Re: #!$& lab setup problems
Hi brian: I don´t know exactly about your dsu/csu, and also I´m speaking from europe, my experience is with G703 protocol, and I needed configure it manually, at hardware level. Match with the channels in both senese set DTE, DCE Balance or Unbalance...ect.. (Is better consult your DSU manual) Anyway it seems to me that you have a syncro error, the transmition is not understand by his mate. Good luck Brian Lodwick wrote: > I am having a rough time getting my home lab up and running, and would love > to get some reccomendations on what to try next from the group. I feel like > I have tried everything, but obviously I haven't, because it isn't working. > Anyone care to help out? > > CSU/DSU#1 > TXD=solid green light > RXD=flashing green light > RTS=solid green light > CTS=solid green light > DCD=flashing green light > DTR=solid green light > OOS=flashing red light > LOS=flashing red light > ERR=flashing red light > TST=nothing > > CSU/DSU#2 > DSR=nothing > RTS=nothing > CTS=nothing > DCD=solid green light > TXD=nothing > RXD=solid green light > TST=nothing > NIS=nothing > > CSU/DSU#1 is set for internal clocking and #2 is set for external > clocking. These are both set for synchronous 56k. The pinout noted in both > instruction booklets shows pins 1 and 2 are transmit and pins 7 and 8 are > receive and 3-6 are not used. I have 1 crossed to 8 and 2 crossed to 7. ( I > also tried crossing 1 to 7 and 2 to 8 got the same thing). > CSU/DSU#1 is an ADC Kentrox D-serv 56, and CSU/DSU#2 is a 56K ROUTERmate > made by Cray Communications. > If I turn off #2 the flashing lights stop flashing and go dark, and the > LOS goes to a solid red light. > > I have a 2501 connected to CSU/DSU#1 and a 2502 connected to CSU/DSU#2 > > I just can't figure out what I am doing wrong anyone have any suggestions? > I would be more than happy to give information I am not sure what else would > be pertinent. Thank you in advance. > >>>Brian > > Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com > > ___ > UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html > FAQ, list archives, and subscription info: http://www.groupstudy.com > Report misconduct and Nondisclosure violations to [EMAIL PROTECTED] > --- ___ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
ccnp simulator [7:63502]
There is a lot of router simulators but Is there any good for the ccnp? Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=63502&t=63502 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Password recovery without reload? [7:64453]
Can I see the configuration of a Cisco router without a password recovery? The problem is that the configuration was removed from the startup-config by mistake and nobody remember the password and a password recovery here means loose the configuration. Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=64453&t=64453 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: Password recovery without reload? [7:64453]
SNMP is not an option because it is disabled. In fact the startup-configuration wasn't erased by mistake. The last admin did it because he was fired. > "what? you don't have all your passwords printed out in large type on a > sheet > of paper taped to the equipment rack? what kind of operation you running > there? :->" > > damn I really did LOL at this! > > sorry oscar I think you're screwed without some form of password, the snmp > idea is good, but the question is do you have it setup for snmp? > > scott > > > ""The Long and Winding Road"" wrote in > message news:[EMAIL PROTECTED] > > ""oscar"" wrote in message > > news:[EMAIL PROTECTED] > > > Can I see the configuration of a Cisco router without a password > recovery? > > > The problem is that the configuration was removed from the > startup-config > > by > > > mistake and nobody remember the password and a password recovery here > > means > > > loose the configuration. > > > > > > > what? you don't have all your passwords printed out in large type on a > sheet > > of paper taped to the equipment rack? what kind of operation you running > > there? :-> Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=64582&t=64453 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: Password recovery without reload? [7:64453]
but the pribles is that there is not only a password but a login. So I'm gonna need 3 years to discover the login/password :-( - Original Message - From: "Troy Leliard" To: Sent: Thursday, March 06, 2003 12:48 PM Subject: Re: Password recovery without reload? [7:64453] > You can always try a brute force password attack. Solarwinds have some apps > that do this, (that you can get on 30 day trial too ) > M.C. van den Bovenkamp wrote: > > > > oscar wrote: > > > > > SNMP is not an option because it is disabled. In fact the > > > startup-configuration wasn't erased by mistake. The last > > admin did it > > > because he was fired. > > > > Oh what fun. In that case you're out of luck. I think. > > > > Regards, > > > > Marco. Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=64622&t=64453 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Router simulator for CCNP? [7:69986]
There is a lot of router simulators but Is there any good for the ccnp? Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=69986&t=69986 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
access the inside global from inside (NAT) [7:62041]
