Re: Cisco Vs. Low cost switches -Whats the Diff ? [7:74987]

2003-09-08 Thread neil K
Options like enhanced security, Enhanced QoS, protocol and technology
support.

neil
Steven Aiello  wrote in message
news:[EMAIL PROTECTED]
 Ok,

So I know there is a big difference in the cost and performance of
 Cisco (even lower end models) and let say a netgear switch.  But where
 do the difference lay?  I know that there are memory issues and back
 plain differences in these 2 classes of switches.  But how do I find out
 what a lower cost switch will perform like.  I was doing some bench
 marking on a NetGear 100Mb switch, between a large file transfer off a
 Win2k Server and a client.  The through put was only a few Meg a best.
 The NIC in the server is a Gbit NIC and shouldn't be over whelmed by a
 simple file transfer.  (I was running this while every one else was out
 of office so I know that's not an issue).  I know that with Ethernet
 there is collisions and the like so I may not get true 100Mb performance
 but the results were horrible.  What should I look for even in lower
 cost switches to be sure I get at least decent performance out of them?

 Even if you ramble on in this point, GREAT!  The more you know the
 better I say.

 Thanks all,
 Steve
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NM-1CT1 or WIC-1DSU-T1 [7:74741]

2003-09-03 Thread neil K
Can somebody explain when I can use WIC-1DSU-T1 over NM-1CT1 or what exactly
are the difference except that WIC-1DSU-T1 has a built-in DSU/CSU where as
NM-1CT1 is a T1 Module.

Thanks in advance.

neil




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Catalyst 6500 Architecture [7:74460]

2003-08-29 Thread neil K
Folks,

The Catalyst 6500 uses a Shared bus Architecture and to increase the
Backplane capacity you have to have Switch fabric module (SFM) with fabric
Enabled modules to make it work. Is there a vendor which has a better
architecture or a better solution.

Thanks,

neil K.




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Books for CCM and Unity [7:73358]

2003-08-01 Thread neil K
Folks,

Any books you would recommend for Cisco CallMager and Unity and Cisco IP
Telephony Design.

Thanks,

Sunil




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Re: Ethernet Interface Collisions Incresing rapidly [7:71176]

2003-06-24 Thread neil K
The Cisco bridge operates in Half-duplex and that is why half-duplex. The
Router is a Cisco 1751 with WIC-1ENET, which is connected to the Wireless
Bridge.
I checked with the output Interpreter on CCO and it said the collisions
are more than 0.53 much higher than 0.1 normal rate.
Here's the output of sh interfaces e 0/0

Ethernet0/0 is up, line protocol is up
  Hardware is PQUICC Ethernet, address is 0004.dd0d.5502 (bia
0004.dd0d.5502)
  Internet address is 172.20.1.2/24
  MTU 1500 bytes, BW 1 Kbit, DLY 1000 usec,
 reliability 255/255, txload 1/255, rxload 1/255
  Encapsulation ARPA, loopback not set
  Keepalive set (10 sec)
  Half-duplex, 10BaseT
  ARP type: ARPA, ARP Timeout 04:00:00
  Last input 00:00:00, output 00:00:00, output hang never
  Last clearing of show interface counters 3d20h
  Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
  Queueing strategy: weighted fair
  Output queue: 0/1000/64/0 (size/max total/threshold/drops)
 Conversations  0/5/256 (active/max active/max total)
 Reserved Conversations 0/0 (allocated/max allocated)
 Available Bandwidth 7200 kilobits/sec
  5 minute input rate 53000 bits/sec, 13 packets/sec
  5 minute output rate 8000 bits/sec, 13 packets/sec
 4528216 packets input, 642790340 bytes, 0 no buffer
 Received 176451 broadcasts, 0 runts, 0 giants, 0 throttles
 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
 0 input packets with dribble condition detected
6314935 packets output, 279254727 bytes, 0 underruns
 59281 output errors, 86548 collisions, 0 interface resets
 0 babbles, 0 late collision, 0 deferred
 0 lost carrier, 0 no carrier
 0 output buffer failures, 0 output buffers swapped out

Thanks,

neil


Priscilla Oppenheimer  wrote in message
news:[EMAIL PROTECTED]
 Collisions go up normally with load. What is the load? Could something
else
 (an attack or trojan horse or just excitement about your terrific content)
 have caused the load to go way up?

 Cisco says that no more than 0.1 percent of frames should experience
 collisions. How many frames have there been in the time that the
collisions
 went up? How does that compare to your baseline?

 By the way, why do you have the interfaces set to half duplex? Why don't
you
 set them them to full since it's a point-to-point link?

 Priscilla

 neil K wrote:
 
  One of my Cisco router's Ethernet interface connected to a
  Cisco Wireless
  Bridges has the interface collisions counter increasing
  rapidly. Over a
  period of 48 hrs the collision counter was 60,000 and the
  output error
  counter was more than 4. Both the Ethernet interface on the
  router and
  the Cisco Wireless bridge are set to 10/Half-duplex.
  There is nothing in between the bridge and the Router Ethernet,
  connected by
  a cross-over cable. What could be causing this.
 
