Dell S4048T, Configuration Manual

Page: 1221 / 1277

Hold Down: 0 centisec, Preempt: TRUE, AdvInt: 100 centisec
Accept Mode: FALSE, Master AdvInt: 100 centisec
Adv rcvd: 0, Bad pkts rcvd: 0, Adv sent: 310
Virtual MAC address:
00:00:5e:00:02:01
Virtual IP address:
2007::1 fe80::1
Tracking states for 2 resource Ids:
2 - Up IPv6 route, 2040::/64, priority-cost 20, 00:02:11
3 - Up IPv6 route, 2050::/64, priority-cost 30, 00:02:11
The following example shows verifying the VRRP configuration on an interface.
Dell#show running-config interface tengigabitethernet 1/8
interface TenGigabitEthernet 1/8
no ip address
ipv6 address 2007::30/64
vrrp-ipv6-group 1
track 2 priority-cost 20
track 3 priority-cost 30
virtual-address 2007::1
virtual-address fe80::1
no shutdown
Setting VRRP Initialization Delay
When configured, VRRP is enabled immediately upon system reload or boot. You can delay VRRP initialization
to allow the IGP and EGP protocols to be enabled prior to selecting the VRRP Master. This delay ensures that
VRRP initializes with no errors or conflicts. You can configure the delay for up to 15 minutes, after which
VRRP enables normally.
NOTE: When you reload a node that contains VRRP configuration and is enabled for VLT, Dell Networking
recommends that you configure the reload timer by using the
vrrp delay reload
command to ensure
that VRRP is functional. Otherwise, when you reload a VLT node configured for VRRP, the local
destination address is not seen on the reloaded node causing suboptimal routing.
Set the delay timer on individual interfaces. The delay timer is supported on all physical interfaces, VLANs, and
LAGs.
When you configure both CLIs, the later timer rules VRRP enabling. For example, if you set
vrrp delay
reload 600
and
vrrp delay minimum 300
, the following behavior occurs:
• When the system reloads, VRRP waits 600 seconds (10 minutes) to bring up VRRP on all interfaces that
are up and configured for VRRP.
• When an interface comes up and becomes operational, the system waits 300 seconds (5 minutes) to
bring up VRRP on that interface.
To set the delay time for VRRP initialization, use the following commands.
• Set the delay time for VRRP initialization on an individual interface.
INTERFACE mode
vrrp delay minimum seconds
This time is the gap between an interface coming up and being operational, and VRRP enabling.
Virtual Router Redundancy Protocol (VRRP) 1221