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- About fsebera
07-31-2019
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Member since
04-09-2002
754
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83
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7
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Created by
fsebera
in Other Network Architecture Subjects
in Other Network Architecture Subjects
03-27-2003
02:11 PM
03-27-2003
02:11 PM
Routing TCP/IP Volume II states (page 126) A client router in a route reflection cluster CAN peer with external neighbors . . . on page 130 Although clients CANNOT peer with routers outside of their own cluster . . . Could someone clear up this story (they can or they cannot)???? Thanks
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Created by
fsebera
in Other Network Architecture Subjects
in Other Network Architecture Subjects
03-25-2003
11:11 AM
03-25-2003
11:11 AM
Thanks, I need to nail down some BGP items to build upon!!
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Created by
fsebera
in Other Network Architecture Subjects
in Other Network Architecture Subjects
03-25-2003
11:04 AM
03-25-2003
11:04 AM
When I want to setup BGP regular expressions I read the command is "IP AS-PATH ACCESS-LIST". Is this the only command/verb syntax under BGP that will allow regular expressions? Thanks
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Created by
fsebera
in Other Network Architecture Subjects
in Other Network Architecture Subjects
06-20-2002
07:26 AM
06-20-2002
07:26 AM
Thanks for the responces. And I do agree with the information provided. Little update - I support Win 95, 98, NT, 2000, Sun Solaris Unix, Red Hat versions (changing all the time), Apple Mac's running TCP/IP and various other OSes. MOST users will not allow the Network Engineers to change the settings on their systems (MANY reasons why). Anyway, I have hard coded the switch ports to 10Mbps / Half duplex. The link back to the back bone is only 100 Full. I have 125 users on these switches so leaving it to auto will only clog the line back to the backbone. (Changes are on the way!!!) It turns out Apple WILL NOT auto itself to 10/half - It MUST be 10 Full or nothing. Thanks again. Frank
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06-18-2002
09:41 AM
Sorry I am not able to answer your question exactly. I am working with token ring and have discovered Sniffer Pro supports token ring as long as you have a token ring NIC. This may provide you some answers, hopefully. Frank
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Created by
fsebera
in Other Network Architecture Subjects
in Other Network Architecture Subjects
06-18-2002
09:37 AM
06-18-2002
09:37 AM
I have many users connected to my Cisco switches, that refuse to hard set their workstation to the proper settings. If I set the switch port to 10/half, they will leave their workstation to auto and wil not allow anyone to change these setting. I am forced to leave the switch port to auto as well, as leaving one end on auto just causes too many issues. Is there a way to display the errors caused by this mismatch? (without adding a sniffer to the mix) Is there a way to determine how many times the Cisco switch had to re-negotiate the settings when left to auto? Exactly what events require the auto-negotiation feature to re-negotiate? How many times a day could this auto-negoitation feature have to re-negoitiate? Thanks to ANYONE who can provide assistance.
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06-04-2002
10:22 AM
I would like to perform an l2trace from one switch vlan 2 across several switches (msfc installed), different VTP management domains to a workstation in vlan12. I get the message vlan must be specified. Has anyone tried this command l2trace? I feel I may be using the command incorrectly as I am crossing several routers BUT not sure - I am looking for conformation!!! . . . and help!! thanks Frank
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Created by
fsebera
in Other Network Architecture Subjects
in Other Network Architecture Subjects
06-02-2002
09:07 AM
06-02-2002
09:07 AM
OK let me clarify a little more - It is not just the 6 IIS servers broadcasts killing the bandwidth, it's the amount of devices on the network. I have a 1000+ "subnet mask of /22" devices on the same 100Mbps vlan, running DHCP, IIS servers, multicast ver 1 and several other items. Most users are 10Mbps but a good number of workstations and all servers are set to 100/Full all on several 2924 switches connected together in not the most user friendly way. I just wanted to lower the amount of traffic to and from the servers as the first part of lowering the total amount of broadcast on the same vlan. I do agree, 6 IIS server by themseleves will not down the network but start adding many other variables and it's anybodys guess. I do thank you for the responces!! My main question way about Private Vlans. Frank
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Created by
fsebera
in Wireless Security and Network Management
in Wireless Security and Network Management
05-30-2002
06:20 PM
05-30-2002
06:20 PM
I have setup my routers to allow only SSH (not telnet) access. This is my setup ip ssh time-out 120 ip ssh authentication-retries 3 ! ! ! line vty 0 4 login authentication LETmeIN transport preferred ssh transport input ssh I am only able to SSH to any router, but once I login to the first router, I am then able to telnet (no SSH) to all other routers. Am I really using SSH protocol from the 1st router to the other routers OR did I misconfigure something? Please help!!! Tks
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Created by
fsebera
in Other Network Architecture Subjects
in Other Network Architecture Subjects
05-30-2002
06:14 PM
05-30-2002
06:14 PM
I have 6 Microsoft IIS servers with 2 NIC's in each server. The two NIC's are for redundancy. The active NIC broadcast a layer 2 broadcast every 2 seconds so the inactive NIC will see the active NIC is operational. Since this broadcast traffic is killing my network, I would like to implement private vlans for each server. Each IIS server's broadcast will be isolated from each other and from the users too. 1st - Is this the correct use of private vlans? 2nd - will a Cisco catalyst 2924 switch support private vlans? 3rd - If not, which switch model should I use? TKs for looking
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Labels:
05-21-2002
07:14 AM
From reading this document, it appears I could also use PVLANs on a regular segment where I would want to protect a server or even one to several users on the same vlan. It looks like each PVLAN is it's own broadcast domain within a vlan and protected from ALL other users on that very same vlan. Thanks
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05-21-2002
05:15 AM
Anyone using Cisco's "Private Vlan" feature? Looking for more details? Why would you use Private vlans vs regular vlans? What benefits? thanks again!!