  Any comments,
 
  neil




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Re: Ethernet Interface Collisions Incresing rapidl [7:71176]

2003-06-24 Thread neil K
The problem is that we are doing VoIP over the link using Cisco FXO and FXS
ports and People are complaining about Voice breaking up, like a bad cell
phone call. I heard it myself, it sounds good but sometimes breaks up.The
routers are running g.729 and use the Wireless link. I have looked into the
Configuration side on the Routers, and have done QoS as well on Routers, but
still these issues. I did a MOS score calculation and it was 4.03 which is 
Acceptable which means that the call quality should be good, but, it is
not. Then I checked the Ethernet Interface counters, and saw collisions
increasing rapidly, and hence the question.

Thanks,

neil


Priscilla Oppenheimer  wrote in message
news:[EMAIL PROTECTED]
 neil K wrote:
 
  The Cisco bridge operates in Half-duplex and that is why
  half-duplex. The
  Router is a Cisco 1751 with WIC-1ENET, which is connected to
  the Wireless
  Bridge.
  I checked with the output Interpreter on CCO and it said the
  collisions
  are more than 0.53 much higher than 0.1 normal rate.

 That doesn't sound like a serious problem.

  Here's the output of sh interfaces e 0/0
 
  Ethernet0/0 is up, line protocol is up
Hardware is PQUICC Ethernet, address is 0004.dd0d.5502 (bia
  0004.dd0d.5502)
Internet address is 172.20.1.2/24
MTU 1500 bytes, BW 1 Kbit, DLY 1000 usec,
   reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
Keepalive set (10 sec)
Half-duplex, 10BaseT
ARP type: ARPA, ARP Timeout 04:00:00
Last input 00:00:00, output 00:00:00, output hang never
Last clearing of show interface counters 3d20h
Input queue: 0/75/0/0 (size/max/drops/flushes); Total output
  drops: 0
Queueing strategy: weighted fair
Output queue: 0/1000/64/0 (size/max total/threshold/drops)
   Conversations  0/5/256 (active/max active/max total)
   Reserved Conversations 0/0 (allocated/max allocated)
   Available Bandwidth 7200 kilobits/sec
5 minute input rate 53000 bits/sec, 13 packets/sec
5 minute output rate 8000 bits/sec, 13 packets/sec
   4528216 packets input, 642790340 bytes, 0 no buffer
   Received 176451 broadcasts, 0 runts, 0 giants, 0 throttles
   0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
   0 input packets with dribble condition detected
  6314935 packets output, 279254727 bytes, 0 underruns
   59281 output errors, 86548 collisions, 0 interface resets

 86548 divided by 6314935 is about 1%. That's not a big deal. I know Cisco
 says that the threshold is 0.1%, but they just made that number up.
There's
 no exact number where you have to be concerned, and most experts have said
 for years that Cisco's 0.1% is extremely low. They just want to sell you
 switches! :-)

 Collisions are a normal part of Ethernet's media access control method.
They
 go up with load as 2 or more stations try to send simultaneously.

 You aren't seeing a high load now, but the load statistic is for the last
 five minutes. If you want to try to correlate load with collisions, you
 should clear the counters and keep an eye on the statistics.

 The nefarious 59281 output errors are curious. It's supposed to be a total
 of all the other output errors and I would think it would count the
 collisions, but Cisco isn't very clear about this. Why wouldn't they count
 all the collisions? Or maybe the output errors are different from the
 collisions, but I don't know what else they would be. Cisco just says that
 output errors are a cumulation of the other errors and that they may not
add
 up to the others because a frame could have more than one error, which
 doesn't apply to your situation.

   0 babbles, 0 late collision, 0 deferred

 0 deferred is a good sign, as are all those other 0 error counts.

 I don't think you really have a problem. What gave you concern? I guess
the
 collisions went up. But that would be normal if they went up at the same
 time as both ends of the interface were trying to send a lot of traffic.

 By the way, what does the other end say about errors? (i.e. the wireless
 bridge interface, can it show you some statistics?)

 What else did Cisco's Output Interpreter have to say about the statistics?
 Can you copy and paste its report? It could help us help you.

 Are users complaining? If not, I would say just to use the data you have
 gathered as baseline data, but not as data that causes any troubleshooting
 action.

 If users are complaining, then use the troubleshooting method called swap
 'til you drop. Change the cable, the interfaces, etc. But my guess is
that
 nothing is wrong. Your interface looks extremely healthy.

 Priscilla


   0 lost carrier, 0 no carrier
   0 output buffer failures, 0 output buffers swapped out
 
  Thanks,
 
  neil
 
 
  Priscilla Oppenheimer  wrote in
  message
  news:[EMAIL PROTECTED]
   Collisions go up normally with load. What is the load? Could
  something
  else
   (an attack or trojan horse or just excitement

Ethernet Interface Collisions Incresing rapidly [7:71176]

2003-06-23 Thread neil K
One of my Cisco router's Ethernet interface connected to a Cisco Wireless
Bridges has the interface collisions counter increasing rapidly. Over a
period of 48 hrs the collision counter was 60,000 and the output error
counter was more than 4. Both the Ethernet interface on the router and
the Cisco Wireless bridge are set to 10/Half-duplex.
There is nothing in between the bridge and the Router Ethernet, connected by
a cross-over cable. What could be causing this.

