Protocols / Routing - Replace The Cisco Pix?
May 14, 2011
I have a small network (10 computers) with 1 SBS 2003 domain controller.There are 3 cables plugged into the Cisco PIX...
>One ethernet cable to our switch
>One console cable plugged into our server
>And of course the power cable
I need to , but I noticed something I've never seen before.... When I unplug the CONSOLE cable our Internet shuts off.I would expect that of the ethernet cable, but not of a console cable.I'm an experienced network tech, but not a Cisco guy. Am I missing something? Is this type setup typical of a Pix?
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Mar 26, 2013
We have 2 x Nortel 8600s (now Avaya) that are 6-7 years old. They have 96 1GB ports on each and we only use about 30 and the CPU average is around 2% and memory is 40% (256mb). Going into 8600s we have 8 x Nortel 5520 48port gig switches.
We want to replace the 8600s at some point and I wondered roughly what Cisco device would possible suit us. We are not after the best high end switches that we will never utilise, but ones that will aid us grow for the next 5 years.
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Nov 16, 2011
I have problem with the standby supervisor in 6500 vss and need to replace the supervisor. I have follow how-to on the cisco web site url...
But when i boot the new standby sup720 it comes active and both supervisors is rebooting. I wonder if i can do the replacement without rebooting both active and standy supervisor.
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Feb 26, 2013
We purchased a cisco 1921 router to replace a software firwall not long ago. The router was sold as a firewall with the suggestion that an ASA would be unnecessary.Unfortunately a router does not replace/do the jobs a firewall does, so I looked online and noticed that Cisco do offer firweall security features in one of their IOS.How do I tell if this is implemented on my router?If not, does my IOS support this, or do I need to buy an extension/another version of the IOS?,The version of the IOS I have is: c1900-universalk9-mz.SPA.151-4.M4.bin.
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Jan 4, 2013
I am replacing our 2 3750s which are in a stack and are running in VTP server mode for the domain with 2 new 3750Gs. There are 4 trunks to other switches which bare in client mode and 2 trunks to 2 ASAs which are in active/standby mode (one in each switch). Anyway what will happen to the VTP clients when I replace the stack as the revision number will be 1 on the server? The clients will ignore any VTP updates from the server ?
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Oct 21, 2012
I have been tasked to replace a failed sup on a 6500 Sup32 running IOS. Now, the primary sup doesnt have a compact flash. I don't have any CF on me. The replacement sup i received also doesnt have a CF.From the cisco website it says that the moment I insert the secondary sup into the chassis. it will automatically download the IOS and boot details from the primary to the secondary sup.
[code]....
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Oct 18, 2012
I urgently want to replace a faulty line card WS-X6748-SFP with a new one. The switch concern is a 5609-V-E operating in Virtual Switching System mode.How long do you suggest the down time will be?
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Apr 17, 2013
I want to replace an existing 3560 Switch with another switch of the same exact model and IOS. However, this switch that needs to be replaced is the VTP Server of my LAN at this location. When I replace the switch I will just use the same exact running config but I'm concerned about the vlan.dat file. Do I need to copy that file over to the new replacement switch and if so, what is the best way to do that?
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Dec 30, 2011
I have a 2651 that has an adsl1-wic that I am using as my DSL router. I recently acquired a 2801 that I want to replace the 2651 with. I configured the 2801 the same way as the 2651 but on a reload I get the statement that says
Setup: New interface NVIO placed in shutdown state
When I do a show interface all of the interfaces show up except the NVIO and I don't have any connectivity to the outside world. I am using Nat since I have a /29 and using nat pool overload. What am I missing? I am running IPVOICEK9-M 12.4.25c on the 2651 and adventerprise 12.4.24.T on the 2801
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May 27, 2012
We currently have a WS-C6506 chassis with a line-card WS-X6408A-GBIC. Currently we need to replace the chassis by a Ws-6504-E and also the line-card. My question is: What must buy line-card and meets the same specifications of WS-X6408A-GBIC?.
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Feb 27, 2013
I have two like switches in a stack (WS-C3750G-48PS 15.0(1)SE2 C3750-IPBASEK9-M). Switch#1 is the master and is the one that needs to be replaced. Can I force Switch #2 to be the master, then power down switch#1, remove switch#1, insert the replacement, and then power on the newly added switch without shutting down or rebooting switch#2?
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Jun 4, 2012
I have a stack of 2960S (c2960s-universalk9-mz.122-55.SE2.bin) and the master has failed (used to have a priority of 14). The second switch has become master (priority 1) as can be seen below: [code]
If I connect a new blank 2960S (same IOS) through the stack ports, will the master sync its config to the new one without causing problems?As I understand the new blank switch will also have a priority of 1 and will by default be numbered as 1. So if the config is correctly synced and I later on want to make switch 1 the master, I need to set the priority: [code]
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Apr 22, 2012
I have a question. I have a 6500 with two supervosrs and they both have CATOS. One of them failed and I need to replace. As long as the hardware is the same does the CATOS have to be indentical or can this be different.
