Re: HSRP N VRRP CONFUSION!!!

Gaurav,

Nice question which indeed deserves a nice answer.

First off, you might wish to take a look at this:

http://www.cisco.com/en/US/partner/docs/ios/ipv6/configuration/guide/ip6-fhrp_ps10591_TSD_Products_Configuration_Guide_Chapter.html

I purposely chose IOS 15.0 to make sure we're not missing any major
"bleeding" enhancement. As you may guess, FHRP's are categorized under the
IPv6 section (and not the applications section of PSA).

* So for those who're going to take the exam this could be a time saver.

Then, interestingly enough, you have HSRP and GLBP configuration snippets
but the VRRP section is almost missing.

Bear in mind that 4-5 months ago (March 2010) we got VRRP v3:

http://tools.ietf.org/html/rfc5798

What do you reckon?

Probably before getting roughed up by v6 devotees we have to finish this
post!, but don't you reckon this sounds like we've got some more time? :)

Anyway Juniper does have a tiny solution:

http://www.juniper.net/techpubs/software/junos/junos91/swconfig-network-interfaces/configuring-vrrp-and-vrrp-for-ipv6.html

HTH
Kambiz Agahian

CCIE Instructor/Consultant
M.Eng Telecom, CCIE# 25341, CCSI# 33326, MCSE, MCSA

Kambiz Agahian

CCIE Instructor/Consultant
M.Eng Telecom, CCIE# 25341, CCSI# 33326, MCSE, MCSA

On Sat, Aug 21, 2010 at 11:07 AM, GAURAV MADAN <gauravmadan1177_at_gmail.com>wrote:

> Though .. I had made my hands dirty many a times on these technologies
> ..... IPV6 support is something I haven't explored ....
>
> Kambiz ,
> Do u have some doc which can enlighten me on this
>
> Gaurav Madan
> CCIE # 23863
>
> On Sat, Aug 21, 2010 at 11:20 PM, Kambiz Agahian <aussiecert_at_gmail.com>
> wrote:
> > Shahed said many key points...some interesting areas to look into;
> >
> > - IPv6 support; which one?
> >
> > And what is the policy based load balancing? you can easily configure LB
> > even in HSRP v1 but what're offered in GLBP is the policy based LB to
> > increase scalability/performance...please bear in mind that 4-5 years ago
> > GLBP was not that important due to some support issues but today it's
> > supported by many low end devices which makes it a nice exam topic.
> >
> >
> > And of course how the preemtion proesses/settings differ...
> >
> > HTH
> > Kambiz Agahian
> > CCIE Instructor/Consultant
> > M.Eng Telecom, CCIE# 25341, CCSI# 33326, MCSE, MCSA
> >
> >
> >
> > On Sat, Aug 21, 2010 at 2:56 AM, Shahid Ansari <shahid1357_at_gmail.com>
> wrote:
> >
> >>
> >> *Good question by Kambiz :)*
> >> **
> >> Inshort All are for FIRST HOP REDUNDANCY
> >>
> >> Cisco Hot-Standby Router Protocol (HSRP)
> >> made by Cisco for Cisco
> >> default hello 3 seconds with a hold timer of 10 seconds
> >> Load balancong -no (possible by two groups -2 gateway ip addresses)
> >>
> >> Virtual Router Redundancy Protocol (VRRP)
> >> Open IETF
> >> Works between multiple vendors
> >> faster than HSRP by default - hello of 1 sec, hold timer of 3 sec
> >> Load balancing - no (possible by two groups -2 gateway ip addresses)
> >>
> >> Gateway Load Balancing Protocol (GLBP)
> >> made by Cisco for Cisco
> >> same as HSRP, but allows load-balancing features
> >> Load balancing - yes
> >>
> >> Thanks
> >> Shahid Ansari
> >>
> >> On Sat, Aug 21, 2010 at 12:27 PM, Kambiz Agahian <
> aussiecert_at_gmail.com>wrote:
> >>
> >>> What's the confusing point?
> >>>
> >>>
> >>>
> >>> Kambiz Agahian
> >>> CCIE Instructor/Consultant
> >>> M.Eng Telecom, CCIE# 25341, CCSI# 33326, MCSE, MCSA
> >>> On Sat, Aug 21, 2010 at 1:19 AM, CCIE KID <eliteccie_at_gmail.com>
> wrote:
> >>>
> >>> > Can anyone explain me how HSRP works
> >>> >
> >>> > And how VRRP works
> >>> >
> >>> > and what is the key difference between HSRP n GLBP
> >>> >
> >>> > --
> >>> > With Warmest Regards,
> >>> >
> >>> > CCIE KID
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> >>> >
> >>> >
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Received on Sun Aug 22 2010 - 13:57:51 ART