Any comments,

neil




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Traffic generator for Testing QoS features [7:70864]

2003-06-18 Thread neil K
I want to test QoS features on a router, and am looking for a good traffic
generator which can generate different kinds of traffic. Any
recommendations?

Thanks,
neil




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VPN and VoIP [7:70640]

2003-06-13 Thread neil K
Hi,

Cisco IP phones can be used as remote extensions in which case you can have
a Cisco IP phone at home and have the same extension as you have in the
office. Can this be done with the following setup.
DSL modem at home connected to a small switch. The home PC and the IP phone
connect to the Switch which connects to the DSL modem.
The PC has Cisco VPN client installed and can connect to the Head-office
where the VPN concentrator is. Now for the IP Phone, how will it connect,.
It will have a private IP address but , doesn't have a VPN client like the
PC has. What is the solution for this type of application.

Comments?

thanks,

neil




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FXO cfg. [7:70403]

2003-06-09 Thread neil K
Guys,

In a FXO  gateway scenario can we use a destination-pattern of .T under the
FXO port on the gateway which uses FXO ports to connect to Telco, so that we
can call phone numbers less than 10
digits or more.

THE configuration is like this

Cisco 2600 (FXO) Cisco 2600 ( FXS)
|

|
|

|
 Telco   PBX


I have a Telco line coming into Cisco 2600 with FXO and want the dial tone
at the other 2600 with FXS ports.I have seen the CCO documentation of the
application but the problem is calling phone numbers which are less than 10
or more than 10 digits.

Any comments,

neil




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.T destination pattern [7:70271]

2003-06-06 Thread neil K
Guys,

In a FXO  gateway scenario can we use a destination-pattern of .T under the
FXO port on the gateway so that we can call phone numbers less than 10
digits or more.

THE configuration is like this

Cisco 2600 (FXO) Cisco 2600 ( FXS)
|
|
|
|
 Telco   PBX


I have a Telco line coming into Cisco 2600 with FXO and want the dial tone
at the other 2600 with FXS ports.I have seen the CCO documentation of the
application but the problem is calling phone numbers which are less than 10
or more than 10 digits.

Any comments,

neil




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LLQ on Ethernet subinterfaces [7:70020]

2003-06-03 Thread neil K
Can somebody tell me how to configure LLQ on Ethernet subinterfaces
connected to two VLAN's.
Will appreciate it.




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FXO to FXS gateway ........... [7:67352]

2003-04-12 Thread neil K.
Hi,

I have two 1751 to configure for toll bypass purpose as shown below.



R1with (FXS) .IP
network.R2(With FXO) = PSTN
I want the dial-tone of R2 PSTN at R1 location.
I have configured the routers as follows but I can't do long distance. I
have tried different dial-patterns, I want to be able to dial 10 digit and
11 digit numbers from the R1 location, the same way as I do in R2, meaning
dial 1 for long distance and local code for local calling.
Right now I can make and receive calls but I can dial just 10 digit numbers.

Please help,

Configurations :

R2

hostname r2

interface Ethernet0/0
 ip address 172.20.1.2 255.255.255.0
 half-duplex
!
interface FastEthernet0/0
 ip address 192.168.100.2 255.255.255.0
 speed auto
!
ip classless
no ip http server
ip pim bidir-enable
!
!
!
call rsvp-sync
!
voice-port 2/0
 timeouts call-disconnect 3
 connection plar opx 4081234567
!
voice-port 2/1
 connection plar opx 4081234567
!
dial-peer cor custom
!
!
!
dial-peer voice 1 pots
 preference 1
 destination-pattern ..
 port 2/0
!
dial-peer voice 100 voip
 destination-pattern 4081234567
 session target ipv4:192.168.100.1
 dtmf-relay h245-signal
 ip qos dscp ef media
!
dial-peer voice 2 pots
 preference 2
 destination-pattern ..
 port 2/1
!


-

R1 cfg




interface Ethernet0/0
 ip address 172.20.1.254 255.255.255.0
 half-duplex
!
interface FastEthernet0/0
 ip address 192.168.100.1 255.255.255.0
 speed auto
!
ip classless
no ip http server
ip pim bidir-enable
!
!
!
call rsvp-sync
!
voice-port 2/0
!
voice-port 2/1
!
dial-peer cor custom
!
!
!
dial-peer voice 1 pots
 preference 1
 destination-pattern 4081234567
 port 2/0
 !
dial-peer voice 100 voip
 destination-pattern ..
 session target ipv4:192.168.100.2
 dtmf-relay h245-signal
 ip qos dscp ef media
!
dial-peer voice 2 pots
 preference 2
 destination-pattern 4081234567
 port 2/1
 !
alias exec c conf t
alias exec sir sh ip route
alias exec siib sh ip int brief
alias exec sr sh runn
alias exec svp sh voice po


neil K




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Re: VPN CONCENTRATOR Parallel FW [7:66819]

2003-04-04 Thread neil K.
Joseph,

In this scenario all you had to do is specify the TUNNEL DEFAULT Gateway on
the Concentrator, Is that right.
Also In site to site VPN case, the remote site can get the DHCP addresses
from the servers if we define helper address on the remote site VPN
router...right ?

