RE: Cisco uBR924 and Internet problems... [7:61754]

2003-01-24 Thread Peter van der Voort
Hi Leonardo,

Basically, you're answering your own question: the provider lets you
download a file that disables your service.
Normally, this file specifies the Class Of Service you get from your
provider, like upstream and downstream bandwidth.

Now for some reason, the provider doesn't want to give you any service and
therefore let you download a file which denies access.

There is one thing that I don't understand, though. If you didn't buy this
modem from your provider (or did you?) then the modem's MAC address is not
registered with them. Therefore, why would they allow the DHCP server to
give your modem an IP address? That doesn't make sense.

On the other hand, if you did buy the modem from the ISP, then like I said,
they just doesn't want to give you access for some reason (not paying your
subscription fee springs to mind ;))

Bottom line: you have to contact them.

Good luck
Peter

 -Original Message-
 From: Leonardo FUK [mailto:[EMAIL PROTECTED]]
 Sent: Friday, January 24, 2003 7:29 AM
 To: [EMAIL PROTECTED]
 Subject: Cisco uBR924 and Internet problems... [7:61754]
 
 
 Hello everyone!!
 
 I have a question here, I need your help!
 Recently I bought a Cisco uBR924 and I've been trying to 
 connect it at home,
 so I can expand my home lab capabilities. My service provider 
 is Time Warner
 (Road Runner) and I simply can't connect it to the Internet. 
 This router has
 one cable-modem interface, four ethernet ports (represented 
 as 1 ethernet
 interface) and two FXS voice-ports.
 
 According to the Cisco's documentation, the service 
 establishment process of
 a
 cable-modem-router like this one is as follows:
 
 - Scan for a downstream channel and establish synchronization 
 with the CMTS.
 - Obtain upsteam channel parameters.
 - Start ranging for power adjustments.
 - Establish IP connectivity
 - Establish the time of day
 - Establish security
 - Transfer operational parameters
 - Perform registration
 - Comply with baseline privacy
 - Enter the operational maintenance state
 
 When I issue show int cable-modem 0, I notice a lot of  
 interface resets
 displayed by the output. Further investigation required me to 
 run some debug
 commands and - I love this one - show controllers 
 cable-modem 0 mac log,
 which probably identified the problem. I could see almost all
 CMAC_LOG_STATE_CHANGE events, but during the registration process
 (registration_state), the modem received a 
 RESET_AUTHENTICATION_FAILURE.
 I pasted part of the output so my question may be answered by someone:
 
 The steps from scanning downstream to establish security 
 seem to be
 fine:
 
 1041.159 CMAC_LOG_STATE_CHANGE   
 wait_for_link_up_state
 1041.159 CMAC_LOG_STATE_CHANGE
 ds_channel_scanning_stat
 1043.540 CMAC_LOG_STATE_CHANGE   wait_ucd_state
 1046.319 CMAC_LOG_STATE_CHANGE   wait_map_state
 1046.371 CMAC_LOG_STATE_CHANGE   ranging_1_state
 1047.337 CMAC_LOG_STATE_CHANGE   ranging_2_state
 1048.112 CMAC_LOG_STATE_CHANGE   dhcp_state
 1048.404 CMAC_LOG_DHCP_ASSIGNED_IP_ADDRESS   10.47.170.200
 1048.404 CMAC_LOG_DHCP_TFTP_SERVER_ADDRESS   24.29.99.72
 1048.404 CMAC_LOG_DHCP_TOD_SERVER_ADDRESS24.29.99.72
 1048.404 CMAC_LOG_DHCP_SET_GATEWAY_ADDRESS
 1048.404 CMAC_LOG_DHCP_TZ_OFFSET 0
 1048.404 CMAC_LOG_DHCP_CONFIG_FILE_NAME  disabled.bin
 1048.404 CMAC_LOG_DHCP_ERROR_ACQUIRING_SEC_SVR_ADDR
 1048.404 CMAC_LOG_DHCP_LOG_SERVER_ADDRESS24.29.99.57
 1048.404 CMAC_LOG_DHCP_COMPLETE
 1059.956 CMAC_LOG_STATE_CHANGE   
 establish_tod_state
 1059.956 CMAC_LOG_TOD_REQUEST_SENT   24.29.99.72
 1059.964 CMAC_LOG_TOD_REPLY_RECEIVED 3252376461
 1059.968 CMAC_LOG_TOD_COMPLETE
 1059.968 CMAC_LOG_STATE_CHANGE
 security_association_state
 1059.968 CMAC_LOG_SECURITY_BYPASSED
 
