Re: Routine Powercycles or reloads [7:54098]

2002-09-25 Thread Robert Edmonds

I haven't come across anything personally either way, but it seems that this
would be unnecessary for a router, since there are no hard drives, etc.  I
know it can be an issue with servers that stay on all the time, but I think
routers, switches, etc. with no moving parts (except of course, the fans)
could be left on all the time.  I've definitely never heard of or
experienced any issues relating to this.


""McHugh Randy""  wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> Can anyone tell me if they have come accross documentation or guidance
from
> Cisco on how often a 7200 router or any router should be reloaded if ever
> for a maintanance purposes ?
> Thx
> Randy




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RE: Routine Powercycles or reloads [7:54098]

2002-09-25 Thread Lupi, Guy

I don't know of any reason to reload a router for maintenance purposes,
generally if the router is operating correctly it can be left alone.  The
only reason for a periodic reload that I could think of would be if you have
a large amount of subinterfaces which get deleted and created, because the
subinterfaces remain in the output of certain commands until a reload.  This
is really more of an annoyance than a problem.

-Original Message-
From: McHugh Randy [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, September 25, 2002 3:29 PM
To: [EMAIL PROTECTED]
Subject: Routine Powercycles or reloads [7:54098]


Can anyone tell me if they have come accross documentation or guidance from
Cisco on how often a 7200 router or any router should be reloaded if ever
for a maintanance purposes ?
Thx
Randy




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RE: Routine Powercycles or reloads [7:54098]

2002-09-25 Thread Symon Thurlow

Periodic server reboots are generally to deal with memory leaks rather
than moving parts. Flawed router software could perhaps exhibit the same
fault, although I have never heard of it personally.

Symon

-Original Message-
From: Robert Edmonds [mailto:[EMAIL PROTECTED]] 
Sent: 25 September 2002 20:36
To: [EMAIL PROTECTED]
Subject: Re: Routine Powercycles or reloads [7:54098]


I haven't come across anything personally either way, but it seems that
this would be unnecessary for a router, since there are no hard drives,
etc.  I know it can be an issue with servers that stay on all the time,
but I think routers, switches, etc. with no moving parts (except of
course, the fans) could be left on all the time.  I've definitely never
heard of or experienced any issues relating to this.


""McHugh Randy""  wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> Can anyone tell me if they have come accross documentation or guidance
from
> Cisco on how often a 7200 router or any router should be reloaded if 
> ever for a maintanance purposes ? Thx
> Randy




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Re: Routine Powercycles or reloads [7:54098]

2002-09-25 Thread Chuck's Long Road

""Symon Thurlow""  wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> Periodic server reboots are generally to deal with memory leaks rather
> than moving parts. Flawed router software could perhaps exhibit the same
> fault, although I have never heard of it personally.

CL: once in a while here in the home lab, I've run across issues that I have
attributed to "artifact" - leftovers from the continual reconfiguring of
things. OSPF and BGP have once in a while exhibited problems that I could
not attribute to misconfiguration. I'm running 25xx's with 16/16, but the
IOS images are crowding that, leaving not much room for things like routing
tables, etc.

CL: I would presume that in a production environment one might have less to
worry about, what with adequate DRAM and flash, plus stable IOS versions.


>
> Symon
>
> -Original Message-
> From: Robert Edmonds [mailto:[EMAIL PROTECTED]]
> Sent: 25 September 2002 20:36
> To: [EMAIL PROTECTED]
> Subject: Re: Routine Powercycles or reloads [7:54098]
>
>
> I haven't come across anything personally either way, but it seems that
> this would be unnecessary for a router, since there are no hard drives,
> etc.  I know it can be an issue with servers that stay on all the time,
> but I think routers, switches, etc. with no moving parts (except of
> course, the fans) could be left on all the time.  I've definitely never
> heard of or experienced any issues relating to this.
>
>
> ""McHugh Randy""  wrote in message
> [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> > Can anyone tell me if they have come accross documentation or guidance
> from
> > Cisco on how often a 7200 router or any router should be reloaded if
> > ever for a maintanance purposes ? Thx
> > Randy




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Re: Routine Powercycles or reloads [7:54098]

2002-09-25 Thread MADMAN

There is no such doc but there are times where a reload fixes a
problem much the same way reloading your Windows PC does though less
frequently;)  

  I have several times seen a problem that just made no sense and there
was no obvious reason for it not to work, reload router and wallah it
works.

  Dave

McHugh Randy wrote:
> 
> Can anyone tell me if they have come accross documentation or guidance from
> Cisco on how often a 7200 router or any router should be reloaded if ever
> for a maintanance purposes ?
> Thx
> Randy
-- 
David Madland
CCIE# 2016
Sr. Network Engineer
Qwest Communications
612-664-3367

"You don't make the poor richer by making the rich poorer." --Winston
Churchill




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Re: Routine Powercycles or reloads [7:54098]

2002-09-25 Thread bi.s

McHugh Randy wrote:
> Can anyone tell me if they have come accross documentation or guidance from
> Cisco on how often a 7200 router or any router should be reloaded if ever
> for a maintanance purposes ?

hi,

my experience led me to rebooting the c7200 after every hardware change.
even though they should be hot-swap they then to non-deterministic 
behaviour some days/weeks later.

other there is a non-official cisco recommendation to reboot a router at 
least once a year.

hth
-bis




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Re: Routine Powercycles or reloads [7:54098]

