Here is the numbers I've seen
261x =
Fast - 12Kpps
Processing - 1.5Kpps
262x =
Fast - 23Kpps
Process - 2Kpps
265x =
Fast - 36Kpps
Process - ??? probably around 3Kpps
3620 =
Fast - 30Kpps
Process -
I haven't seen that error yet, but I can telly you this.
The COIL chip is sits on the 6500 Fast Ethernet Blades. Each Coil chip is
responsible for up to 12 FE ports. They are mostly responsible for TX RX
buffering, CRC checks, and queing
The PINNACLE chip is found on the Gig E and Fast E
log into the switching os
do - 'session 15'
I have a Cat 6509 with the MSFC card in it. How do you get to the router
mode of the switch?
Thanks
Wm. Spencer Plantier
LAN Engineer
(919) 474-1300 ext 0873 Office
(919) 474-1056 Fax
(919)696-8848 Cell
[EMAIL PROTECTED]
use - "session x" where x is the slot that your sup module is in.
Slot 1 or 2 is the catalyst engine and slot 15 is the logical slot for the
IOS software.
Any body knows, how to change the Mode operation from Catalyst Supervisor
IOS mode to Catalyst Softaware on Catalyst 6509?
Kind of a bizarre situation, but...
We have a large, productional network that can't be messed with too much.
Basic network could be looked at like this
old inet router - core(5500rsm) - distro(4700) - access(1720s)
/
new inet router ---/
What we need to be able to to do
They probably changed the config register. It is usually 0x2102. Here is a
basic breakdown of the values -
Bit No. Hex Meaning
00-03 - 000F Boot Field
Stay at bootstrap prompt
0001Boot system image on EPROM
0002 - 000F
use this -
access-list 103 deny ip 100.16.0.0 0.1.255.255
An easy way to look at it is that if your address ranges are consecutive
then the .16 above is the starting address and .1 is the number of networks.
So it blocks 16-17.
Or look at bits -
.16 = 0001
.17 = 00010001
in the mask 0
For 0xf921 = 1001 0011
Bit 0 = boot from eprom
Bit 5 = Used to set the speed to to 115200
Bit 8 = If a break is sent during boot, go into rommon mode
Bit 11 = Used to set the speed to 115200
Bit 12 = Used to set the speed to 115200
Bit 13 = Boot default ROM if netboot fails
Bit 14 = Used
explaination
can u tell me why? for what "ip mroute-cache" is used on serial interfaces
- Original Message -----
From: Michael Fountain [EMAIL PROTECTED]
To: [EMAIL PROTECTED]; [EMAIL PROTECTED]
Sent: Wednesday, November 08, 2000 9:31 PM
Subject: Re: IP route cache
It determines how
It determines how the router switches packets.
If you use 'ip route-cache' then the router will be fast-switching the
packets. The router keeps a cached memory full of recently used (which
should often equal heavily used) routes destinations. When a packet comes
in it can use that cache to
Has anyone used the maximum-prefix command on a cisco running BGP?
It is supposed to keep a neighbor from going crazy and swamping your router
with too many routes by limiting the number of routes that can be learned by
the router.
What would be a good number to set that at to allow a full
The DLCIs aren't always given by the provider. Depending on the provider
and how much busniness you do with them, you can request specific DLCIs.
The way we are doing it is multi-point frame connections from our central
offic to our remote office.
All PVCs connecting to a given T1 at our
You can change the sampling time using the 'load-interval [interval]'
command. That will give you anything from 30 seconds to 10 minutes in 30
second increments.
Is there a way to get the average utilization on an interface (serial) for
more than the default 5 minute period shown by show
Remember that with ACL masks, 1s = don't care.
so, for a mask of 0.7.255.255 you have -
.0111..
so, when used with 10.0.0.0 -
You have to have 10 in the first octet (no ones)
It doesn't care what is in the 3rd and 4th octet (all ones)
The
Hi all. I need some help with a BGP prefix list. A consulting group has
recommended the following prefix list in order to deny learning networks
that should not be learnt from the internet. I don't entirely trust these
guys to know what they are doing, so I would like to see what you all
In global config you need to turn on 'frame-relay switching'
In interface config you need to set the lmi for DCE
I think you also need to set the clock rate
get it to work with HDLC before trying frame relay, to eliminate frame
config probs.
Joseph Ezerski [EMAIL PROTECTED] 10/12 4:52 PM
I haven't seen anything that lists it for all feature sets for all IOS
levels.
