Routers :: Older 24 Port Cabletron Switch Configuration
Feb 17, 2011
I have an old Cabletron switch i have used for about 8-10 years, it has some vlans set up and i was wondering how i can "talk" to the switch and set it up. I am using this switch in my home on my vast network. is it possible to "reset to factory" or anything without a serial cable? I would like to use snmp of telnet to configure but i dont think it has an ip set up and it is such an old switch I cannot find any info from entrasys.
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Aug 8, 2011
how to 24 port networking switch configuration
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Jul 27, 2011
We are using 3750 switches as WAN router facing the WAN cloud. To configure QoS for its WAN port, should I use 'auto qos voip trust" or treat it like a router port and configure class-maps, policy-maps, and attact service-policy input or output?
Because switches have different queuing and dropping methods than routers, auto qos can generate QoS configs that are considered most appropriate for 3750 switches. However the switch functions as WAN router. Maybe it should be configured using router type of QoS with policy-maps and service-policy?
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Jul 23, 2012
I have found some samples on the FlexConnect setup for the controller side. However none of the documents mentioned how the switch port should be configured that goes to the controller and AP.
At this moment I have a Cisco 5508 configured in CAPWAP mode with 20 APs. I would like to use same controller for connecting one of the remote sites with 2 APs in FlexConnect mode. Current the 5508 to switch port is configured as 802.1Q port. All CAPWAP AP ports are configured as "switchport access vlan X" where X=capwap VLAN. Need to know how the switch port should be set for the remote site where flexconnect APs connect.
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Mar 6, 2013
I am in the process of swapping out an older 24 port Cisco catalyst 3525 POE switch running IOS 12.0(5) with a 48 port POE catalyst 3560 running ios 12.2(50)The trunk port on the older switch (that currently works) is in port Gig0/1 with as basic of a trunk config as you might find.
In the newer switch I have a 1000BaseSX SFP min gbic with a SC-LC fiber cable attached (8.3/125 – 15 meter.When I make the connections, I get no lights… no connection.
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May 12, 2013
I have a laptop with a single physical NIC which I have used the advanced management tools to create two virtual NICs (say vlan 10 and vlan 20) and both are on the same subnet (say 192.168.4.x). One NIC is for normal TCP/IP traffic and one is for broadcast/multicast traffic (I have some custom software that requires this to be the case and works fine on an older laptops with built-in physical NIC and PCMCIA XIRCOM NIC). The dual NIC laptop communicates with a dual NIC server via a Cisco 2811 router (which has a 16 port switch module at the back) and has vlans set up so.
What I want is for the single NIC laptop (with two virtual NICs) to be able to also communicate with the server. Basically, one NIC is for normal traffic and one is for multicast/broadcast traffic. All three machines need to be able to talk to each other using the NIC for normal traffic and both laptops must be able to receive broadcasts from the server. What is the best way to configure the router to handle the trunking/tagging? Most configuration documentation I read has two complete subnets for the two virtual NICs. Note that all three machines use static IPs and are part of a workgroup so no DNS and domain servers etc.
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Oct 29, 2011
I read quite a few documents on configuring SPAN on a cisco switch but none of them mention any limitations or any kind of CPU load it can have on a switch. I need to configure this on one of our switches and would like to know if there are any implications related to SPAN.
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Dec 12, 2012
We have a 24 port and 48 port 3560 E switches with identical IOS the 48 port switch supports private vlan while 24 port switch doesnt
configure private vlans on 24 ports 3560e and is it best practise to configure private vlan on this platform(3560)?
IOS version : C3560E Software (C3560E-UNIVERSALK9-M), Version 12.2(55)SE3, RELEASE SOFTWARE (fc1)
flash:/c3560e-universalk9-mz.122-55.SE3/c3560e-universalk9-mz.122-55.SE3.bin
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May 29, 2013
Since Avaya phones do not run CDP, how does the phone know which DHCP pool to pull from to get its IP address if the PC is connected to the phone.