 But when the modem downloaded de DOCSIS configuration (the 
 config file), I
 noticed something weird:
 
 1059.968 CMAC_LOG_STATE_CHANGE
 configuration_file_state
 1059.968 CMAC_LOG_LOADING_CONFIG_FILEdisabled.bin
 1063.988 CMAC_LOG_CONFIG_FILE_PROCESS_COMPLETE
 
 Did you noticed the filename received by the Cisco uBR924? Its name is
 DISABLED.BIN. It doesn't sound good..
 
 After that, the next step is registration. Now I noticed 
 that the CTMS
 has, for an unknown reason, rejected the registration 
 process. Therefore,
 the router is unable to proceed with other steps toward the Internet
 connection.
 
 977.130 CMAC_LOG_STATE_CHANGE   registration_state
977.130 CMAC_LOG_REG_REQ_MSG_QUEUED
977.138 CMAC_LOG_REG_REQ_TRANSMITTED
977.142 CMAC_LOG_REG_RSP_MSG_RCVD
977.142 CMAC_LOG_RESET_AUTHENTICATION_FAILURE
977.142 CMAC_LOG_STATE_CHANGE   
 reset_interface_state
977.142 CMAC_LOG_STATE_CHANGE   
 reset_hardware_state
 
 I 

RE: BGP origin attribute type e - EGP? [7:61075]

2003-01-16 Thread Peter van der Voort
A route with origin egp is not learned from an external BGP peer, but from a
peer running the protocol EGP (External Gateway Protocol, the predecessor of
BGP).
It's also possible to change this origin code via a route-map.

Peter

 -Original Message-
 From: cebuano [mailto:[EMAIL PROTECTED]]
 Sent: Thursday, January 16, 2003 7:52 AM
 To: [EMAIL PROTECTED]
 Subject: RE: BGP origin attribute type e - EGP? [7:61075]
 
 
 Amar,
 Are you referring to an External BGP peer? I hope not as I 
 haven't seen
 that happen in any BGP labs I've done.
 
 -Original Message-
 From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On 
 Behalf Of
 Amar
 Sent: Wednesday, January 15, 2003 3:00 PM
 To: [EMAIL PROTECTED]
 Subject: Re: BGP origin attribute type e - EGP? [7:61075]
 
 when the update is learned from an E-BGP neighbor.
 rgds
 
 Wei Zhu  a icrit dans le message de news:
 [EMAIL PROTECTED]
  In what condition is the EGP origin type generated?
 
  Thanks
  Wei




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RE: NAT overload vs. static [7:57420]

2002-11-14 Thread Peter van der Voort
So if you have a router with S0 to the outside and e0 to the inside.
Suppose you have an inside network of 10.10.10.0/24, where 10.10.10.30 is
your webserver.
Suppose the IP addres of S0 is 172.16.0.1

ip nat inside source list 2 interface serial 0 overload
ip nat inside source static tcp 10.10.10.30 80 172.16.0.1 80 

interface ethernet 0
ip nat inside

interface serial 0
ip nat outside

access-list 2 permit 10.10.10.0 0.0.0.255

That should work.

Peter


 -Original Message-
 From: [EMAIL PROTECTED] (John Nemeth)
 [mailto:nobody;groupstudy.com]
 Sent: Thursday, November 14, 2002 5:49 AM
 To: [EMAIL PROTECTED]
 Subject: NAT overload vs. static [7:57420]
 
 
 This is something that is easily done with most host based
 implementations of NAT.  The objective is to use a single outside
 address.  I want to NAT a network.  However, there is a webserver on
 the inside which people on the outside need to be able to reach.  I
 want to be able to redirect traffic sent to TCP port 80 on the outside
 address to the web server.  I realise I can do this with a static
 mapping, but this would require an outside address dedicated 
 to the web
 server and I want to do this without using more then one outside
 address.  I've gone through the IOS docs on sections dealing with NAT
 and didn't find any way to do this.  Does anybody have any
 suggestions?




