security-suite deny martian-addresses
147
■
reserved
— Specify to discard packets with source address or
destination address in the block of the reserved IP addresses. See the
usage guidelines for a list of reserved addresses.
Default Configuration
Martian addresses are allowed.
Command Mode
Global Configuration mode
User Guidelines
The following table describes the reserved addresses:
The following table describes some other Special IP addresses:
Address block
Present use
0.0.0.0/8 (except 0.0.0.0/32
as source address)
Addresses in this block refer to source hosts on
"this" network.
127.0.0.0/8
This block is assigned for use as the Internet host
loopback address.
192.0.2.0/24
This block is assigned as "TEST-NET" for use in
documentation and example code.
224.0.0.0/4 as source
This block, formerly known as the Class D address
space, is allocated for use in IPv4 multicast
address assignments.
240.0.0.0/4 (except
255.255.255.255/32 as
destination address)
This block, formerly known as the Class E address
space, is reserved.
Address block
Present use
10.0.0.0/8
Private-Use Networks.
169.254.0.0/16
This is the "link local" block. It is allocated for
communication between hosts on a single link.
Hosts obtain these addresses by
auto-configuration, such as when a DHCP server
may not be found.
172.16.0.0/12
Private-Use Networks.
192.88.99.0/24
This block is allocated for use as 6to4 relay
anycast addresses.
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Страница 18: ......
Страница 40: ...40 CHAPTER 2 AAA COMMANDS ...
Страница 54: ...54 CHAPTER 3 ACL COMMANDS ...
Страница 76: ...76 CHAPTER 4 ADDRESS TABLE COMMANDS ...
Страница 165: ...show sntp status 165 g13 0 0 0 0 00 00 00 0 Feb 19 2005 vlan 1 16 1 1 2 00 15 15 16 0 LLBG Feb 19 2006 ...
Страница 166: ...166 CHAPTER 10 CLOCK COMMANDS ...
Страница 200: ...200 CHAPTER 13 LACP COMMANDS ...
Страница 208: ...208 CHAPTER 14 POWER OVER ETHERNET COMMANDS ...
Страница 262: ...262 CHAPTER 15 SPANNING TREE COMMANDS ...
Страница 278: ...278 CHAPTER 17 RADIUS COMMAND ...
Страница 281: ...show ports monitor 281 g1 8 RX TX Active g2 8 RX TX Active g18 8 RX Active ...
Страница 282: ...282 CHAPTER 18 PORT MONITOR COMMANDS ...
Страница 306: ...306 CHAPTER 19 SNMP COMMANDS ...
Страница 316: ...316 CHAPTER 20 IP ADDRESS COMMANDS ...
Страница 330: ...330 CHAPTER 22 WIRELESS ROGUE AP COMMANDS ...
Страница 350: ...350 CHAPTER 23 WIRELESS ESS COMMANDS ...
Страница 382: ...382 CHAPTER 25 SSH COMMANDS ...
Страница 400: ...400 CHAPTER 27 TACACS COMMANDS Global values TimeOut 3 ...
Страница 444: ...444 CHAPTER 31 USER INTERFACE COMMANDS ...
Страница 454: ...454 CHAPTER 32 GVRP COMMANDS ...
Страница 492: ...492 CHAPTER 34 802 1X COMMANDS ...
Страница 521: ...Troubleshooting Solutions 521 ...
Страница 522: ...522 CHAPTER 37 TROUBLESHOOTING ...