Thanks,

neil

Joseph Brunner  wrote in message
news:[EMAIL PROTECTED]
 You need a router when running them parrallel.
 The router will determine internet traffic goes to the pix, remote
 vpn lan's etc go to the vpn 3000.

 Mine is like

 VPN 3000 PIX
 10.0.0.210.0.0.10


10.0.0.0/24

 10.0.0.1
   RTR
 192.168.0.1

 SERVERS 192.168.0.0/24


 This way no servers need route commands to know where
 to route what. And you guessed it, my vpn clients get addresses
 on the subnet between router and vpn (10.0.0.0/24)




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VPN CONCENTRATOR Parallel FW [7:66819]

2003-04-03 Thread neil K.
All,


I am planning to put a VPN concentrator parallel with a Firewall.The problem
I am concerned about is the default gateway on the servers and other
workstations.
Since the concentrator is sitting parallel to the FW, The servers have a
router which is on the same subnet as the Firewall inside interface and VPN
Concentrator inside,defined as the default gateway. So for the servers to
send the traffic back,I think we have to  add a static route with the
regular route command under windows..
Is that the only solution or the Tunnel Default Gateway option in the
Concentrator will help to fix this issue.

Any help will be highly appreciated.

Thanks,

Neil




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1720 crashing every week [7:66080]

2003-03-25 Thread neil K.
Hi Folks,

I got two 1720's connected with a two bri's. I am running PPP multilink on
them, it is basic ISDN setup with PPP Multilink,Also I have set up a very
high idle-timer on the dialer interface just to keep them up indefinitely,
but the routers crash every week and I have to manually reset them and, then
they work fine for a week.Any help will be highly appreciated.

Thanks,

neil




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1720 crashing every week [7:66080]

2003-03-24 Thread neil K.
Hi Folks,

I got two 1720's connected with a two bri's. I am running PPP multilink on
them, it is basic ISDN setup with PPP Multilink,Also I have set up a very
high idle-timer on the dialer interface just to keep them up indefinitely,
but the routers crash every week and I have to manually reset them and, then
they work fine for a week.Any help will be highly appreciated.

Thanks,

neil




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can u summarize area 0 [7:63365]

2003-02-19 Thread neil K.
Folks,

Can area 0 be summarized in OSPF ?

Thanks,

Neil




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PIM Sparse-dense-mode configuration [7:63146]

2003-02-16 Thread neil K.
Folks,

I am having problem configuring IP PIM SPARSE_DENSE MODE over a Frame Relay
network.The network looks like


R1(s0)--FR--(S1)R4(S0)--FR---(S0)R6(e0) igmp group
join(224.4.4.4)

R6 has two dlci's configured on physical interface one pointing to R4 and
the Other to R2.
I configured a static RP on R1, R4 and R6 with the loopback of R6 acting as
RP.I can't ping the 224.4.4.4 address from R4 or from R1.
Any suggestions.
Highly appreciate any help.

Neil.




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Re: BGP question. [7:62519]

2003-02-05 Thread neil K.
Rajesh,

Check the next hop for the BGP routes and see if it is reachable. If not you
can use next-hop-self command to fix the issue or have IGP reach that next
hop address.

Hope this helps.

Sunil Soporie
Rajesh Kumar  wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
 Hi all,

   I come across some situations where I could see some routes in the BGP
 table, but those routes aren't there in the regular routing table.  The
 configuration has no sync configured and couldn't guess how to go
 about it.  Can somebody help me out here?

 thanks,
 r




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difference between Connection trunk, Connection Tie-Line [7:62355]

2003-02-03 Thread neil K.
Hi Folks,

Can anyone please explain the difference between using Connection Trunk and
Connection Tie-Line as applied to a FXO to FXS connection between two
routers.Any good Cisco Links explaining the differences will be great.

Thanks,

Neil I.




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Connection Trunk, Tie-line [7:62291]

2003-01-31 Thread neil K.
Hello Guys,

1) Could you please explain, when the connection type Trunk should be used,
and when the connection type Tie-line.
2) Also what happens if I configure the connection Trunk for linking FXO and
FXS on two routers.
3) The connection Trunk command has string parameter also, what is this
number. I have seen this number corresponds to the phone number on the other
side of the trunk, but what happens if I want to call many phone/extensions
using the same FXO / FXS trunk configuration.

I will appreciate your help.

Thanks,

neil K.




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NAT and VoIP [7:62053]

2003-01-28 Thread neil K.
Anyone heard about having problems with NAT and running VoIP.
I want run VoIP across a DSL link with NAT.

Thanks in advance.

neil K.