You may want to consider SNTP if the IOS you have doesn't do NTP. Not as
precise, but should be good to within a second or so.
Hey,
Is there any easy way to know which IOS feature sets support NTP
What version of IOS are you running? I think everything 12.0 and up
supports it. I'm running it on a pair of 2621s with 12.0.7T
See if you can enter 'standby' commands in the interface config. If so, it
should do HSRP.
Mike
Hello,
Is HSRP supported on 2600 series routers? In
How about this -
interface s0
custom-queue-list 1
queue-list 1 queue 1 byte-count 1500
queue-list 1 queue 2 byte-count 6000
queue-list 1 protocol ip 1 tcp 80
queue-list 1 protocol ip 1 tcp 20
queue-list 1 protocol ip 1 tcp 21
queue-list 1 default 2
This should set up the serial interface
There is a 'load-interval' command that you can use to specify how often the
router averages the load on an interface, in 30second intervals. Normally
when you do a 'show interface' you get a five minute averate. With the
load-interval command you can change that.
It that it, or are you
Good question!
I would guess that they would both arrive at the destination at the same
time. The difference would be that the 100Mbps packet would finish
transmitting first.
The difference in speed can't be propagation delay since it goes over the
same media. So the difference in speeds
You can do a "show service-module"
i have a quick question ..
how can i test these devices besides looking at the light on the module.
Reason i some time can not be in front of the routers to check the lights .
if the interface goes down. i can only assume its a csu/dsu. Are their
commands
Go to Cisco's main page.
Under Products Technology go to switches
Under 4000 switches click on product literature
On this page click on product literature also (silly, I know)
Under data sheets click on 'Catalyst 4000 family'
I could give you the direct link, but if you're going to be working
Look at your load - 224/255 And that is a five-minute average.
It looks like this link is pretty much maxed out. You are getting queue
drops because you don't have enough wire speed for all of the traffic you
are trying to push out.
You can increase your queue depth to have it hold more
My understanding is that the CSU/DSU usually acts as both a DCE device and a
DTE device. Although depending on how you configure it, it can be any
combination.
Usually you configure it to provide clocking to your equipment (router) so
it is DCE to the router.
And, you usually configure it
The router will send the entire packet to finish off the byte count.
If it has serviced 4400 bytes from queue 1 it can still transmit 100 bytes
before moving to queue 2. If a 1500 bytes packet is next up in queue 1 it
will transmit the entire packet before going to queue 2.
This means that
Hmmm, I think it is more likely to depend on the switching method of the
inbound interface then the outbound.
Hi, group,
I have question quite confused about. I learnt that per-packet
load-balancing is used when process-switching is enabled and
per-destination load-balancing is used when
You have to be carefull trying to block web sites by IP address. Some of
them have more then one.
www.radiowave.com resolves to 64.37.194.196 64.37.194.252 when I try to
ping it by name.
Doing a whois gave the folling DNS servers for them -
64.37.194.219
208.216.144.18
For frame-relay traffic-rate 32000 64000 16000
32000 is your average speed, it is what the router will transmit at if
there is no congestion.
The router assumes 1/2 average speed for CIR, so it will back off to 16000
if there is congestion.
64000 is what it can burst up to
I am not
If they are equal cost, most any routing protocol can do this - RIP, EIGRP,
OSPF, etc.
One note on this though - If you are no process-switching, the load
balancing is done on a per-destination basis. Meaning all traffic for one
host is sent on first T1, all traffic for second host goes on
You will get this message if you try to get into enable mode and you are not
coming in on the console port (ie - you are on the aux port or telneted into
it)
To fix it, plug into the console port and set the enable or enable secret
password.
I want to configure a 2504 for my home
The router is probably fast-switching. Which means it is load balancing on
a per-destination basis.
All of your traceroutes are for the same destination, so they are going the
same route.
On the serial interface, if it is T1 or slower, do a "no ip route-cache"
That will turn off
It can be done :)
We have a pair of Cat5K's with RSM blades in our core that do a large part
of our routing.
Greetings,
We're having a discussion at work on the merits of moving the default
gateway from our router to our switch. In a nutshell, we have multiple IP
subnets and 2 routers
At each site, make 2 HSRP groups, with routers A B involved in each group.
Call group I your intranet group and group II your internet group
Make router A the primary for group I and router B the secondary with the
WAN link being monitored on both
Make router B the primary for group II and
I've got a 1005, and thought it was a good router for studying. But, I used
it mostly for the dial-up test since it could have an asynch port. But, if
you have a 2511 you might not have much use for the 1005.