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Created by
fsebera
in Other Network Architecture Subjects
in Other Network Architecture Subjects
05-19-2002
06:35 AM
05-19-2002
06:35 AM
We currently have 2 sites seperated by about 4 miles. Currently the two sites are connected over ATM. The physical layer is single mode point-to-point fiber; I.E. the actual fiber run is direct from one site to another site. The current DB loss reported by the TDR is -27DB. Currently this is working very well. However, when we try to convert over to GigE the link will not come up. The Link LED will not turn green nor is there any connection. We have tested these and other modules and proved to be good. All equipment is Cisco 6500 and 4000, down to the Gbics SX / LH. We are using SM fiber end-to-end. Our team tends to think it's the DB loss. Any thoughts? Any URLs? Thanks.
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Created by
fsebera
in Other Network Architecture Subjects
in Other Network Architecture Subjects
05-15-2002
05:51 AM
05-15-2002
05:51 AM
Can someone explain the use of the loopback subnet mask. Cisco's documentation reports many different options and is not consistent. I.E Interface loopback 20 ip address 192.168.20.1 255.255.255.0 ---OR--- Interface loopback 20 ip address 192.168.20.1 255.255.255.252 ---OR--- Interface loopback 20 ip address 192.168.20.1 255.255.255.255 If the loopback interface is only used for management, (and by many different protocols for many different reasons but Not routing), should this always be /32? Is there a method to the madness? Is there a reason to have something other than a /32 on the loopback interface? Thanks again! Frank
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Created by
fsebera
in Other Network Architecture Subjects
in Other Network Architecture Subjects
05-13-2002
07:39 AM
05-13-2002
07:39 AM
I agree and you are 100% correct - but I had a Cisco document several weeks back that explained the USE of the Private range and the public range. There was something special and different (special situation) where you would use the Private AS vs. the Public AS. If only I knew where I put that URL. Thanks for the help!! Frank
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Created by
fsebera
in Other Network Architecture Subjects
05-27-2004
05-27-2004
Thanks for the troubleshooting docHere is the configuration on the Cisco
678DSL-678#sh runningWarnin...
Created by
fsebera
in Other Network Architecture Subjects
05-26-2004
05-26-2004
I have a Cisco 678 ADSL router provided by my ISP. The ISP has given me
login access to the local Ci...
05-21-2003
If you would like to disable the L3 function on the Cisco 3550, install
the SMI IOS code on the swit...
Created by
fsebera
in Other Network Architecture Subjects
05-20-2003
05-20-2003
I have Cisco 6500 switch-A trunked to Cisco 6500 switch-B, all vlans are
allowed to cross the trunk ...
Created by
fsebera
in Other Network Architecture Subjects
05-06-2003
05-06-2003
If I assign the IP address 1.0.0.1 subnet mask 192.0.0.0 to e0, what is
the next IP address in this ...
04-17-2003
Ok, I understand the trunking protocol issue -802.1q this is fine.
Industry standard!!It is not clea...
Created by
fsebera
in Other Network Architecture Subjects
04-17-2003
04-17-2003
Thanks for the assistance!The Cisco 6500 switch named "Inside-A" does
not have an MSFC, the firewall...
04-17-2003
Thanks for the reply.The Cisco 6500 switch named "Inside-A" does not
have an MSFC, the firewall is t...
04-16-2003
Currently, we have a Cisco PIX firewall model 525, IOS 6.0(2) Pentum III
600MHz with 128MB Ram with ...
Created by
fsebera
in Other Network Architecture Subjects
04-16-2003
04-16-2003
Currently, we have a Cisco PIX firewall model 525, IOS 6.0(2) Pentum III
600MHz with 128MB Ram with ...
Created by
fsebera
in Other Network Architecture Subjects
04-08-2003
04-08-2003
I receive the following message on my Cisco Catalyst 5505 switch.Sup III
with 4 port 100 MMF ports9 ...
Created by
fsebera
in Other Network Architecture Subjects
04-01-2003
04-01-2003
I periodically receive this error message (about once or twice a day)
and was wondering if anyone co...
Created by
fsebera
in Other Network Architecture Subjects
03-27-2003
03-27-2003
Routing TCP/IP Volume II states (page 126)A client router in a route
reflection cluster CAN peer wit...
Public Statistics
| Date Registered | 04-09-2002 12:46 PM |
| Date Last Visited | 07-31-2019 10:49 AM |
| Total Messages Posted | 754 |
| Total Helpful Votes Received | 83 |
Helpful Votes Given To
| User | Helpful Count |
|---|---|
| 5 | |
| 5 | |
| 10 | |
| 5 | |
| 5 |
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