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RE: recover lost password WITHOUT losing config on 2500 router [7:57384]

2002-11-13 Thread Peter van der Voort
If you copied you running config to startup config then there shouldn't be a
problem.
Set the confreg to 0x2142, which causes the router to startup without
getting its config.

When it's back up, go into enable mode. There isn't a password obviously. 
Then do a copy start run, and change the password.

Peter


 -Original Message-
 From: nettable_walker [mailto:richardlpickard;hotmail.com]
 Sent: Wednesday, November 13, 2002 10:00 PM
 To: [EMAIL PROTECTED]
 Subject: recover lost password WITHOUT losing config on 2500 router
 [7:57380]
 
 
 11/13/20023:03pm   Wednesday
 
 Professionals,  I have recovered many a password on Cisco 
 routers but this
 time I really need to keep the config if at all possible.  
 Cisco says you
 can do it.  Has anyone pulled it off  ?




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RE: please help with vlan scenario [7:57245]

2002-11-12 Thread Peter van der Voort
Barry,

You can enable a trunk on the 3548, and create subinterfaces on the 3550 at
site A.
I don't know the exact configuration details about a 3550, but it should be
something like:

interface gigabitethernet 0/2
no switchport
!
interface gigabitethernet 0/2.10
encapsulation dot1q 10   -Original Message-
 From: Barry Warrick [mailto:nobody;groupstudy.com]
 Sent: Monday, November 11, 2002 11:23 PM
 To: [EMAIL PROTECTED]
 Subject: please help with vlan scenario [7:57245]
 
 
 I have Site A which acts as a host for incoming fiber connections from
 Site's B,C, and D. All 4 sites are on different subnets. At Site A a
 Catalyst 3550G with 12 available fiber GBIC connections is what the 3
 incoming sites B,C, and D connect to on GBIC interfaces 1,2, and 3,
 respectively.. The 3550G also has two Ethernet ports on it, 
 one which has a
 crossover to a Catalyst 3548 switch, which feeds the local 
 LAN users at Site
 A itself.
 
 Interface GBIC 4 on the 3550G has a fiber link connecting to 
 Site E, which
 is then routed over ATM. So basically the 3550 at Site A 
 routes traffic
 between itself and the B,C, and D sites and over to Site E.  Site E is
 actually our core router site (Cisco 3540) but Site A was 
 chosen to hosts
 the other 3 sites (B,C,and D) due to logistics.
 
 Now what I need to do back at Site A is segment the local LAN 
 on the 3548
 switch into two vlans. Both vlans need to pass traffic across 
 the network.
 Remember one port on the 3548 has a crossover to the 3550G 
 switch. The 3550G
 is not set up with vlans. If I break the ports on the 3548 to 
 the vlan's I
 want, I assume I set the crossover port to be a trunk? And if 
 so, do I need
 to setup the other end of the crossover on the 3550 with any vlan's or
 trunking??? No other subnets will be broken into vlan's so I 
 want to make
 sure any change I may have to make on the 3550 to support the 
 local vlans on
 the 3548 do not hinder traffic flow to and from the other 
 sites interfaces
 on the 3550. Am I over complicating this setup? I know my description
 probably is confusing. I guess in simple terms I just need to 
 make sure how
 I set up vlans on the local Site A without affecting the 
 other sites that
 Site A supports?




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RE: serial up, line ptotocol up..for a while [7:56515]

2002-10-30 Thread Peter van der Voort
10 seconds? That almost sound like the keepalive time setting.
After the no shut, the router tried to bring the interface up, sending a
keepalive to the other side, but it didn't receive anything back so it
brought the interface down again.

You may want to check the way you are receiving you're clock and if the
encapsulation is the same on both sides of the serial link.

Peter

 -Original Message-
 From: Md Nazri [mailto:mdnazri;telekom.com.my]
 Sent: Wednesday, October 30, 2002 10:01 AM
 To: [EMAIL PROTECTED]
 Subject: serial up, line ptotocol up..for a while [7:56515]
 
 
 hi all,
 
 after i unshut the serial interface for frame relay service, 
 the status was
 up, up...but after a while(maybe 10 secs), it went back to 
 up,down...and the
 status up,up didn't represent the PVC is up because the 
 Service Provider
 always claim that their LMI status remained down during that
 period...anybody pls explain why did i get up,up although LMI 
 status is down.
 
