Configuring and Verifying GLBP
GLBP configuration mimics HSRP configuration to a great degree. In fact, if you took the configuration in Example 6-1, removed the standby version 2 command (which applies only to HSRP), and replaced each standby with glbp, the result would be a completely valid GLBP configuration.
GLBP requires only a single interface subcommand on each router: the glbp group ip virtual-ip interface subcommand. The ideas behind this one command work just like HSRP as well: All routers use the same group number, and all routers configure the same virtual IP address.
Example 6-4 shows a GLBP configuration ...