Let's say I have a interface config like this
interface gigabitethernet1/0/1
cisco3750(config-if)#switchport mode trunk
cisco3750(config-if)#switchport access vlan 126
[code]....
And two DHCP scopes configured on the switch. What keeps the phone from pulling from the wrong scope?
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Mar 5, 2013
I am trying to configure a 3500XL switch (and I know its old). I get to the int fa 0/1 line and thats where it all stops working.
switch#(config-if)#switch port mode access
switch#copy run start
or
switch#(config-if)#switch port mode access
switch#sh run int fa 0/1
It will show the configuration for port fa 0/1 as if I hadn't entered the "switch port mode access" command. Or any other command for that matter. Why the switch is not holding configuration and seemingly loses it as soon as you exit out of each interface?
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May 21, 2013
I have some legacy (read: old) audio equipment that used leased lines to run, no way to convert them to IP internally. They have x.21 and v.35 interfaces on them.
Is there a way i could use something like an old 2600 series router and run it in reverse, like just using them as a media converter to shove the v.35 over into IP land?
I'm not interested in buying newest latest greatest (these audio codecs are upwards of $5k a pop to replace, x2 for a complete link), i'm just curious if i can turn a WIC-1T into the interface for these boxes and do a direct route to another 2600 on the other end with the same configuration.
This would essentially turn the WIC portion into the local side and the ethernet into the WAN side.
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Mar 4, 2012
We have several RV042 routers with older firmware version 1.3.12.19-tm.We have purchased new RV042 routers as hot spare replacement that's coming with firmware version 4.1 installed.
We have a VPN tunnels between multiple sites using the older firmware version.
My question is: Will a RV042 with firmware version 4.1 connect to a RV042 with firmware version 1.3.12.19-tm and vice versa?
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Dec 16, 2012
I am trying to configure an older Belkin Router (Model Number 5FD8230-4) as an Access Point so that I can boost the range of my network. The problem I have is in configuring the old router. It won't allow me to change any settings, or at least the changes don't stick, even after clicking "apply changes". I tried creating an administrative password but I am not even sure that this is working. I am using a Macbook, so perhaps this is an Apple compatibility issue. I have tried resetting the router and reverting to Factory default settings, but no joy.
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Dec 10, 2012
I have an iMac running 10.4.11. I would like be able to print through the router. I now have my PC laptops doing so. What voodoo do I have to do to make the iMac work with it?
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Dec 13, 2012
We have a CISCO RV042. We are about to begin a VIOP service with Vocalocity who state:
The RV042 is a wired router that requires no configuration adjustments for the firmware versions we tested. Version 1 and 2 are compatible. Version 3 is NOT. Firmware Reviewed: 1.3.12.6 | 1.3.12.19
Our router's firmware is : 1.3.8.2 (Feb 12 2007 10:43:08)
Can we upgrade to 1.3.12.6 or 1.3.12.19? What is meant by Version 1, 2 and 3?
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Jul 11, 2012
I'm putting together a lab to start on my CCNA and I've got two 3640s and two 2620s. I want to upgrade all of the units before I start on the CCNA and I'm having trouble working out what the final rommon version is for each of the routers.My 3640's are on version "Version 11.1(20)AA2". Is this the final release ?
One of my 2620's is on "Version 12.2(10r)1" and the other is on "Version 12.2(6r)". Is "10r" the final release for the 2620 ?I've also seen a few sites mention that either version "8r" or "3r" of the 2620 rommon adds support for 32MB flash SIMMs. Is that correct ?Is there a document that describes the differences between the different releases ?
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Jan 5, 2012
how to configure a server with net gear switch . I want to restrict access for a few users and use the netgear switch for file sharing between the small network. its got auto configuration .