2002-09-25 Thread Robert Edmonds

In reference to Symon's comment about server reboots, there is a moving part
that would cause you to want to reboot your server -- the hard drive.
Although it is not an extremely common occurance (especially since hard
drives are supposed to be sealed), they can gather, for lack of a better
term, gunk in the spot where the hard drive head parks when the server (or
any pc for that matter) is powered down.  I have seen where the head on an
otherwise perfectly working hard drive will get stuck when the hard drive
parks its head after powering down for something totally unrelated, like
installing RAM, etc.  Now, what was an otherwise functioning server, has
just crashed.  Powering down the server periodically apparently can prevent
this.  Just a little side note to nit pick :)


""Symon Thurlow""  wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> Periodic server reboots are generally to deal with memory leaks rather
> than moving parts. Flawed router software could perhaps exhibit the same
> fault, although I have never heard of it personally.
>
> Symon
>
> -Original Message-
> From: Robert Edmonds [mailto:[EMAIL PROTECTED]]
> Sent: 25 September 2002 20:36
> To: [EMAIL PROTECTED]
> Subject: Re: Routine Powercycles or reloads [7:54098]
>
>
> I haven't come across anything personally either way, but it seems that
> this would be unnecessary for a router, since there are no hard drives,
> etc.  I know it can be an issue with servers that stay on all the time,
> but I think routers, switches, etc. with no moving parts (except of
> course, the fans) could be left on all the time.  I've definitely never
> heard of or experienced any issues relating to this.
>
>
> ""McHugh Randy""  wrote in message
> [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> > Can anyone tell me if they have come accross documentation or guidance
> from
> > Cisco on how often a 7200 router or any router should be reloaded if
> > ever for a maintanance purposes ? Thx
> > Randy




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RE: Routine Powercycles or reloads [7:54098]

2002-09-25 Thread Tim Medley

One of our border gateway routers has been up for almost 4 years.

clt1-7206-twtc-bgr uptime is 192 weeks, 4 days, 18 hours, 43 minutes



Tim Medley, CCNP+Voice, CCDP, CWNA
Sr. Network Architect
VoIP Group
iReadyWorld
 



-Original Message-
From: McHugh Randy [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, September 25, 2002 3:29 PM
To: [EMAIL PROTECTED]
Subject: Routine Powercycles or reloads [7:54098]


Can anyone tell me if they have come accross documentation or guidance from
Cisco on how often a 7200 router or any router should be reloaded if ever
for a maintanance purposes ?
Thx
Randy




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Re: Routine Powercycles or reloads [7:54098]

2002-09-25 Thread Chuck's Long Road

""Tim Medley""  wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> One of our border gateway routers has been up for almost 4 years.
>
> clt1-7206-twtc-bgr uptime is 192 weeks, 4 days, 18 hours, 43 minutes
>

CL: obviously you are not running IOS 12.x;->

>
>
> Tim Medley, CCNP+Voice, CCDP, CWNA
> Sr. Network Architect
> VoIP Group
> iReadyWorld
>
>
>
>
> -Original Message-
> From: McHugh Randy [mailto:[EMAIL PROTECTED]]
> Sent: Wednesday, September 25, 2002 3:29 PM
> To: [EMAIL PROTECTED]
> Subject: Routine Powercycles or reloads [7:54098]
>
>
> Can anyone tell me if they have come accross documentation or guidance
from
> Cisco on how often a 7200 router or any router should be reloaded if ever
> for a maintanance purposes ?
> Thx
> Randy




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RE: Routine Powercycles or reloads [7:54098]

2002-09-26 Thread Jenny McLeod

Many many moons ago, we had a bug where routers leaked memory (so we
periodically rebooted them - about every week, I think).  I think it was IOS
10.0 on an AGS+, though, so I doubt you'd come across that particular bug
very often these days ;-)
I work on the theory that unless there appears to be some problem (such as
leaking memory, or a hardware change required), leave it running...
JMcL

Symon Thurlow wrote:
> 
> Periodic server reboots are generally to deal with memory leaks
> rather
> than moving parts. Flawed router software could perhaps exhibit
> the same
> fault, although I have never heard of it personally.
> 
> Symon
> 
> -Original Message-
> From: Robert Edmonds [mailto:[EMAIL PROTECTED]] 
> Sent: 25 September 2002 20:36
> To: [EMAIL PROTECTED]
> Subject: Re: Routine Powercycles or reloads [7:54098]
> 
> 
> I haven't come across anything personally either way, but it
> seems that
> this would be unnecessary for a router, since there are no hard
> drives,
> etc.  I know it can be an issue with servers that stay on all
> the time,
> but I think routers, switches, etc. with no moving parts
> (except of
> course, the fans) could be left on all the time.  I've
> definitely never
> heard of or experienced any issues relating to this.
> 
> 
> ""McHugh Randy""  wrote in message
> [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> > Can anyone tell me if they have come accross documentation or
> guidance
> from
> > Cisco on how often a 7200 router or any router should be
> reloaded if
> > ever for a maintanance purposes ? Thx
> > Randy
> 
> 




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RE: Routine Powercycles or reloads [7:54098]

2002-09-26 Thread Ken Diliberto

Living in Souther California, the power company does it for us on a
regular basis after killing the UPS batteries.  :-)

>>> "Tim Medley"  09/25/02 04:50PM >>>
One of our border gateway routers has been up for almost 4 years.

clt1-7206-twtc-bgr uptime is 192 weeks, 4 days, 18 hours, 43 minutes



Tim Medley, CCNP+Voice, CCDP, CWNA
Sr. Network Architect
VoIP Group
iReadyWorld
 



-Original Message-
From: McHugh Randy [mailto:[EMAIL PROTECTED]] 
Sent: Wednesday, September 25, 2002 3:29 PM
To: [EMAIL PROTECTED] 
Subject: Routine Powercycles or reloads [7:54098]


Can anyone tell me if they have come accross documentation or guidance
from
Cisco on how often a 7200 router or any router should be reloaded if
ever
for a maintanance purposes ?
Thx
Randy




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