6 vrrp – Asus GigaX3112 User Manual

Page 57

GigaX3112 Series Layer 3 Managed Switch

Note

4.6.5.3 PIM-DM

This function is used to conﬁgure PIM-DM.

Status: Enable or disable PIM-DM for speciﬁc interface.

Select the corresponding interface to configure parameters then click on the

Modify button. The field you changed will update the content in the display

window. To save any changes and make it effective immediately, click

OK. Use

Reload to refresh the setting.

The system only support PIM-DM version 2.
Before enabling, “IP Multicast Route Mode” in M-Route page

must choice “PIM-DM”.

Figure 48. PIM-DM Conﬁguration

4.6.6 VRRP

The Virtual Router Redundancy Protocol (VRRP) is designed to eliminate the

single point of failure inherent in the static default routed environment. VRRP

speciﬁes an election protocol that dynamically assigns responsibility for a virtual

router to one of the VRRP routers on a LAN. The VRRP router controlling the IP

address(es) associated with a virtual router is called the Master, and forwards

packets sent to these IP addresses. The election process provides dynamic fail-

over in the forwarding responsibility should the Master become unavailable. Any

of the virtual routerʼs IP addresses on a LAN can then be used as the default

first hop router by end-hosts. The advantage gained from using VRRP is a

higher availability default path without requiring conﬁguration of dynamic routing

or router discovery protocols on every end-host.

Virtual ID: Virtual router ID, range 1 to 255. One virtual router ID can be

used as the default gateway for one or several vlan

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