Re: (ASCEND) New TNT and CSMX cards

["William R. Charnock" <charnock@fastlane.net>]

I am currently running 12.0.3 on one of my cisco routers (that is the most
current upgrade I have done) -- I had to switch to this mainly so I could
use all the media cards in my router, and enable IRB (integrated routing
and bridging) for some of my DSL services.  Cisco does release upgrades
and fixes from time to time, but for basic services such as frame relay,
T1, etc, they are about as solid as anything you'll ever see out there.
The TNT is a solid platform in a lot of ways, but I would never use it as
a core component in my backbone.  They just aren't stable enough yet.
They are a lot better than they used to be though... here is a small
comparison for you:

the router I referred to above was upgraded to 12.0.3 a little over a
month ago -- I haven't rebooted it since:

access uptime is 5 weeks, 12 hours, 41 minutes
System restarted by reload at 01:36:28 CST Wed Mar 3 1999
System image file is "slot0:c7200-ds-mz_120-3"

(hardware includes a channelized DS-3 card, 100TX I/O card, 8 port v.35
serial interface, and some other miscellaneous stuff -- routing about 20+
T1's through this box plus some Frame-Relay connections to GTE that our
GTE DSL customers access through.  Load balancing several T1's with CEF,
and running OSPF).

Here is the uptime on one of my TNT's (not actually reset since upgrading
to 7.0.4):

admin> uptime -a
14:19:56
{ shelf-1 slot-1 }          8t1-card   32 days 12:49:03        7.0.4
{ shelf-1 slot-3 }       4ether-card   24 days 02:22:19        7.0.4
{ shelf-1 slot-4 }  48modem-56k-card   32 days 12:46:53        7.0.4
{ shelf-1 slot-6 }        hdlc2-card    6 days 02:10:43        7.0.4
{ shelf-1 slot-7 }          8t1-card   32 days 12:49:03        7.0.4
{ shelf-1 slot-8 }  48modem-56k-card   32 days 12:46:53        7.0.4
{ shelf-1 slot-10 }  48modem-56k-card   32 days 12:46:53        7.0.4
{ shelf-1 slot-12 }  48modem-56k-card   32 days 12:46:53        7.0.4
{ shelf-1 slot-15 }  48modem-56k-card   32 days 12:46:53        7.0.4
{ shelf-1 controller }  shelf-controller   32 days 12:49:37        7.0.4

A few glitches (ether and HDLC-2) -- but overall running pretty good...

I remember a couple of years back when my TNT's were lucky to make it 3
days without a reboot... ;-)

--
William Charnock
CTO, FastLane Internet Services
(817)-429-5263
netadmin@fastlane.net

On Wed, 7 Apr 1999, Peter Lalor wrote:

> >But have you been able to get uptimes of 250+ days (my current uptime on
> >my last-upgraded border router) on a TNT?  That is reliability...  ;-)
> 
> Not even close. Our TNT has been up, lessee... 16 days since I had to move
> the damn HDLC card above the CSMX card and then had to reboot because Frame
> Relay wouldn't come back up. The card move didn't even help due to the slow
> HDLC card boot time.
> 
> There's something in every release that I need, whether it be a bug fix or
> a feature. I'll be loading whatever's next for the feature where I can
> allocate HDLC resources on different card types seperately. 7.0.4 is pretty
> nice tho...
> 
> I wonder if I'd do the same thing if I was running Cisco. They haven't
> released anything in the last 250+ days that you want to run on that
> router? I guess I can take that to mean they got everything right the first
> time (in this material world!), or they don't release updates, or you're
> extremely stoic about the niggling issues that it has. ;-)
> 
> >On Wed, 7 Apr 1999, Peter Lalor wrote:
> >
> >> >I don't use the TNT for nailed connections, frame-relay, etc -- only ISDN
> >> >and analog dialup (I'll take a Cisco anyday for reliability on dedicated
> >> >access connections).  I have deleted all the call-routing profiles for the
> >> >CSMX cards related to digital calls, and the calls are being routed to the
> >> >HDLC-2 card.  The problem I am having now is the HDLC-2 card stops
> >> >accepting calls for some reason -- not sure why...
> >>
> >> It's always something. :-/
> >>
> >> FWIW, other than telco glitches I have no troubles with T1 connections,
> >> Frame or PPP, that terminate in a TNT. I didn't grow up in a Cisco family,
> >> so I'm not Ciscopelian. ;-)
> >>
> >> Peter Lalor           Infoasis
> >> plalor@infoasis.com   http://www.infoasis.com/
> 
> Peter Lalor           Infoasis
> plalor@infoasis.com   http://www.infoasis.com/
> 

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