 Thanks
 
 rgds
 naz




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RE: cable network [7:56267]

2002-10-25 Thread Peter van der Voort
 -Original Message-
 From: Barbu Alexandru [mailto:nastybruno;yahoo.com]
 Sent: Friday, October 25, 2002 11:40 AM
 To: [EMAIL PROTECTED]
 Subject: cable network [7:56267]
 
 
 Hi guys! I have a probem with some cable modems.
 The fact is that in the network there are around 150
 cable modems and the uBR can't see more than 90. I
 tried a: 'clear cable modem all reset' and the same no
 of modems is seen(90). 
This command won't reach the modems that you can't see of course, so those
modems won't be reset.

The problem was that we had a
 power outage and the uBR was reset.. If the cable
 modems are hardware reset, the uBR sees them. I assume
 there has to be a way to solve this problem without
 going to each and every customer and reset the cable
 modem.. 
When a modem looses the frequency it was acquired on, it starts scanning for
another one. At first, it takes steps of (I believe) 3 MHz. So it doesn't
take a very long time to go through the whole spectrum.
But when it still can't find a frequency, it starts scanning in steps of 125
kHz. And then it can take an awfull lot of time for the modem to acquire
again.

When you reboot the modem, it will start looking for the frequency it was
last acquired on, before it starts scanning.
So that's why a modem comes online immediately after a power cycle.

Maybe you're just not waiting long enough for the modem to re-acquire again?
It would be interesting to see what the modem is doing, so maybe you can get
a friendly customer to look at that via the web browser? (If that's
possible, as I don't know the make of the modem) At least then you know if
the modem is scanning or just locked up.

Hope that helps.

Peter

  Thanks in advance,
 
 
 Alexandru Barbu
 CCAI,CCNA
 
 __
 Do You Yahoo!?
 Everything you'll ever need on one web page
 from News and Sport to Email and Music Charts
 http://uk.my.yahoo.com




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RE: what is this spantree msg? [7:55540]

2002-10-14 Thread Peter van der Voort

you may want to have a look at:
http://www.cisco.com/en/US/tech/tk389/tk214/technologies_tech_note09186a0080
093dcb.shtml

Good luck!


-Original Message-
From: Sim, CT (Chee Tong) [mailto:[EMAIL PROTECTED]]
Sent: Monday, October 14, 2002 1:13 PM
To: [EMAIL PROTECTED]
Subject: what is this spantree msg? [7:55540]


Hi..  I checked from the log of my cat5505 switch, I found the following.
What is the meaning?  But there was no impact at all.  I have enable the
portfast on those ports but why those port still create spanning tree msg?  

 

Oct  5 00:00:05 57.198.45.252 2002 Oct 04 17:35:13 %PAGP-5-PORTFROMSTP:Port
5/21 left brid

ge port 5/21

Oct  5 00:00:16 57.198.45.252 2002 Oct 04 17:35:25 %PAGP-5-PORTTOSTP:Port
5/21 joined brid

ge port 5/21

Oct  5 00:14:24 57.198.45.252 2002 Oct 04 17:49:33 %PAGP-5-PORTFROMSTP:Port
4/13 left brid

ge port 4/13

Oct  5 00:14:37 57.198.45.252 2002 Oct 04 17:49:45 %PAGP-5-PORTTOSTP:Port
4/13 joined brid

ge port 4/13

Oct  5 00:20:34 57.198.45.252 2002 Oct 04 17:55:42 %PAGP-5-PORTFROMSTP:Port
4/19 left brid

ge port 4/19

Oct  5 00:20:46 57.198.45.252 2002 Oct 04 17:55:54 %PAGP-5-PORTTOSTP:Port
4/19 joined brid

ge port 4/19

Oct  5 00:23:52 57.198.45.254 2002 Oct 04 17:51:51 %PAGP-5-PORTFROMSTP:Port
4/12 left brid

ge port 4/12

Oct  4 23:59:00 57.198.45.254 2002 Oct 04 17:52:04 %PAGP-5-PORTTOSTP:Port
4/12 joined brid