I have a web server with an inside local 192.168.0.5 and with static NAT I make an association with the inside global (e.g.) 222.222.222.222 (config)# ip nat inside source static 192.168.0.5 222.222.222.222 I can acces the web server from the internet and I can access the web server from my private network if I use the 192.168.0.5 address in my browser. My question is: Is it possible to access the web server using the 222.222.222.222 from my private network. Is there any way? Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=62041&t=62041 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
a really big bug [7:72463]
Cisco Security Advisory: Cisco IOS Interface Blocked by IPv4 Packet lots and lots of IOS versions are affected http://www.cisco.com/warp/public/707/cisco-sa-20030717-blocked.shtml Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=72463&t=72463 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Subnet mask in Network Addressing
I am trying to determine the IP addresses assigned by a local ISP. The address pool comes from a Class A network with a 27 bit subnet mask. Is it subnet mask used only to determine the number of IP addresses in a subnet, regardless of the network class? -- Oscar Rau [EMAIL PROTECTED] **NOTE: New CCNA/CCDA List has been formed. For more information go to http://www.groupstudy.com/list/Associates.html _ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: Conduit vs. Outbound
On 0, Richard <[EMAIL PROTECTED]> wrote: > When you're applying a conduit to a static statement and an outbound to a > nat 0 statement, which one take precedence? Would the most restricted > outbound access list prevents the permit conduit to go through? > > > Any insight is greatly appreciated. > I am not sure if I understand your question. conduit is for inbound access. outbound is for outbound access. You can talk of precedence of rules for either inbound OR outbound. In either case, the precedence would be for the first defined. Hope that helps. -- Oscar Rau [EMAIL PROTECTED] **NOTE: New CCNA/CCDA List has been formed. For more information go to http://www.groupstudy.com/list/Associates.html _ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Patch panel and LAN distance
Well, I am learning lot through the books on network configuration and network topologies and technologies. They do cover very little about wiring in the real world. If a ethernet LAN segment has a physical distance limitation, then is it possible to extend this distance using patch panel. Are patch panels used only to change the LAN landscape without physically moving the equipement? What are the other uses/functions of having patch panels? Thank you in advance. -- Oscar Rau [EMAIL PROTECTED] _ FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Windows based sniffer
Hello, I am looking for a good windows based sniffer. I heard about Network Generals sniffer but I could not find the link to it. If you have the URL, would you please pass it on to me? If there other good sniffer products please let me know. Thank you in advance. -- Oscar Rau [EMAIL PROTECTED] ___ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Switches and VLANs
We have 24 port switch with 3 VLANs. Can a port exist on 2 VLANs at the same time? Is yes, do the packets from VLAN 1 get broadcasted on VLAN 2? Thank you for any information. Oscar Rau [EMAIL PROTECTED] ___ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
PIX and NAT
We are implementing a DMZ which will be using public IP addresses. The DMZ systems interfacing the PIX interface will have a public IP addresses and not a private IP addresses. In this case, can GLOBAL/NAT statements be still used to add any valuable security to the DMZ systems? Is there any point in using NAT, because we do not have private IP addresses to the DMZ systems? Any thoughts/ideas for this solution appreciated. Thank you in advance. Oscar Rau [EMAIL PROTECTED] ___ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Switch and SPAN port
One of the issues we are facing with the switched environment is the ability to monitor some selected ports and VLANs. I am new to the switching environment. Is a monitor port or SPAN port identifiable or is it configured on a random port on the switch? What would be the configuration command to implement a SPAN port on a switch? Thank you in advance. Oscar Rau [EMAIL PROTECTED] ___ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Documenting PIX config
The recent releases of IOS seem to begin supporting adding coments to the configuration. Is there anyway to document the Cisco PIX configuration? Oscar Rau [EMAIL PROTECTED] ___ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
MAC address
While an IP packet is being packaged to be delivered at the Ethernet frame stage, how is the destination MAC address determined? Is the destination MAC address going to be MAC address of the local gateway or the remote host? Is the MAC changed by the network devices (routers) along the way until it has been delivered to the destination Ethernet IP address? If a MAC address is, 01 23 45 67 89 11 Which half is the vendor specific portion? Where would the multicast bit and locally administered MAC address bit be located? Thank you in advance. -- Oscar Rau [EMAIL PROTECTED] ___ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Class A or C??
