Setting the Switch’s IP Address (IP Version 6)
4-9
4
Renewing DCHP
– DHCP may lease addresses to clients indefinitely or for a
specific period of time. If the address expires or the stack is moved to another
network segment, you will lose management access to the stack. In this case, you
can reboot the stack or submit a client request to restart DHCP service via the CLI.
Web
– If the address assigned by DHCP is no longer functioning, you will not be
able to renew the IP settings via the web interface. You can only restart DHCP
service via the web interface if the current address is still available.
CLI
– Enter the following command to restart DHCP service.
Setting the Switch’s IP Address
(IP Version 6)
This section describes how to configure an initial IPv6 interface for management
access over the network. This switch supports both IPv4 and IPv6, and can be
managed through either of these address types. For information on configuring the
switch with an IPv4 address, see "Setting the Switch’s IP Address (IP Version 4)" on
page 4-5.
Configuring an IPv6 Address
IPv6 includes two distinct address types – link-local unicast and global unicast. A
link-local address makes the switch accessible over IPv6 for all devices attached to
the same local subnet. Management traffic using this kind of address cannot be
passed by any router outside of the subnet. A link-local address is easy to set up,
and may be useful for simple networks or basic troubleshooting tasks. However, to
connect to a larger network with multiple segments, the switch must be configured
with a global unicast address. Both link-local and global unicast address types can
either be manually configured or dynamically assigned.
Command Usage
• This section describes how to configure a single local interface for initial access to
the stack. To configure multiple IP interfaces on this stack, you must set up an IP
interface for each VLAN (page 19-4).
• To enable routing between the different interfaces on this stack, you must enable
IP routing (page 19-4).
• To enable routing between the interfaces defined on this stack and external
network interfaces, you must configure static routes (page 19-21) or use dynamic
routing; i.e., either RIP or OSPF (page 20-2 and 20-14, respectively).
• The precedence for configuring IP interfaces is the IP / General / Routing Interface
menu (page 19-5), static routes (page 19-21), and then dynamic routing.
• All IPv6 addresses must be formatted according to RFC 2373 “IPv6 Addressing
Architecture,” using 8 colon-separated 16-bit hexadecimal values. One double
colon may be used in the address to indicate the appropriate number of zeros
required to fill the undefined fields.
Console#ip dhcp restart client
39-2
Console#
Summary of Contents for 8926EM
Page 6: ...ii ...
Page 34: ...Getting Started ...
Page 44: ...Introduction 1 10 1 ...
Page 62: ...Initial Configuration 2 18 2 ...
Page 64: ...Switch Management ...
Page 76: ...Configuring the Switch 3 12 3 ...
Page 118: ...Basic Management Tasks 4 42 4 ...
Page 164: ...User Authentication 6 28 6 ...
Page 176: ...Access Control Lists 7 12 7 ...
Page 284: ...Quality of Service 14 8 14 ...
Page 294: ...Multicast Filtering 15 10 15 ...
Page 300: ...Domain Name Service 16 6 16 ...
Page 310: ...Dynamic Host Configuration Protocol 17 10 17 ...
Page 320: ...Configuring Router Redundancy 18 10 18 ...
Page 344: ...IP Routing 19 24 19 ...
Page 356: ...Unicast Routing 20 12 20 Web Click Routing Protocol RIP Statistics Figure 20 5 RIP Statistics ...
Page 386: ...Unicast Routing 20 42 20 ...
Page 388: ...Command Line Interface ...
Page 400: ...Overview of the Command Line Interface 21 12 21 ...
Page 466: ...SNMP Commands 24 16 24 ...
Page 520: ...Access Control List Commands 26 18 26 ...
Page 546: ...Rate Limit Commands 30 2 30 ...
Page 612: ...VLAN Commands 34 24 34 ...
Page 626: ...Class of Service Commands 35 14 35 ...
Page 670: ...DHCP Commands 39 16 39 ...
Page 716: ...IP Interface Commands 41 36 41 ...
Page 768: ...IP Routing Commands 42 52 42 ...
Page 770: ...Appendices ...
Page 791: ......