another aspect of no-single-point-of-failure.
- Original Message -
From: Howard C. Berkowitz
To:
Sent: 23 June 2002 3:54 pm
Subject: Re: Re: HSRP [7:47177]
At 3:08 PM -0400 6/23/02, Kevin Cullimore wrote:
A useful notion to keep in mind is that hsrp and its un-patented
coun
as another aspect of no-single-point-of-failure.
- Original Message -
From: Howard C. Berkowitz
To:
Sent: 23 June 2002 3:54 pm
Subject: Re: Re: HSRP [7:47177]
At 3:08 PM -0400 6/23/02, Kevin Cullimore wrote:
A useful notion to keep in mind is that hsrp and its un
This brings up a question. I understand that after the initial hi I will
be handling your requests please use me as your destination mac address.
(Router talking to client).
But what happens when the initial router fails and HSRP kicks in? After an
unreachable, would ClientA send out an arp or
This isn't quite right. See comments below.
Kim Graham wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
This brings up a question. I understand that after the initial hi I will
be handling your requests please use me as your destination mac address.
(Router talking to client).
So you are saying the client never sees the MAC address of RouterA? It only
sees the MAC address of the Virtual Router?
Kim
From: Michael L. Williams
Date: 2002/06/23 Sun AM 11:29:24 EDT
To: [EMAIL PROTECTED]
Subject: Re: HSRP [7:47177]
This isn't quite right. See comments below
2002/06/23 Sun AM 11:29:24 EDT
To: [EMAIL PROTECTED]
Subject: Re: HSRP [7:47177]
This isn't quite right. See comments below.
Kim Graham wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
This brings up a question. I understand that after the initial hi I
wil
is
maintaining on the same ip network it will arp for the BIA of the IS's
ethernet interface.
- Original Message -
From: LongTrip
To:
Sent: 23 June 2002 12:44 pm
Subject: Re: Re: HSRP [7:47177]
So you are saying the client never sees the MAC address of RouterA? It
only
sees the MAC address
: Re: Re: HSRP [7:47177]
Perhaps this will help explain
http://www.cisco.com/univercd/cc/td/doc/product/software/ios121/121cgcr/ip_c
/ipcprt1/1cdip.htm#xtocid23
Yes, HSRP creates a single virtual IP and MAC pair. Yes, when one router
fails, the standby router assumes control
of the
conversation, not the return path (although implementational specifics might
force them to address the return path in some circumstances).
- Original Message -
From: LongTrip
To:
Sent: 23 June 2002 2:22 pm
Subject: Re: Re: HSRP [7:47177]
hmmm maybe there was a misunderstanding on my
Sometimes I suspect we get lost in forest, and all we can see are the trees.
Let's look at this from the perspective of how data is moved from here to
there. Comments below:
Kim Graham wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
This brings up a question. I understand that
isk than if he left
things as they were. Not to mention the loss of bandwidth that HSRP would
have created for him.
- Original Message -
From: LongTrip
To:
Sent: 23 June 2002 2:22 pm
Subject: Re: Re: HSRP [7:47177]
hmmm maybe there was a misunderstanding on my part of an earl
I will keep that in mind while investigating this and other things.
Thx :)
Kim
From: Kevin Cullimore
Date: 2002/06/23 Sun PM 03:08:54 EDT
To: [EMAIL PROTECTED]
Subject: Re: Re: HSRP [7:47177]
A useful notion to keep in mind is that hsrp and its un-patented
counterparts (you'd think
At 3:08 PM -0400 6/23/02, Kevin Cullimore wrote:
A useful notion to keep in mind is that hsrp and its un-patented
counterparts (you'd think that during the past century, people would learn
from IBM's example, but apparently that isn't the case) are profoundly
asymmetric in scope:
they are
:30 pm
Subject: Re: Re: HSRP [7:47177]
Kevin Cullimore wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
A useful notion to keep in mind is that hsrp and its un-patented
counterparts (you'd think that during the past century, people would
learn
from IBM's example, but ap
At 10:19 AM 6/23/02, Kim Graham wrote:
This brings up a question. I understand that after the initial hi I will
be handling your requests please use me as your destination mac address.
(Router talking to client).
Well, there's not really an initial hi, although I like the literary
sound of
is a good idea too.)
Priscilla
Kim
From: Thomas E. Lawrence
Date: 2002/06/23 Sun PM 01:08:17 EDT
To: [EMAIL PROTECTED]
Subject: Re: Re: HSRP [7:47177]
Perhaps this will help explain
http://www.cisco.com/univercd/cc/td/doc/product/software/ios121/121cgcr/ip_c
/ipcprt1/1cdip.htm
directions may be treated differently) is quite welcome.
Comments?
- Original Message -
From: Howard C. Berkowitz
To:
Sent: 23 June 2002 3:54 pm
Subject: Re: Re: HSRP [7:47177]
At 3:08 PM -0400 6/23/02, Kevin Cullimore wrote:
A useful notion to keep in mind is that hsrp and its un
often don't consider L2 failover techniques
(e.g., UplinkFast and EtherChannel) with switches feeding the HSRP
routers as another aspect of no-single-point-of-failure.
- Original Message -
From: Howard C. Berkowitz
To:
Sent: 23 June 2002 3:54 pm
Subject: Re: Re: HSRP [7:47177]
At 3
Comments in line.
From: Priscilla Oppenheimer
Date: 2002/06/23 Sun PM 08:19:23 EDT
To: [EMAIL PROTECTED]
Subject: Re: Re: HSRP [7:47177]
At 02:22 PM 6/23/02, LongTrip wrote:
hmmm maybe there was a misunderstanding on my part of an earlier post that
mentioned The only time you see
/td/doc/product/lan/c3550/1214ea1/3550scg/swhsrp.htm
It is configurable if you need to do so with the following command.
standby [group-number] mac-address mac-address
or
standby use-bia
Kim
From: Tim Potier
Date: 2002/06/22 Sat AM 12:17:36 EDT
To: [EMAIL PROTECTED]
Subject: HSRP [7:47177
At 12:17 AM 6/22/02, Tim Potier wrote:
Lets say I have HSRP configured on a series of routers... I know clients are
sending packets to the MAC/IP of the well known virtual MAC with Cisco
equipment. Assume the receiving station recieves the packet directly from
the router participating in HSRP
Priscilla Oppenheimer wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
At 12:17 AM 6/22/02, Tim Potier wrote:
Lets say I have HSRP configured on a series of routers... I know clients
are
sending packets to the MAC/IP of the well known virtual MAC with Cisco
equipment. Assume
There might be a Howard-inspired lesson in this. ;-)
In the Control Plane, the host ARPs for its default gateway, which in this
case is configured to be the HSRP virtual IP address of the routers.
In the Management Plane, the routers talk amongst themselves to make sure
that the virtual IP
Thank you all!
Message Posted at:
http://www.groupstudy.com/form/read.php?f=7i=47225t=47177
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Lets say I have HSRP configured on a series of routers... I know clients are
sending packets to the MAC/IP of the well known virtual MAC with Cisco
equipment. Assume the receiving station recieves the packet directly from
the router participating in HSRP with the highest priority... what is the
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