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management
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... Switches are commonly managed by SNMP applications. These network
management applications communicate with managed devices using IP.
Even if the switch ...
...
Routers commonly communicate with an assortment of network management
and other infrastructural servers. Examples of these servers are
given in the "Network Management ...
... network management
and other infrastructural servers. Examples of these servers are
given in the "Network Management" section below. DNS itself,
however, may be an important exception.
...
... LAAs solves the problem of MAC addresses changing when a network
interface card changes, but LAAs have their own management problems
of configuration into end systems and maintaining uniqueness within
the enterprise.
...
... network layer protocols, upper layer protocols, and network
management tools, and must not be regarded as a panacea.
...
... stub domains. This may in fact be desirable for
security, but may present network management problems. One
possibility would be to develop a NAT MIB ...
... DNS, DHCP, and other address management
services. There presumably would need to be local servers within
...
... interfaces,
making it difficult to test whether a connectivity problem is due to
S0 or E0. Some management is possible as long as at least one IP
address on the router (e.g., E0) is reachable, since this will permit
...
... router, which one (if any) should/will respond to a ping? Other
network management mechanisms do not work cleanly with unnumbered
interface.
...
... Network Management ...
...
This section is intended to deal with those parts of network
management that are intimately associated with routers, rather than a
general discussion ...
... ports, SNMP, and TFTP. Network management scripts may contain hard-
coded references to IP addresses supporting these services ...
... Configuration Management ...
... Names and addresses of servers that participate in configuration
management may need to change, as well as the contents of the
configurations they provide. TFTP servers are commonly used here, as
...
... Fault Management ...
... Performance Management ...
... Performance information can be recorded in routers themselves, and
retrieved by network management scripts. Other performance
information may be sent to syslogd, or be kept in SNMP ...
... Accounting Management ...
... traps. Alternatively, the SNMP manager or other management
applications may periodically poll accounting information in routers,
...
... Security Management ...