We are configuring a PIX interface with the following Address/Subnet Mask. They are 10.9.2.3/255.255.255.0 Would this be Class A address? It is using private address space. Would the subnet mask determine the network class? Thank you in advance. -- Oscar Rau [EMAIL PROTECTED] ___ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Adding HW to PIX
Hi, The PIX system we have only has the inside and outside NICs, which are default. If I were buy a 3Com card off the self and use it to connect to the DMZ, would that effect PIX in anyway. Would PIX recognize this new network HW? Is it something that I have to buy only from Cisco? The difference in cost is big $$$. Any advice or exprience appreciated. TIA. -- Oscar Rau [EMAIL PROTECTED] ___ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
IOS Firewall Feature set vs PIX
This is a bit confusing when it comes to Cisco security products. What is the advantage of buying a PIX when I have a Cisco IOS with the Firewall feature set? It looks like it is doing a lot of packet inspection too. Does IOS Firewall feature set support stateful information? Please let me know any major advantages of using PIX over IOS Firewall feature set. Thank you in advance. -- Oscar Rau [EMAIL PROTECTED] ___ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Modem port on the Router
There are 2 serial interfaces on my Cisco2600. There is also a asynchronous port on the Cisco too. In the "interfaces" section, they are declared as interface Serial0/0 interface Serial0/1 interface Async75 >From the software config, without looking at the HW box, how can I identify the modem interface on the router. The Serial0/0 and Async65 interfaces do have ip addresses on them. There is nothing defined for the Serial0/1 interface. The "line aux 0" has one item, speed 128000 Which one of these is the modem interface to the router? -- Oscar Rau [EMAIL PROTECTED] ___ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
VOIP and VOFR
Hi, How different is VOIP and VOFR? I thought IP networks are possible over Frame Relay (WANs). In this case, does VOIP is to be interpreted as a LAN implementation of Voice network? Can some please explain the differences between VOIP and VOFR? Thank you in advance. -- Oscar Rau [EMAIL PROTECTED] ___ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Cisco Training Partners List
I am trying to locate Cisco Training Partners locally around the Great Lakes region of US. I would consider national training partners too. The cisco web site lists very few training partners from the US. Some of the courses that I am looking for are not even listed in any of the training partner sites that were listed at Cisco. If anyone has links to Cisco Trainers sites, please forward that information. Thank you in advance. -- Oscar Rau [EMAIL PROTECTED] ___ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Connection(less) services
When you look at TCP and UDP applications, they are placed in the Transport layer of the OSI model. Some of the Cisco certification literature suggests that connection oriented services and connectionless services are handled by Layer 3 which is the network layer. Which layer is primarily responsible for connection oriented and connectionless services? Thank you in advance. -- Oscar Rau [EMAIL PROTECTED] ___ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
WAN question
I have some questions about HDLC and WAN protocols. Is HDLC via serial interface between router and mainframe? and between router and router? If HDLC is done between router to router, is it over WAN using POTS? Do WAN technologies such as Frame Relay, X.25, HDLC and ATM networks use POTS? Thanks you for any info. -- Oscar Rau [EMAIL PROTECTED] ___ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: WAN question
On 0, "Taylor, Don" <[EMAIL PROTECTED]> wrote: > HDLC may be used between routers and routers, routers and mainframes, and > mainframes and mainframes. It's all over the place; that's why it's a > standard. It doesn't have to go over a WAN - it can be back to back - but it > certainly can, though never over POTS. POTS stands for Plain Ol' Telephone > Service, which is limited to 56K (and further limited to 53K in the U.S. by > the FCC), so there's no way that higher bandwidth technologies can be used > over it. Besides that, it's asynchronous, whereas the others you mentioned > are not (well ATM kinda is...). > > POTS is a WAN technology, but it's not a protocol like PPP or SLIP. The only > way a WAN protocol (other than async) would use POTS, that I can think of, > is as a backup method. > > - Don > > -Original Message- > From: Oscar Rau [mailto:[EMAIL PROTECTED]] > Sent: Friday, May 19, 2000 7:52 AM > To: Cisco GroupStudy > Subject: WAN question > > > I have some questions about HDLC and WAN protocols. > > Is HDLC via serial interface between router and mainframe? and between > router and router? > If HDLC is done between router to router, is it over WAN using POTS? > > Do WAN technologies such as Frame Relay, X.25, HDLC and ATM networks use > POTS? > > Thanks you for any info. > -- > > Oscar Rau > [EMAIL PROTECTED] > Thanks for replying. I will go to the more basic level of this question. For PPP, ISDN, DSL type of WAN connections, you can use the analogue phone lines at home. What about for Frame Relay, T1, T2 etc. type of lines? What medium is used for these WAN connections? I was under the impression that it is POTS (analogue lines) with specialized equipment. Please correct me if I am wrong. -- Oscar Rau [EMAIL PROTECTED] ___ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
