hsrp/vrrp/irdp and dhcp features

From: mani poopal (mani_ccie@yahoo.com)
Date: Sat Mar 26 2005 - 00:34:10 GMT-3


Hi Group,
 
I have some doubts about these features. So lets assume R1 and R2 connected by ethernet link(vlan 10).
 
R1 e0 ----------------150.50.5.0/24---VLAN 10 ---------------------e 0 R2
 
(1.)-A If question asks for vlan 10 users should prefer R1 and if not available R2
If nothing specified, what is a good solution, hsrp, vrrp or irdp. If we were to use hsrp or vrrp, what ip address to configured to use for virtual ip address(eg: stanby 1 ip x.y.z.k). Can we assume any arbitary address in the vlan 10 range.
 
(1)-B for the same question as above, if there is a switch without routing enabled, if you need access from switch to rest of the network, in the ip default-gateway x.x.x.x, what is the ip to be used R1 eo or R2 e0 or virtual ip address(If vrrp or hsrp is used)
 
(2.)The same scenario, if they ask not to use hsrp, what is the best method to use, vrrp or irdp.
 
(3.)The same scenario, if they ask to configure DHCP on R2 and for redundency not to use HSRP. What we will use, is it VRRP or IRDP, if it is IRDP do we define a defalt-router in the dhcp configuration.
 
(4.)So how do we determine the best method(out of hsrp, vrrp, irdp) if we were to use hsrp or vrrp and if the virutal ip adress is not given, do we have to select an arbitary adddress(in the range of vlan) for virtual ip address. Does vrrp support interface tracking feature and if what is the command and mode.
 
(5.)If we were to use irdp, how the question can be phrased, clues for key word
 
(6.)If anybody can send me an URL for exact differences for these features it will be great
 
again thanks in advance
 
Mani

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