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May 15, 2012
we have Supervisor Engine 720 10GE (VS-S720-10G) in slot 5 on Catalyst 6509-E. Slot 6 is free. We need to replace VS-S720-10G. Is it possible the following scenario
1. we will insert new VS-S720-10G into the slot 6
2. then we will remove the faulty VS-S720-10G from the slot 5
Will everything work without interuptions. Is any document where I can find step-by-step procedure how to replace VS-S720-10G ?
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Feb 17, 2012
Any experience interoperating Nexus 5548 or 5596 with Catalyst 3750 or 4507R?
We're looking into Nexus to replace these switches in the long run.
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Nov 30, 2012
I need to replace a faulty fan unit on the catos WS-6509 switch. this Catos switch does not support show inventory so any other catos commands which will show me this part id?
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Aug 20, 2011
why the WAN protocols like Frame-relay, HDLC and PPP are called Layer2 protocols?What is the address scheme they use?
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Apr 5, 2011
I have got a PC at work (Windows XP Pro SP3) that is on two networks with the IPs 10.20.30.167, subnet 255.255.255.0 (internet enabled) and 10.0.0.20, subnet 255.255.255.0 (no internet). On the 10.0.0.X network there is a gateway with the IP 10.0.0.200 allowing access to another network; 192.168.60.X, subnet 255.255.255.0 (no internet). I have added the route on my work PC to access the 192.168.60.X network via this gateway and I can access all PCs on all three networks from this PC.Now, I am using LogMeIn Hamachi so that I can access the networks at work from home. The PC at work is the 'gateway' PC on the Hamachi network. When installing Hamachi it created a new network connection and bridged this connection with my 10.20.30.167 network adapter to allow access to the 10.20.30.X network from an external PC when connected using the Hamachi VPN connection. I have manually configured my Hamachi connection on my PC at home to the IP 10.20.30.169, subnet 255.255.255.0, with the default gateway set to 10.20.30.167. I can ping all computers on the 10.20.30.X network from my PC at home.
I then added a route on my PC at home for 10.0.0.X to go via 10.20.30.167 (the 'gateway' on the Hamachi network). I also enabled IP forwarding on the 'gateway' PC (my PC at work). I can not ping any PC on the 10.0.0.X network from my PC at home apart from 10.0.0.20 (the other NIC in the Hamachi gateway PC) and 10.0.0.30 (another PC on the 10.20.30.X network that is also on the 10.0.0.X network).Now, with IP forwarding enabled on the Hamachi gateway PC I would assume after adding the route on my PC at home for 10.0.0.X traffic to go via 10.20.30.167 that I would be able to ping all PCs on the 10.0.0.X network...I also tried adding a route on my home PC to send all traffic for the 192.168.60.X network via 10.20.30.167 which has a route via 10.0.0.200 to the 192.168.60.X network, but this also did not work.I then tried adding the 10.0.0.20 network adapter into the network bridge that the Hamachi connection made, also keeping both IPs (10.20.30.167 and 10.0.0.20) on this network bridge by adding them into the 'IP Settings' in the 'Advanced TCI/IP Settings'. I also added the 10.0.0.200 gateway for good measure. I still cannot ping any PC on the 10.0.0.X or 192.168.60.X networks from my PC at home.
I have also added the route to the 10.20.30.X network on a PC on the 10.0.0.X network to go via 10.0.0.20 and tried pinging a PC on the 10.20.30.X network but this also has not worked. Also setting the default gateway on a PC on the 10.0.0.X network to 10.0.0.20 does not allow this...Surely bridging the networks 10.20.30.167 and 10.0.0.20 on my work PC would allow another PC on the 10.0.0.X network to access the 10.20.30.X network after adding the route or setting 10.0.0.20 as the default gateway?
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Sep 2, 2012
I have two computers. Computer A is connected to the internet through GSM network. Computer A also have NIC adapter which is connected to local network with IP 192.168.33.10/24.
Computer B in connected to internet with DSL connection.
On both machines I use TeamViewer to make VPN secure tunnel between this two computers. Computer A gets IP:7.200.100.2 Computer B gets IP:7.200.100.3
How can I access from computer B to specific device with IP 192.168.33.250 which is on local network of computer A?
Is it possible to route traffic from VPN to other local network, or it is some possibility to use port forwarding from VPN connection to specific IP address on the local network to specific port number?
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Apr 5, 2013
We have a PPPoE DSL link with a dedicated IP providing by a small ISP(ISP A) in Canada. We are having trouble reaching a small group of IPs in the US to be able to access some client resources.We have eliminated all possible local issues by removing the firewall and making a direct connection to the ISP. We have also had numerous tests prove successful when we use other local ISPs.
Trace routes show that the packets get dropped a few hops from the destination on a US ISP(ISP B).The routes even appear to be very similar to the other ISPs we tested. We escalated to ISP A and they say that everything is working properly on their end and the problem is with ISP B. They claim they "have no partnership with ISP B and therefore cannot create a ticket to get it resolved". I tried calling ISP B but I get nowhere because I am not a customer of theirs.