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CCNP Recertification [7:62055]

2003-01-28 Thread neil K.
Anybody passed CCNP recertification test recently. Any suggestions, what to
look for and what books to refer.

Thanks,

neil K.




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PBX knowledge for VoIP [7:61958]

2003-01-27 Thread neil K.
Hi Guys,

Need your help.
How much PBX knowledge / Voice networking knowledge is necessary to be a
good VoIP Engineer. Any suggestions on books to go through or any web sites.

Thanks,

neil K.




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Voice Over Internet [7:61467]

2003-01-21 Thread neil K.
Hi Guys,

I have a few questions regarding implementing VoIP.
1) Can I have different remote offices run VoIP if they have (DSL access of
Cable modem access) to the Internet, I mean running VoiP over internet as
there wouldn't be any QoS.I am not sure about the Quality of Voice in that
case.Also can the service provider of DSL or Cable provide us with some kind
of QoS so that the Voice quality can be improved.

2)Will implementing a VPN solution help in running VoIP  and how and what
are the different solutions and what vendors should I be looking at.

3) Does Cisco have a solution for this.

Thanks in advance.

Neil. K.




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Re: Voice Over Internet [7:61467]

2003-01-21 Thread neil K.
Is it supported by Cisco and I am taking about connecting office's with 4 -
10 phones.
Does yr Service Provider provide any kind of QoS.

Thanks,

Neil

neil K.  wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
 Hi Guys,

 I have a few questions regarding implementing VoIP.
 1) Can I have different remote offices run VoIP if they have (DSL access
of
 Cable modem access) to the Internet, I mean running VoiP over internet as
 there wouldn't be any QoS.I am not sure about the Quality of Voice in that
 case.Also can the service provider of DSL or Cable provide us with some
kind
 of QoS so that the Voice quality can be improved.

 2)Will implementing a VPN solution help in running VoIP  and how and what
 are the different solutions and what vendors should I be looking at.

 3) Does Cisco have a solution for this.

 Thanks in advance.

 Neil. K.




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Re: Voice Over Internet [7:61467]

2003-01-21 Thread neil K.
I have a couple of questions more.
1) The IP addressing. The Ip address is assigned dynamically by Service
Provider and also the running NAT on the router, will it be an issue.
2) In that case VPN would be a better choice or not.

Neil


Bruce Enders  wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
 Neil,
 In broad brushstrokes the answers are sort of:
 1. Variable delay is the worst enemy of Voice QoS. Queuing delays are
 sometimes very common in ISP-to-ISP connections. Putting Voice traffic
 on the Internet is a risky proposition if you have significant concerns
 regarding Voice quality. Making sure that each remote has significant
 bandwidth for the VOIP traffic is the first step.  ISPs may be capable
 of providing some levels of QoS, but may be reluctant to do so. Most
 ISPs have significantly less queuing delay within their network than
 they do across connections to other ISPs. (VOIP across the same ISP
 backbone usually results in better than acceptable voice quality). It is
 usually the links that connect different ISPs that create the most
 problems. I have seen large VOIP implementations that achieved very good
 voice quality over a very large geographic area that was all served by
 one ISP. (Choose your ISP wisely).

 2. VPN could hurt voice quality as some concentrators inject delay into
 the audio streams. Check the delay specs on any VPN concentrator you are
 thinking about using to see how much delay you can expect to have to
 deal with.

 3. Solution? Most new Cisco routers and switches support QoS
 configurations that enhance the probability of achieving good voice
 quality within a network. I do not know the specs on their VPN
 concentrators off the top of my head.

 HTH
 Bruce

 neil K. wrote:

 Hi Guys,
 
 I have a few questions regarding implementing VoIP.
 1) Can I have different remote offices run VoIP if they have (DSL access
of
 Cable modem access) to the Internet, I mean running VoiP over internet as
 there wouldn't be any QoS.I am not sure about the Quality of Voice in
that
 case.Also can the service provider of DSL or Cable provide us with some
kind
 of QoS so that the Voice quality can be improved.
 
 2)Will implementing a VPN solution help in running VoIP  and how and what
 are the different solutions and what vendors should I be looking at.
 
 3) Does Cisco have a solution for this.
 
 Thanks in advance.
 
 Neil. K.
 --


   Bruce Enders   Email: [EMAIL PROTECTED]
   Chesapeake NetCraftsmeno:(410)-280-6927, c:(443)-994-0678
   1290 Bay Dale Drive, Suite 312 WWW: http://www.netcraftsmen.net
   Arnold, MD 21012-2325  Cisco CCSI# 96047
  Efax 443-331-0651




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Re: OSPF DEMAND-CIRCUIT, not stopping the link UPDOWN [7:60719]

2003-01-10 Thread neil K.
I have configured the peer neighbor, also checked the ospf cost which is
more than the Ethernet and also point to point configured on BRi.

I checked the ospf  database but it was not showing the DNA bit was set.
Any suggestions.

Thanks,

neil

Eisert, James A (Jad) %  wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
 Have you done a debug interesting packets to see exactly what is causing
 your dialer to dial?

