HSRP desgin

[zinkann]

I have two 4506's that i want to run HSRP on. One of them is my core switch, doing all of the intervlan routing on my network. I plan to have the same configuration on the new 4506. HSRP is very easy to configure, i understand how it works and how to configure it. I'm confused on what kind of link that needs to be between the 4506's. Does it need to be a trunk carrying all of my vlans? Does it need to be a l3 link with two different IP's on each physical interface? Thanks.

CCNA, Network+

 

[Belushi]

The link between the two switches is setup as a layer 2 trunk that carries the vlans for which HSRP are enabled. The switch/router in this case is the gateway for that layer 2 segment. You can obviously choose which switch you want to be the active gateway for each HSRP group and perform some type of load balancing based upon that if you so choose.

Make sure that you allow preemption if you want the initial primary gateway to re-take that role upon becoming the standby for whatever reason.

 

[zinkann]

I'm setting up a small test lab with two 3560's. I also configured a trunk between these two switches carrying all of the vlans that is on the primary switch. Like i said i plan to configure this on my 4506's. I'd like to configure all of my servers to connect to two layer 2 3560's. (a NIC going to each switch), then have the layer 2 switches connect to the core 4506's with redundant links. Each Layer 2 switch will have a connection to a 4506. I am assuming i would leave STP on and let it block one port on each of my layer 2 switches to the 4506's. Does this sound correct? Sorry i have no pictures to reference.

3560-1

interface Vlan1
ip address 10.1.1.2 255.255.255.0
standby ip 10.1.1.1
standby priority 150
!
interface Vlan2
ip address 10.2.2.2 255.255.255.0
standby ip 10.2.2.1
standby priority 150
!
interface Vlan3
ip address 10.3.3.2 255.255.255.0
standby ip 10.3.3.1
standby priority 150



3560-2

interface Vlan1
ip address 10.1.1.3 255.255.255.0
standby ip 10.1.1.1
standby priority 125
!
interface Vlan2
ip address 10.2.2.3 255.255.255.0
standby ip 10.2.2.2
standby priority 125
!
interface Vlan3
ip address 10.3.3.3 255.255.255.0
standby ip 10.3.3.2
standby priority 125

CCNA, Network+

 

[zinkann]

I was just thinking about that. If i have 2 layer 2 links from each layer 2 3560, and a trunk between my two 4506's, then that would be considered a STP loop as well and one of those would be in blocking more. This is getting tricky or am i over thinking it?

CCNA, Network+