My solution is to give ISP A the boot, but management has denied that request because of the amount of effort required to switch over. How I can escalate this? Is there anyway to go over and above the ISPs?
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Dec 8, 2012
encapsulation of routing protocols. Where exactly in the OSI, or TCP/IP for that matter, model does the data of the routing protocol fit into ? Is it encapsulated inside the transport layer segment payload ? So far from the I've gathered, that's where it should fit.
#####@@@@$$$$routing/procotocol/and/data/etc#####
#-Data link header and trailer
@-Network layer header
$-Transport layer header.
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Sep 5, 2011
I have an skill exercise with 4 Routing Protocols Default Route,Static Route,Eigrp, Ospf. I have about 6-7 routers, and each of them has an routing protocol. But the problem is the Main router INTERNET, which it has to use Static in a direction, and default in the opposite path. This is the scheme of routers and how the r.protocol have to be configured.
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Feb 26, 2011
The websites I usually go on now have some type of error page when I go to them. So far it has happened to 2 of them though they might not be related.
Here's what the page says:
Site 1- Valenth
Quote:
Warning: mysql_connect() [ function.mysql-connect]: [2002] Connection timed out (trying to connect via tcp://ec2-184-73-84-14.compute-1.amazonaws.com:3306) in /var/www/valenth.com/include/database.class.php on line 25
[Code]....
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Sep 4, 2012
i've had this internet problem that has been going on with a wireless laptop i've had since april. it only happens on this computer, and i've tried many solutions. occasionally, i will try and go to pages on google chrome and an error pops up that says "this webpage is not available." when i play games that are online, they get disconnected as well. i've added google chrome and my other browsers to the firewall list and i've also changed the DNS server. when i use the troubleshooter it says something like "router, or modem is not connected to the internet. i've even downloaded the "fix it" program and it detected no problems
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Jun 1, 2011
I can't get RDP to work on a specific computer.I've already set it up on the router, know the IP address, and I can get it to work great with the server, but the workstation we want it to go to won't accept it.I checked, it's set to allow RDP, the firewall exception was setup, also turned off the firewall completely, removed the antivirus software, checked TCP/IP filtering on the lan connection, even changed the listening port and still nothing.
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Jan 4, 2012
Problem with a conflicting IP address. Basically on a normal running day my wireless is switched on and connected perfect to my internet, however if i want to download any large files i plug my Ethernet to my laptop and disable the wireless from my laptop, instantly then the LAN connection kicks in and im on the internet again as i find download speeds are faster through a LAN. However today my wireless is fine but the second i switch to LAN the ! symbol appears and a message says their is an IP conflict.
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Aug 17, 2011
I've been timing out via any FTP client, including FileZilla, FireFTP, and a few others. I even downloaded a few just to see if I could connect with other clients.I contacted my host who can't recreate the issue on their end. I contacted my ISP who instructed me to use my command prompt in order to connect to their server, and that of mozilla. Both times I was able to connect via the command prompt.I don't understand what's going on.If I can connect to the sample sites that my ISP gave me, why can't I connect using an FTP client any longer. What possible change could have been made to have caused that disconnection that happened a few nights ago, and is now causing the timeouts I continue to receive?
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Apr 12, 2011
How can i actually change my ip...tryed those cmd things but nothing works. Ineed to change ip somehow.
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Jul 14, 2011
We know that every node in the network uses its routing table to forward the packets towards their destination. I have a doubt that which data structure used to implement these routing protocols.
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Dec 26, 2011
I just received a blu ray player for Xmas that has an Ethernet connection for streaming Netflix,YouTube, etc. my problem is my router is upstairs and the blu ray is downstairs. I really don't want to run an Ethernet cable from the blu ray to the router. Can I use another router on the same network and have it close to the blu ray?,I have a netgear router just laying around and the main router is a Verizon fios router.
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Sep 2, 2011
I live outside the US but want to listen to US radio stations online and, naturally, a lot of them are blocked because I'm not in the US. I've tried a few places and applications, like UltraSurf, FoxyProxy, to get around this but they either don't work or are so convoluted as to be impossible to use. What else is out there that actually works and isn't pain to use?
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Jun 1, 2011
I have a need to use two routers (Each with different ISP) on my (LAN) office network.I presently DO NOT want to go the (Two ISP's on one router, or Load Balancing router). I Just simply want two routers with two separate ISP's.I will assign the managers workstations to the faster ISP, and other Workstation to the slower connection.And it seems to work, and all resources seem to be available on the LAN, regardless of which (Gateway) Router(1 or 2) I point the workstation to.I assume because all devices are on the same LAN 192.168.0.XXX Is this a proper way to allocate and use two routers on the same LAN?
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Oct 13, 2012
How to get the packet format of CFM used in the provider backbone domain having ethertype (0x88e7) & Itag fields in it. I think wireshark doesnt have this code implemented yet.
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