 James A Eisert (Jad)
 HP Managed Services at Agere Systems
 Agere Operations Center
 610-712-5700
 [EMAIL PROTECTED]

  -Original Message-
 From: neil K. [mailto:[EMAIL PROTECTED]]
 Sent: Thursday, January 09, 2003 12:25 PM
 To: [EMAIL PROTECTED]
 Subject: OSPF DEMAND-CIRCUIT, not stopping the link UPDOWN [7:60719]

 Guys,

 The ISDN back between two of my routers keeps on dialling. I am running
ospf
 over the ISDN which is a backup for frame relay link. I have configured
the
 ISDN bri with ip ospf demand-circuit and still it keeps dialling.I have
even
 used no peer-neighbor command on the interface.
 Please help.

 Thanks in Advance.

 neil k.




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OSPF DEMAND-CIRCUIT, not stopping the link UPDOWN [7:60719]

2003-01-09 Thread neil K.
Guys,

The ISDN back between two of my routers keeps on dialling. I am running ospf
over the ISDN which is a backup for frame relay link. I have configured the
ISDN bri with ip ospf demand-circuit and still it keeps dialling.I have even
used no peer-neighbor command on the interface.
Please help.

Thanks in Advance.

neil k.




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Re: OSPF DEMAND-CIRCUIT, not stopping the link UPDOWN [7:60719]

2003-01-09 Thread neil K.
I mean sh dialer.
PPP multilink is enabled on the circuit.
also no peer neighbor-route is defined.
Still having problems.

neil
neil K.  wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
 Guys,

 The ISDN back between two of my routers keeps on dialling. I am running
ospf
 over the ISDN which is a backup for frame relay link. I have configured
the
 ISDN bri with ip ospf demand-circuit and still it keeps dialling.I have
even
 used no peer-neighbor command on the interface.
 Please help.

 Thanks in Advance.

 neil k.




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Virtual-link and area range command [7:60408]

2003-01-05 Thread neil K.
Guys,

How do I summarize a virtual link using area range command so that I can see
the routes in RIP domain.

Thanks,

neil




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VPN Concetrator #3030 [7:58982]

2002-12-11 Thread neil K.
Hi All,

Few questions regarding the VPN Concentrator

1. what do I do for Redundancy, ( VPN Redundant Bundle)
2. Load balancing
3. Where to put the Concentrator ( prefer putting the VPN Concetrator behind
Firewall).What are issues I will have to consider if I put the concentrator
behind Firewall.

Thanks,

Sunil




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extended access-list in/ out [7:58750]

2002-12-07 Thread neil K.
guys,

Please explain, how to apply extended access-list so as to permit inbound
and outbound telnet access.
I want to apply the access list to same interface in and out.

Thanks,

neil.




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FXO ports to connect two PBX's [7:58410]

2002-12-02 Thread neil K.
Hi All,

Can we use FXO ports in routers to connect two locations with PBX's. I have
PBX at locaton A, and a PBX and location B. I want to run VoIP between
the two locations over Frame Relay link. Can I use FXO cards in the Router
on Location A and FXO on the router at location B and have VoIP run
between the sites.

The setup would look like this PBX to FXO --Frame
Relay FXO to PBX.
Any help will be highly appreciated.

Thanks,

Neil K.




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Re: CCIE written [7:58400]

2002-12-02 Thread neil K.
It is very difficult, although the passing score is low ( less than 60 %)
but you got to work really hard to pass it.

neil
saj  wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
 Hi,
 Just want to know whether anyone has attempted CCIE
 theory and lab recently.Whether there are any
 changes.How hard is the CCIE written?
 Thanks.
 Saj

 __
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VoIP Testing :MOS Vs PQSM [7:58061]

2002-11-25 Thread neil K.
Guys,

VoIP Testing, do you go by MOS or PQSM. I mean when testing  VoIP will
perform on a network before implementing it. There are many tools that give
a MOS score and many other tools give a PSQM report. What do you recommend?

Thanks,
Neil K.




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Re: 2950 EMI [7:57499]

2002-11-15 Thread neil K.
NO.

neil
Arni V. Skarphedinsson  wrote in message
news:200211151017.KAA25359;groupstudy.com...
 I have a simple question, can the Catalyst 2950 switch with a EMI Software
 Image Route i.e. does it become a L3 swithc when the EMI images is loaded,
 like the 3550 can with the EMI Image.


 Best regards,
 Arni




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FXS to key-system connection [7:57522]

2002-11-15 Thread neil K.
Hi All,

How can you interface the FXS to the key system.I mean FXS provides
dial-tone so I was thinking only a phone or fax can be interfaced to an FXS
port.
Can anyone explain.
Thanks in advance for your help.

neil




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Re: FR V/S Leased line [7:56764]

2002-11-07 Thread neil K.
Checkout the definition of the Leased line and Frame-Relay, I am pretty sure
that it will give you an idea about the advantages and disadvantages.

Neil
Hitesh Pathak R  wrote in message
news:200211030552.FAA27439;groupstudy.com...
 Dear Group,

 Does anybody know a url on the web which gives comparison or advantages
 between FrameRelay and Leased Line.

