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Configuration Overview
Configuring VRRP
page 16-8
OmniSwitch 6624/6648 Network Configuration Guide
April 2004
•
Preempt mode
. By default, preempt mode is enabled. Use
no preempt
to turn it off, and
preempt
to
turn it back on. For more information about the preempt mode, see
“Setting Preemption for Virtual
Routers” on page 16-10
.
•
Advertising interval
(in seconds). Use the
interval
keyword with the desired number of seconds for the
delay in sending VRRP advertisement packets. The default is 1 second. See
“Configuring the Adver-
tisement Interval” on page 16-9
.
•
VRRP authentication
. By default, VRRP packets are not authenticated; use
authenticate
to enable
simple text password authentication. A password of up to 16 characters must be entered. Use
no
authenticate
to disable authentication. See
“Configuring VRRP Authentication” on page 16-10
.
The following example creates a virtual router (with VRID 7) on VLAN 2 with a priority of 75. VRRP
messages will be sent at intervals of 2 seconds, and VRRP packets will be authenticated with the pass-
word
wwwtoe
.
-> vrrp 7 2 priority 75 no preempt interval 2 authenticate wwwtoe
Note.
All virtual routers with the same VRID on the same LAN should be configured with the same adver-
tising interval; otherwise the network may produce duplicate IP or MAC address messages. These virtual
routers should be configured with the same authentication setting. If authentication is enabled, all routers
must have the same password.
The
vrrp
command may also be used to specify whether the virtual router is enabled or disabled (it is
disabled by default).
However, the virtual router must have an IP address assigned to it before it can be
enabled
. Use the
vrrp ip
command as described in the next section to specify an IP address or addresses.
For more information about the
vrrp
command syntax, see the
OmniSwitch CLI Reference Guide
.
Specifying an IP Address for a Virtual Router
An IP address must be specified before a virtual router may be enabled. To specify an IP address for a
virtual router, use the
vrrp ip
command and the relevant IP address. For example:
-> vrrp 6 4 ip 10.10.2.3
-> vrrp 6 4 enable
In this example, the
vrrp ip
command specifies that virtual router 6 on VLAN 4 will be used to backup IP
address 10.10.2.3. The virtual router is then enabled with the
vrrp
command.
Currently the OmniSwitch does not support multiple IP addresses on a single virtual router. If an
OmniSwitch is the IP address owner for a virtual router, then that address must be assigned to the virtual
router. If the OmniSwitch is configured as a backup for a VRRP router that allows more than one IP
address to be assigned to a virtual router, then multiple addresses may be assigned to the virtual router.
To remove an IP address from a virtual router, use the
no
form of the
vrrp ip
command. For example:
-> vrrp 6 4 disable
-> vrrp 6 4 no ip 10.10.2.3
In this example, virtual router 6 is disabled. (A virtual router must be disabled before IP addresses may be
added/removed from the router.) IP address 10.10.2.3 is then removed from the virtual router with the
no
form of the
vrrp ip
command.
Содержание OmniSwitch 6624
Страница 1: ...Part No 060179 10 Rev C April 2004 OmniSwitch 6624 6648 Network Configuration Guide www alcatel com...
Страница 22: ...Contents xxii OmniSwitch 6624 6648 Network Configuration Guide April 2004...
Страница 174: ...Verifying 802 1Q Configuration Configuring 802 1Q page 9 12 OmniSwitch 6624 6648 Network Configuration Guide April 2004...
Страница 264: ...Verifying the RIP Configuration Configuring RIP page 13 16 OmniSwitch 6624 6648 Network Configuration Guide April 2004...
Страница 276: ...Verifying the RDP Configuration Configuring RDP page 14 12 OmniSwitch 6624 6648 Network Configuration Guide April 2004...