ge port 4/12

Oct  4 23:59:57 57.198.45.254 2002 Oct 04 17:53:01 %PAGP-5-PORTFROMSTP:Port
4/12 left brid

ge port 4/12

Oct  5 00:05:18 57.198.45.254 2002 Oct 04 17:58:22 %PAGP-5-PORTFROMSTP:Port
4/10 left brid

ge port 4/10

Oct  5 00:05:31 57.198.45.254 2002 Oct 04 17:58:34 %PAGP-5-PORTTOSTP:Port
4/10 joined brid

ge port 4/10

Oct  5 00:12:13 57.198.45.254 2002 Oct 04 18:05:16 %PAGP-5-PORTFROMSTP:Port
4/10 left brid

ge port 4/10

Oct  5 00:12:25 57.198.45.254 2002 Oct 04 18:05:28 %PAGP-5-PORTTOSTP:Port
4/10 joined brid

ge port 4/10

Oct  5 00:23:19 57.198.45.254 2002 Oct 04 18:16:22 %PAGP-5-PORTFROMSTP:Port
4/10 left brid

ge port 4/10

Oct  5 00:23:33 57.198.45.254 2002 Oct 04 18:16:35 %PAGP-5-PORTTOSTP:Port
4/10 joined brid

ge port 4/10

Oct  5 00:23:35 57.198.45.254 2002 Oct 04 18:16:38 %PAGP-5-PORTFROMSTP:Port
4/10 left brid

ge port 4/10


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RE: Frame Relay: connectionless or connection-oriented? [7:54707]

2002-10-02 Thread Peter van der Voort

Some documentation may say that it's connection oriented because you have to
set up a PVC (or an SVC) so you pre-establish a connection.

But in fact it's connectionless, since it doesn't have, like you say, a
retransmission system or error checking mechanism
like TCP.

And the terms connection oriented and connectionless, refer to the protocol,
not to the circuit.

Peter


-Original Message-
From: B.J. Wilson [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, October 02, 2002 1:25 PM
To: [EMAIL PROTECTED]
Subject: Frame Relay: connectionless or connection-oriented? [7:54706]


Dear Silent Bob:

Okay lunchbox, my co-workers and I are trying to figure out if Frame Relay
is
connectionless or connection-oriented.  A lot of documentation I'm reading
says it *is*, but somewhere in the chasms of my memory banks I can't help
but
think that it is *not*, because a) it would be redundant given TCP's
function
and b) it would add latency to the Frame cloud, which is supposedly
optimized
for speed (one of the improvements Frame made to X.25).  Am I right, or have
I
been hitting the pipe a little too hard lately?

Your hetero life-mate,

Jay




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RE: Frame Relay: connectionless or connection-orie [7:54707]

2002-10-02 Thread Peter van der Voort

Thinking of the subject again, I would have to come back to what I've said
before.

TCP is connection oriented because there's the three-way handshake session
establishment. It's reliable because of the retransmission and error
checking mechanismns.

UDP is connectionless, because there's no session establishment and it's
unreliable because of a lack of retransmission and error checking
mechanismns.

Frame relay is connection oriented because of the establishment of a
circuit, but unreliable because there are no retransmission and error
checking mechanismns.

X25 is connection oriented and reliable.

Peter



-Original Message-
From: B.J. Wilson [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, October 02, 2002 3:14 PM
To: [EMAIL PROTECTED]
Subject: RE: Frame Relay: connectionless or connection-orie [7:54707]


Well, I tend to look at things from a global or Layer 1 through 7
perspective: does Frame Relay perform the same functions that TCP does?  In
other words, does it perform a check to make sure every single IP packet (or
Frame Relay frame) makes it from the ingress point of the Frame cloud to the
egress point?  I don't believe it does, and therefore I consider it
connectionless.

Now, from a *test* perspective (g...), I suppose the correct answer is
connection-oriented due to the reasons that Peter specified.

BJ



On Wed, 2 Oct 2002 13:03:09 GMT ccnp ccnp2002  wrote:

 Pre-established path, that is it. It surprises
 me all this confusing
 literature I read.
 
 When I was reading for my CCNA a few months
 back, I was going through this
 thing time and again from a Cisco-Authorized
 Course, namely, Frame Relay is
 connection-oriented because of a
 pre-established path.
 
 What do I believe??




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