 Many thanks in Advance
 Hitesh


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frame-relay traffic shaping [7:55432]

2002-10-11 Thread neil K.
Hi Group,

Can someone please explain to me the difference between cir and mincir.Any
help is highly appreciated.

Regards,

neil




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CIR / minCIR [7:55284]

2002-10-10 Thread neil K.

Hi Group,

Can someone please explain to me the difference between cir and mincir.Any
help is highly appreciated.

Regards,

neil




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Mincir/Cir [7:55223]

2002-10-09 Thread neil K.

Hi Group,

Can someone please explain to me the difference between cir and mincir.Any
help is highly appreciated.

Regards,

neil




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FXS and Key System connection [7:52288]

2002-08-29 Thread neil K.

Hi Group,

Could anyone please tell me is there a way to connect FXS to Key system, I
was thinking that it can only be used to connect to an Analog phone or Fax,
but I have heard there is a way to connect it to Key system, I guess in that
case some programming might be needed in Key System.

Please help,

neil




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Dial out solution [7:51230]

2002-08-12 Thread neil K.

Hi All,
Guys I am currently using a Shiva modem pool for dial out, Is there a Cisco
solution for this.The Shiva is not working upto our expectations.
Will the Cisco Access Servers or a cisco 3640 with modem card be able to do
the same.

Any help will be highly apprecisted.

Thanks,

neiL




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Dial out solution [7:51231]

2002-08-12 Thread neil K.

Hi All,
Guys I am currently using a Shiva modem pool for dial out, Is there a Cisco
solution for this.The Shiva is not working upto our expectations.
Will the Cisco Access Servers or a cisco 3640 with modem card be able to do
the same.

Any help will be highly apprecisted.

Thanks,

neiL




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aironet wireless lan [7:50153]

2002-07-30 Thread neil K.

Hi All,

Recently Installed Aironet 1200 series based wireless LAN,with cisco LEAP
authentication.Now the network works for a couple of days and then doesn't
until I reboot the Access Points or the Cisco 3524-PWR-XL series switch from
which the access points are powered.
Has anybody faced problem like this.
Any help will be highly appreciated.

Neil




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VoIP Bandwidth Calculation you wil have to consider two VoIP [7:49381]

2002-07-22 Thread neil K.

Hi All,

Using the standard formulas, I see for a bandwidth required for a g.729 call
is 24kbps without RTP compression.I used to do the same when using other
codecs.
Recently I came across some VoIP documentation which said that you will have
to consider two RTP flows to simulate a call, and hence the requirement for
Bandwidth doubles.say g729 24 kbps becomes almost 48kbps if u consider two
RTP flows.

Any help will be highly appreciated.

Thanks,

Neil




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Re: VoIP Bandwidth Calculation you wil have to consider two [7:49404]

2002-07-22 Thread neil K.

Steve,

It makes sense to consider two RTP flows as a conversation consists of
full-duplex transmission.
both people speak at the same time in a normal conversation, so that is why.
please let me know if you have any thoughts on this

neil

Steven A. Ridder  wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
 I'm not sure the context the document was written in, but it's only 24K
 (give or take depending on the L2 encap) that you need to plan for.

 Steve


 neil K.  wrote in message
 [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
  Hi All,
 
  Using the standard formulas, I see for a bandwidth required for a g.729
 call
  is 24kbps without RTP compression.I used to do the same when using other
  codecs.
  Recently I came across some VoIP documentation which said that you will
 have
  to consider two RTP flows to simulate a call, and hence the requirement
 for
  Bandwidth doubles.say g729 24 kbps becomes almost 48kbps if u consider
two
  RTP flows.
 
  Any help will be highly appreciated.
 
  Thanks,
 
  Neil




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Implementiong QoS [7:49183]

2002-07-18 Thread neil K.

Hi All,

Please recommend a QoS technique for implementing on  Cisco 2600's connected
by Wireless links ( Aironet Wireless) which does not support any Qos.
I mean I am planning to implement QoS on the Router's and the send the
traffic to Bridges on to sides.
I was planning to implement CBWFQ on the ethernet interfaces on the 2600.

Any help will be highly appreciated.

Sunil




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Re: CCIE Written passed - Boson [7:45535]

2002-05-31 Thread neil K.

Hi Alex,

Congratulations.
I am also planning to take the CCIE written next month.I don't have any
material from Boson or from anybody else.
Could you please tell me which book to follow for the QoS / performance, and
how much of this stuff is asked in the exam.
Also is the will Boson Material help a lot?

Thanks,

Neil



Pierre-Alex Guanel  wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
 I took the CCIE written yesterday afternoon and passed (80%)

 I was expecting more, but I flunked the performance/QoS section of the
exam,
 which I neglected somewhat during preparation.

 I used both Boson #1 and Boson #3. Those 2 tests are complementary and are
 NOT substitute for each other. Boson #3 focuses on SNA issues where as
Boson
 #1 focuses on the other networking topics.
 If you can, you should purchase both tests.

