—IP address associated with this router interface is advertised as a candidate RP address.
To delete this router as a candidate for being an RP, use the
no
form of this command.
5.11 Enabling Directed Broadcast-to-Physical Broadcast Translation
By default, IP directed broadcasts are dropped that is they are not forwarded. Dropping IP directed broadcasts makes
routers less susceptible to denial-of-service attacks.
You can enable forwarding of IP directed broadcasts on an interface where the broadcast becomes a physical
broadcast.
To enable forwarding of IP directed broadcasts, use the
ip directed-broadcast
command in router interface
configuration mode.
5.12 Monitoring and Maintaining the Network
You can monitor the network by displaying specific statistics such as the contents of IP routing tables and databases.
The resulting information can be used to determine resource utilization and to solve network problems. You also can
display information about node reach-ability and discover the routing path that your device's packets are taking
through the network.
Use any of the following commands in top mode.
Command Purpose
show arp
[
interface
]
Display the entries in the ARP table.
show access-lists
[
access-list-name
]
Display the contents of one or all current access lists.
show ip prefix-list
[
prefix-list-name
]
Display the contents of current IP prefix lists.
show ip protocols
Display active IP routing protocol statistics.
show ip irdp
Display IRDP values.
show ip route
[
bgp
|
rip
|
ospf
|
connected
|
kernel
|
static
|
address
|
prefix
]
Display the current state of the routing table.