802.2
I know that 802.5 is Token Ring. What is 802.2? Is it ethernet? -- Oscar Rau [EMAIL PROTECTED] ___ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
ATM
Hello, This is a very basic question about ATM. Since ATM is a LAN technology, I would like to know the maximum distance of ATM network. I would like to know if it can be implemented on a very wide campus network as the backbone. If ATM is used in a MAN network backbone, what type of connections are used between the differrent regions in the MAN? Is fiber used for connecting the different regions or is it a Frame Realy, ISDN type of connection? Thanks for any info. -- Oscar Rau [EMAIL PROTECTED] ___ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Bus Topology and Ethernet
I was reading about network topology and they say that an example of bus topology is Ethernet network. Wouldn't ethernet network be a ring topology due to hub/switch environment? Please correct me where I am wrong. Thank you in advance. Oscar Rau [EMAIL PROTECTED]
Re: ospf config [7:26034]
You have a lot of errors, here is a sample config: Router A: int eth0/0 ip address 192.168.30.1 255.255.255.0 ! router ospf 10 log-adjacency-changes network 192.168.0.0 0.0.255.255 area 0 Router B: int eth0/0 ip address 192.168.31.1 255.255.255.0 ! router ospf 10 log-adjacency-changes network 192.168.0.0 0.0.255.255 area 0 ! -- Oscar - Original Message - From: "khramov" To: Sent: Monday, November 12, 2001 7:50 PM Subject: ospf config [7:26034] > I am sorry for a stupid question. > I am trying to set up an OSPF network. So far I am doing from a router > to a router . > Here is what I have: > > Router A: > int e0/0 > ip address 192.168.30.0 255.255.255.0 ip ospf network poin-to-point > network ospf 10 network 192.168.0.0 0.0.255.255.0.0 area 0 > > Router B: > int e0/0 > ip address 192.168.31.0 255.255.255.0 ip ospf network point-to-point > network ospf 10 network 192.168.0.0 0.0.255.255 area 0 > > When I do sh dcp neigh I can see the router but I can not ping it. > Would you please tell me what I am doing wrong. > > Thanks in advance, > > [GroupStudy.com removed an attachment of type text/x-vcard which had a name > of khramov.vcf] Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=26051&t=26034 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: ospf config [7:26034]
:-) I said: "here is a sample config:" Modify to your needs, and try it first before. I said the wildcard mask is: 0.0.255.255, is correct to the network 192.168.0.0 (/16) 192.168.0.0 0.0.255.255, and all the interfaces that belong to that network belongs to the OSPF process. Try with: #sh ip ospf interface You have to put some adicional commands, (like ip ospf cost, area 0 authentication, etc. if you want). Read first : www.cisco.com and search: OSPF Bye. -- Oscar - Original Message - From: "Angry Packet" To: Sent: Monday, November 12, 2001 9:32 PM Subject: Re: ospf config [7:26034] > Oscar, > You're fired too. This config won't work either. > > So this Cisco test question would be: If Oscar gave > you this config to put in your router, you would? > > A. Just trust him and paste it in. > > B. Change the IP addresses to be on the same IP > subnet. > > C. Change the OSPF wildcard mask to 0.0.0.255. > > D. Fire Oscar. > > E. B and D > > Your Friend, > Angry Packet > > ""Oscar Valdez"" wrote: > > > You have a lot of errors, here is a sample config: > > > > Router A: > > int eth0/0 > > ip address 192.168.30.1 255.255.255.0 > > ! > > router ospf 10 > > log-adjacency-changes > > network 192.168.0.0 0.0.255.255 area 0 > > > > Router B: > > int eth0/0 > > ip address 192.168.31.1 255.255.255.0 > > ! > > router ospf 10 > > log-adjacency-changes > > network 192.168.0.0 0.0.255.255 area 0 > > ! > > > > -- > > Oscar > > > > - Original Message - > > From: "khramov" > > To: > > Sent: Monday, November 12, 2001 7:50 PM > > Subject: ospf config [7:26034] > > > > > > > I am sorry for a stupid question. > > > I am trying to set up an OSPF network. So far I > am doing from a router > > > to a router . > > > Here is what I have: > > > > > > Router A: > > > int e0/0 > > > ip address 192.168.30.0 255.255.255.0 ip ospf > network poin-to-point > > > network ospf 10 network 192.168.0.0 > 0.0.255.255.0.0 area 0 > > > > > > Router B: > > > int e0/0 > > > ip address 192.168.31.0 255.255.255.0 ip ospf > network point-to-point > > > network ospf 10 network 192.168.0.0 0.0.255.255 > area 0 > > > > > > When I do sh dcp neigh I can see the router but I > can not ping it. > > > Would you please tell me what I am doing wrong. > > > > > > Thanks in advance, > > > > > > [GroupStudy.com removed an attachment of type > text/x-vcard which had a > > name > > > of khramov.vcf] > [EMAIL PROTECTED] > > > > __ > Do You Yahoo!? > Find a job, post your resume. > http://careers.yahoo.com Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=26056&t=26034 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]