Hello ppl
I need help in making a quick decision i am setting up a new lab
It sets the number of packets the router will hold in queue before
discarding new packets. Called congestive-discard. Default is 64 packets.
Here is a like that explains it better, watch the wrap.
I'm not familiar with RSVP, can I can help with WFQ.
WFQ is enabled by default on nearly all serial interfaces with speeds less
then 2Mbps. (Exceptions are if you are using SDLC, X.25, LAPB, compressed
PPP, and maybe a couple others).
WFQ is able to sense the various 'conversations' between
I've had a couple of suggestions to fix this, but nothing that works so far.
The best choice would be to lock it up somewhere, but it is on
customer-owned premise, so other then telling them they shouldn't be messing
with it, we don't have a fool proof way of keeping them out of it.
A couple
We have a cisco router (1720) at a customers location. The customer's techs
have used the password recovery procedure to get into the router and look at
the configs and change the passwords in them.
Does anyone know how can we prevent the router from responding to a break
during boot?
Well, I put the question to Cisco's open forum QA board, and got about the
same answer there - it can't be done.
So, I guess it is time to threaten to have the legal guys shake a stick at
them and then lock the router up in a big metal box with a little tiny hole
for the cable.
Mike
The router displays the input/output rate and load for a five minute
average. If you want to change it, you can do it on a per-interface basis
with this command -
load-interval xxx
where xxx is time in seconds and can be any multiple of 30 from 30 to 600.
hi guys:
how to change the
If you are going to have someone console in locally, do this -
In rommon mode, type confreg, it will ask you if you want to change the
register, tell it yes. It will give you a bunch of options. Tell it yes
for change the console port speed. Set it for 115200.
That will disconnect you
You have to make a T1 crossover cable (Pins 1 and 3 I think, but you should
probably double check) and you will have to configure one of the CSU/DSUs to
provide clocking, usually by setting its clock for internal instead of line.
Dear group,
Does any know how to connect up two CSU/DSU
From Cisco:
*
Error Message
%RSP-2-BADCACHE: Overrun detected. End of MEMD buffer : 0x[hex] End of
datagram : 0x[hex] bufhdr [hex]: [hex] [hex] [hex] [hex] Flushing Processor
Cache
Explanation A packet was processed that was greater in size than the
This is a multicast address used for a routing protocol, but I can't
remember if it is EIGRP or RIP v2
If you need more info, I can let you know on monday.
I have my Syslog Deamon running and I have been noticing this 224.0.0.10
address
coming up every once in a while? I know it's not a
It looks like your router may not be getting a response from your DNS
server. Can you ping that server by its IP?
Have you tried tracerouting from the router to the address that the PC was
able to get to?
I could ping IP address in windows 98 dos window successfully,but when i
telnet on my
You may also want to consider plugging it directly into a switch with a
layer 3 route/switch module. If you already have a switch in your network
it might make more sense to upgrade the switch then to purchase a seperate
device.
I know the Catalyst4000 on up can handle ATM T3s. And I think
Fibre doesn't actually break the 512 bit-time rule. You still need to keep
your network under 512 bit-times from worst-case station to station.
Fibre can have the longer lengths because it doesn't sucumb to attenuation
as fast as copper. The differences in propegation time between copper and
I bet you're running 12.0.3T or 12.0.5T
Upgrade to 12.0.7T and that should fix it.
Jul 27 17:11:37 jelonki-r1-e0.man.polbox.pl
50: 00:14:18: %IPFAST-2-PAKSTICK: Corrupted pak header for Serial0, flags
0x80
Jul 27 17:11:37 jelonki-r1-e0.man.polbox.pl 51: -Traceback= 80050734
800272C0
8002CC60
You almost got it. Once you define the password, you have to tell the
router to request it. Try this -
line con 0
password pwd
login
that should do it.
Hi all,
Can anyone help me in setting up the console password. The router should
ask for the password whenever I connect the
No, that is one thing I dislike about Cisc routers - they can't keep clock
time.
If you want to time to be correct in your routers you either have to set it
every time you reboot, or use NTP or SNTP.
Dear all,
I set the time and date on he router and saved the same. Then after
rebooting
For IP traffic, on the interface you want to disable fast switching use the
following commands -
'no ip route cache' - this turns off fast switching for unicast
'no ip mroute cache' - this turns off fast switching for multicast
note - not all routers and ios versions accept the
Expect and Perl seem to be the two most common scripting/programming
languages for doing stuff like that.