 For preparation I did a pre-test on Boson #3 and discovered how little SNA
 and ATM I knew. For 3 weeks, I studied SNA and ATM using CCO + hands-on
 until the whole thing felt natural. Then, on the 4th week of preparation I
 repeated the same strategy with Boson #1. I dicovered 3 areas of
networking
 where I had some weaknesses. I only had time to work on 2 of them
thoroughly
 before the test.

 Thank you to Bernard and Dennis for excellent test materials and to all
 those who gracefully took the time to answer my questions. I particularly
 want to thank Priscilla and Leigh Anne who both put me back on track
several
 times during the last two years and Daniel Cotts for squeezing some time
out
 of his busy schedule to spend some time discussing Cisco with me.


 Pierre-Alex




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VPN Design [7:44953]

2002-05-24 Thread neil K.

Hi All,

1. Could anyone please tell me what needs to be done on the PIX firewall if
the
Cisco VPN concentrator is placed in such a way as the public interface is in
the DMZ and private interface on the inside network.
2. This design of placing the Concentraor in the DMZ is a little complex as
compared to keeping the Concentrator Parallel to Firewall, which has
security
risks.Also in the case of Parallel design concentrator public address has to
be in the IP subnet as the
Firewall and the External Router( If I am not wrong) can this be overcome by
placing the Concentrator in the DMZ.
3. Does the firewall need some routing capability so that it can route
Encrypted packets to go thru concentrator or can it be done by adding routes
to the servers pointing to concentrator.
4. What will have to be done if there are some AS-400 servers and we are
planning to use IPsec.

Any help will be highly appreciated.

Thanks,

Neil




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DEC VAX Nework and IP Network [7:39404]

2002-03-24 Thread neil K.

Hi All,

What must be done so that the IP network on Ethernet can talk to VAX
Servers.?
Also what do the DECserver 250 boxes do ?

Any help will be appreciated.

Neil




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Re: CCIE written -Query [7:37247]

2002-03-06 Thread neil K.

You are right, No going back and they don't specify choose 3 or  4 they
say choose all that apply.

neil
Chhetri Naresh  wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
 Hi Gurus,

 Need some info about the written exam,

 is the written exam like other cisco exams where u cant go back  and
 i have heard that for multiple questions unlike other cisco exams where
they
 say choose 3 out of 6, for ccie written they just say select the correct
 ones from the option in other words they dont say that u have to select 3
or
 any number from the possible options listed.

 Could all of you pls enlighten me.
 Thanks in advance.

 Cheers
 Naresh




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Re: Stupid 2500 confreg question [7:37287]

2002-03-05 Thread neil K.

Reseat the Flash and the memory. This solved my PIX issue.

neil
Craig Columbus  wrote in message
news:[EMAIL PROTECTED];
 The cable is good and scroll lock isn't on.  Same PC setup and cable work
 fine on other 2500 series.  I haven't run into this particular issue
before.

 Craig


 At 11:50 AM 3/5/2002 -0500, you wrote:
 Have you tried a different cable?
 
 
 - Original Message -
 From: Craig Columbus
 To:
 Cc:
 Sent: Tuesday, March 05, 2002 11:18 AM
 Subject: Stupid 2500 confreg question
 
 
   Has anyone run into an issue where a 2500 series router won't respond
to
   console input?
   Here's the deal:
   The PC is running 9600-8-N-1 and is connected to the 2500 console
port.
   The router has had nvram erased and is being booted for the first
time.
   Upon boot, the normal boot process is seen on the monitor screen.
   When prompted to enter configuration dialogue, it's not possible to
input
   anything on the router.  Typing does nothing and there is no response
 from
   the router.
   If Ctrl-F6-Break is pressed during boot, the router goes to the 
prompt,
   but after that, the router still won't accept any input from the
console
 port.
  
   Has anyone experienced this issue?  Is this a config register problem?
 If
   so, is there a fix other than experimenting with different settings on
 the
   PC side?  If not, does anyone have an answer?  Could it be bad boot
ROM?
  
   Thanks,
   Craig
   _
   Commercial lab list: http://www.groupstudy.com/list/commercial.html
   Please discuss commercial lab solutions on this list.
 _
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 Please discuss commercial lab solutions on this list.




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Re: ISDN [7:37123]

2002-03-04 Thread neil K.

ebay.com.

mindiani mindiani  wrote in message
news:[EMAIL PROTECTED];
 Where can I buy an ISDN simulator for my home LAB ?.

 

 Chat with friends online, try MSN Messenger: Click Here




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Debug ISDN q921 or debug isdn q931 [7:36837]

2002-02-28 Thread neil K.

Hi All,

I want Troubleshoot a ISDN connection to my 3600 series router, The Router
has just one ISDN connection and rest are ATM PVC's.My question is , will
the use of debug ISDN q921 and q931 be the right option or will it be so
severe to bring down the router considering the router is in production.
Thanks,

neil




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Will the ccie writtn exams aailable from different [7:34998]

2002-02-09 Thread Neil K.

Hi All,

I am preparing for CCIE written.Practice exams are available frommany
website, could anyone please tell me, do these help and if so which website
would you recommend.

Thanks in advance,

Neil K.


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