Enterasys SecureStack C2

Configuring VRRP
17-38 IPv4 Routing Protocol Configuration
Parameters
Defaults
Ifvlanvlan‐idisnotspecified,IRDPinformationforallinterfaceswillbedisplayed.
Mode
Interfaceconfiguration:C2(su)‐>router(Config‐if(Vlan1))#
Example
ThisexampleshowshowtodisplayIRDPinformationfortheVLAN1interface:
C2(su)->router(Config)#interface vlan 1
C2(su)->router(Config-if(vlan 1))#show ip irdp vlan 1
Interface vlan 1 has router discovery enabled
Advertisements will occur between 450 and 600 seconds
Advertisements are sent with broadcasts
Advertisements are valid for 1800 seconds
Default preference will be 0
Configuring VRRP
Purpose
ToenableandconfiguretheVirtualRouterRedundancyProtocol(VRRP).Thisprotocol
eliminatesthesinglepointoffailureinherentinthestaticdefaultroutedenvironmentby
transferringtheresponsibilityfromoneroutertoanotheriftheoriginalroutergoesdown.VRRP‐
enabledroutersdecidewhowillbecomemasterandwhowill
becomebackupintheeventthe
masterfails.
Commands
vlanvlan‐id (Optional)DisplaysIRDPinformationforaspecificVLAN .ThisVLAN
mustbeconfiguredforIProutingasdescribedin“Pre‐Routing
ConfigurationTasks”onpage15‐1.
* Advanced License Required *
VRRP is an advanced routing feature that must be enabled with a license key. If you have purchased an
advanced license key, and have enabled routing on the device, you must activate your license as described
in “Activating Licensed Features” on page 15-3 in order to enable the VRRP command set. If you wish to
purchase an advanced routing license, contact Enterasys Networks Sales.
For information about... Refer to page...
router vrrp 17-39
create 17-39
address 17-40
priority 17-41
advertise-interval 17-42