Hi All,
Currently, we back up all the configuration files of our routers and
switches to a tftp server manually. (need to telnet to every single router
and do "copy start tftp" )
Is
From their main page, click on software center, and then click on the link
for the upgrade planner.
The more familiar you are with Cisco's web pages, the better off you'll be.
A while back someone posted an URL that went to a page
of IOS upgrades one could download if they had CCO
access.
I've got a BS in Telecommunications from DeVry. I don't know if I would
recommend that to anyone though. The classes were pretty basic and cost
about 3 times what they should.
I think my next step it to work towards an Electrical Engineering degree.
GA Tech has a masters in Electrical
I just finished it yesterday. Out of all the tests I think CLSC was the
most poorly written, but CIT comes in a close second.
The questions are very vague, and you often have to guess what they are
looking for. They aren't extremely hard though, and if you are familiar
with the topics you
Here is a good link to a page that explains Ciscos frame relay traffic
shaping -
http://www.cisco.com/warp/public/125/21.shtml
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as I understand, it is not quite effective to
controll QoS in FR, I am not sure whether someones
have seen some detailed perfermence comparation betwee
two kinds of traffic shaping.
Thanks
Kent
--- Michael Fountain [EMAIL PROTECTED] wrote:
The easiest way to do this is to only configure
No advice, but good luck!
I've got mine in about 5 hours :)
hello
in 3 hours i will go for the CIT exam. anybody has last minutte advices ?
10x
---
Gabriel Neagoe, GN379-RIPE
Networking solutions consultant
Cisco product manager, CCNA, CCDA
ST
I've done it once or twice.
Can you post a clip of your configuration?
Folks,
Has anybody tried NAT on interfaces with secondary
addresses. I have a situation where I need to run NAT
on interfaces with secondary addresses.
I tried configuring the above, but it didn't work. As
soon as you
The easiest way to do this is to only configure the CIR and Line speeds and
let the rest default.
Example commands -
int s0
frame-relay traffic shapping Enable FRTS on the interface
frame-relay class ExampleClass Shape as defined in map class
frame-relay map-class ExampleClass
Do you use any routing protocol between A, B, C??
Most of the routing protocols can be set up to load balance across multiple
different routs to the same network if the metrics are the same. E/IGRP can
load balance even if the metrics are not the same.
Note - A is probably set for
Here is a basic list of the commands and their usage -
http://www.cisco.com/univercd/cc/td/doc/product/software/ios121/121cgcr/fun_r/frprt1/frd1004.htm#xtocid2860710
Here is a "create a menu" task list
When you have a SAP input filter the router only learns about services that
are permited by the list.
When you have an outbound list the router only advertises services permitted
by the list.
Does that make better sense? I ran across the same thing when studying, the
books explenation was
On the router that is connected to the segment the hosts are on use the
following command:
ip helper-address x.x.x.x
where x.x.x.x is the ip address of your DHCP server. The router will turn
the dhcp request broadcast into a multicast and then forward it across the
wan.
Hi all,
oops, sorry, yeah, I typoed that one. thats what i get for answering email
before i'm fully awake.
Michael the router will turn it into a unicast and not a multicast.
Regards
Atif
-Original Message-
From: Michael Fountain [EMAIL PROTECTED]
To: [EMAIL PROTECTED] [EMAIL PROTECTED
I don't know if this will help or not.
I've used the internal T1 cards on 1720, and had trouble with them when
using IOS levels 12.0.3T and 12.0.5T Once we upgraded to 12.0.7T there
were no more problems.
I have a situation where a 1601 R 12.0 (3) is on ptp frame
at frac T with 1 channel
It depends on what your serial port is connected to. Is it frame relay,
CSU/DSU, etc.
Hello to All,
If Serial0 is up, line protocol is down, then what should I check? Give me
as many answers as you can.
BTW what is the line protocol? is it a network protocol like ip, ipx? or
is it the
Usually you will see this when you have a distribute list in place and the
distribute list is blocking all of the updates. It could also happen if the
router has only one connection active - all of the routes it knows about
would come from that interface so it would supress all of those
use the following command -
term mon
that will turn on terminal monitoring. that will let you see debug and log
messages
Hello,
I have noticed that although I can turn debugging on over a telnet
connection, I cannot watch the debug information over a
telnet connection to the router. I
Off the top of my head I think it is the - session-timeout - command that
you can set on the line configuration. I seem to remember an exec-timeout
also, but can't remember which does what. You should be able to look up
those commands on Cisco's web page though.
