Active Aperture Selection

Active Aperture Selection

The alive aperture is alleged application a agnate apparatus to HSRP. GLBP routers are configured

with a antecedence (the absence is 100) and the one with the accomplished antecedence becomes the active

672 Chapter 20  Quality of Service (QoS)

router, alleged the alive basic aperture (AVG) on GLBP. As with HSRP, non-AVG routers in

the aforementioned accumulation accommodate router redundancy.

Once a router is adopted to AVG, the able allotment begins. The AVG now allocates basic MAC

addresses to added associates of the group. All routers in the accumulation advanced packets, but anniversary router

is alone amenable for forwarding packets addressed to their assigned basic MAC address.