06-28-2007 11:59 AM - edited 03-05-2019 05:01 PM
hi,
when i configure HSRP do i have to configure the same configuration on both the routers or will both be working at once?can i have 4 diffent servers on one Switch(4507R) and other 4 on other?will this work or do i have to put all the eight servers on one switch???
06-28-2007 01:56 PM
Hi Mathur,
the concept of HSRP is to provide protection from a single router failure, so you need the two routers functioning
and communication stablished between them in order to configure HSRP,
This is a basic scenarion with two routers and one switch, their fast ethernet connections connect to the switch, you can
have your servers connected to the switch as well , servers default gateway will be the HSRP IP address.
RouterA
interface fastethernet 0
Description Connection to switch1_port1_VLAN2
ip address 1.0.0.1 255.0.0.0
standby 1 ip 1.0.0.3 ----->>> HSRP
standby 1 preempt
standby 1 priority 110
standby 1 authentication denmark
standby 1 timers 5 15
RouterB
interface fastethernet 0
Description Connection to switch1_port2_VLAN2
ip address 1.0.0.2 255.0.0.0
standby 1 ip 1.0.0.3 ----->>> HSRP
standby 1 preempt
standby 1 authentication denmark
standby 1 timers 5 15
Refer to these links for basic information
HSRP Implementation
http://www.cisco.com/en/US/tech/tk1330/technologies_design_guide_chapter09186a008066670b.html#wp3330
Q&A on HSRP
http://www.cisco.com/en/US/tech/tk648/tk362/technologies_q_and_a_item09186a00800a9679.shtml
If you need help implemeting it please let us know.
HTH, please rate is this helps
Jorge
06-29-2007 08:38 AM
thanks for the reply but i want to know whether both will be active or only one will be active(not HSRP active/standby but i m talking about the systems connections)???
06-29-2007 09:39 AM
Mahesh,
Do you want to load balance HSRP?
Technically traffic will be going throuth the active box.
Or you can try GLBP (Gateway Load Balancing Protocol)
Regards,
Dipak Vagadiya
Network Engineer,
Walt Disney Internet Group
06-29-2007 12:26 PM
Hi Mathur,
In the HSRP implementation one router will be the standby. In the the example I provided RouterA will be the active router since it has the highest value in the standby prempt command, RouterB is the standby router. You can always manipulate which router you want to forced to be active or stanby through the " standby preempt ".
bu traffic will be only go through the active one.
See standby preempt
http://www.cisco.com/en/US/tech/tk648/tk362/technologies_tech_note09186a0080094e8c.shtml
as far as systems connections goes the standby and active router is totally transparent to them. Your systems default gateway will be 10.0.0.1 255.0.0.0 based on the above example, if RouterA fails your systems will still have network connectivity through the HSRP IP routerB.
Now, if you are looking for traffic load balancing between the two routers I would recommend GLBP which is what Dvafadiya posted.
see GLBP
http://www.cisco.com/en/US/products/ps6350/products_configuration_guide_chapter09186a008042fb97.html
HTH, rate if this helps
Jorge
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