Hello to all,
When I
I haven't this yet, but plan to shortly -
Cisco has something called "easy IP". You should be able to find some
references to it on their web page. It is also in the IOS Dial solutions
book. Basically it looks like you set up the router for NAT, and then also
to recieve an IP from a DHCP
I found this on Ciscos pages -
CDP sends packets on LANs using the multicast address 0100.0CCC..
So maybe that will help if you can set up an ACL by MAC address. But, I am
pretty sure that if you turn off CDP on a router it will not respond to CDP
requests from neighbor routers. I
The only static route that is redistributed into the routing protocols by
default is the default route. And, I know that is true for RIP, you'd have
to look and see if it were true for other routing protocols also.
If you want other static routes to be advertised you have to use the
I haven't worked with route maps much, so this is just a first guess, but I
noticed your second permit doesn't have a match statement. Do you have a
match set up for the next statement you are wanting to do?
Hi All,
I am using Route Maps to assign different metrics to routes learned from
Hello,
suppose that interface s0 my router is configured to use a frame relay PVC
to connect to a remote site. Now I have two
more remote sites that need to be connected to my router with FR PVC, one
PVC for each remote site. My router has
only one serial interface
My quesions are:
Can I
I had the same problem with mine when I bought it. I had to get a new
version of the IOS in order to make it change.
Right now I have
c1005-ny-mz.110-22
in it, and that runs s0 as a synch interface
What shipped with it was
c1005-qy-mz.111-8.2
and that had s0 as an asynch interface.
Hey, I just sent a note out about synch/asych ports on a 1005 being based on
the IOS. Then I came up with this after I deleted the note. Thougth it
might be ineteresting to pass on.
IOS Naming convention -
http://www.cisco.com/warp/customer/620/4.html#version
The value of the IOS features
when you do a - show proc cpu - what is using up the greatest precentage?
i have a weird problem.
it is a 2500 router.
running ipx, apple , and ip.
supporting apple machines with appletalk and ip.
ipx is not needed at all.
i take the ipx routing out then the cpu utilization goes
up 25%.
i
If I remember correctly, Gigabit requires Cat5e cable standards, which is
slightly better then plain Cat5. Should be able to find the standards on
the internet
hi,
Can anyone tell me about the required parameters for testing UTP gigbit
ethernet cable or the speciifcations of UTP gigabit
Actually, I would consider ATM more of a WAN technology that can run in a
LAN using LANE.
In the WAN it mostly runs on fiber, because of the high speeds that carriers
run it at, although you can get it on a coax cable if you get an ATM T3
connection.
My understanding (limited) is that ATT
I don't think the second solution would work to well if you tried to put all
of the interfaces in the same network space, but 1 and 3 should be ok.
I'm not too sure where the worry about load balancing comes in since each
router only has one direct hop to the other. There should only be one
I Think is it 10seconds for OSPF, I know it is 5seconds for EIGRP
At 01:40 PM 5/28/00 +0800, Jacques Lee wrote:
Dear all,
I'm a little bit confused with the update time interval for hello
packets sent in OSPF and EIGRP. by default, is it 10s or 5s ?
Thanks
Since you didn't specify the protocol, I am going to assume you mean for a
TCP connection.
When one side wants to set up a connection with the other side, it does a
"three-way handshake" by doing the following:
A - Sends SYN=1, ACK=0, SEQ=1000, ACK#=0
B - Replys ACK=1, SYN=1, SEQ=5000,
--
http://www.ccci.com/tools/ttcp/index.html
useful for IP based networks though.
From Ganymede --
http://www.qcheck.net/
Michael Fountain wrote:
This is slightly off topic, but does anyone know of a good, and
preferably
free :), utility that can measure the throughput of a network?
I
This is slightly off topic, but does anyone know of a good, and preferably
free :), utility that can measure the throughput of a network?
I have a couple Frame Relay connections that seem to be moving much slower
then they should be, and I'd like something that could simulate some traffic
and
It tells the router what to do at boot-up time.
The meanings of the config register -
Bit No. Hex Meaning
00-03 - 000F Boot Field
Stay at bootstrap prompt
0001Boot system image on EPROM
0002 - 000F Specify default
I thought this was a pretty cool link
http://www.cisco.com/univercd/cc/td/doc/cisintwk/ita/
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