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Nov 20, 2011
I have recently replaced an RV082 router that had failed with a new RV082. The previous router was set up to forward port 443 ssl requests to a server in the network. Worked flawlessly for years and that is why I replaced it with same model. The new router is also set up to forward port 443 ssl requests to the new server. The issue is that the router responds with its own certificate and does not forward the request to the server.
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Apr 11, 2012
I have an RV082 V2 with 2.0.2.01-tm and I am having trouble with getting my Sprint Airvana to connect properly to the mobile service. I've read on the Sprint forums indicate putting the Airvana in the DMZ generally allows the device to work properly; however, none have the RV series routers for tips on how to do this appropriately. This device used to work fine behind the RV082, but I reset it one day and it no longer works.
The Airvana is a femtocell/router device with a WAN port and 3 LAN ports. If I connect the Airvana directly to my cable modem, I get the appropriate connection and can then make calls through the device instead of through the Sprint connection; I live in a basement unit and get crappy signal without the device. This proves the device works and that my ISP is not blocking the ports. Sprint indicates the device uses UDP 53, 67, 68, 500 and 4500. Their support sucks and they insist I put the Airvana before my router. I absolutely do not want to use the Airvana as the router. There are almost no configuration options in the router interface and it needs to be rebooted somewhat regularly, which would drop internet access throughout the house for 10-15 minutes while it reboots and finally establishes an internet connection.
As soon as put the Airvana behind the RV082, I no longer get the appropriate connection. I can, however, plug my computer into one of the LAN ports on the Airvana and connect to the internet in general. I have the router assign a static IP to the Airvana, and tried forwarding the required UDP ports to the IP. This did not fix the problem.
I can certainly troubleshoot the port forwarding issues, but I would also like to look into putting the device into the DMZ, if possible. I've not worked much in this area, so I am unsure how to appropriately configure the router to allow this to happen. Is it possible to have the Airvana in the router DMZ without having a public IP for the device itself?
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Nov 23, 2012
We have 12 PC connected through a Switch(D-Link 10/100 mbps) with Configtured with Manual IP Address. the IP address range is 192.168.1.1 subnet mask 255.255.0.0 default gateway 192.168.1.1.Internet Cable Connected from Modem to Switch Directly & all the computer access internet by filling DNS with 202.56.224.153 other 59.144.127.17, We fill this DNS only where we want Internet access allowed by limiting that pc with Limited User access. How to configure Belkin Surf N300 Router with this network.
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Sep 27, 2011
I have a Modem/Router combo and am trying to plug an 8 port switch directly into it and then have wireless AP's and other hardwired devices plugged into the switch. Normally, when I plug a switch into a router it requires no set up. This one on the other hand, will not work.
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Mar 19, 2011
ISP Cable in Smart box. 4 cat 5 cables from various rooms in house to feed cable ready TV's and one from my computer room. Can I connect all cat 5's to switch that is connected to cable modem located in Smart box and connect Wireless Router to cat 5 in the computer room and expect router to work properly?
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Feb 16, 2013
There are 5 VLAN's and all can communicate through all the different subnets, but VLAN5 can not communicate to the RVS 4000.
VLAN Smart Port set to switch and router - this is not working What Smart Port configuration should be set up to talk to the LAN port on a RVS4000?
VPN is set up and connected, but when trying to connect to the client can not connect to remote networks.
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Apr 26, 2013
How do I setup my Belkin F7D1301 with a 16 port 10/100 switch so I can use the wireless on the Belkin and have the 16 port switch for my hard wires?
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Jan 15, 2013
We just installed a hosted VOIP system using Cisco 7900 series IP phones. We are having a strange issue with a few computers where they pull DHCP information from our VOIP provider's DHCP server on the Internet and not our LAN DHCP server.
The switchports areconfigured as: switchport mode access
My rationale behind this is that the phones would use CDP to get their VLAN info from the providers Cisco router and the PCs would just ride on the default VLAN. But this is not the case. Computers randomly keep getting DHCP info from the provider's router. Do I have to use voice vlan x and make the switchports trunks?
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Nov 20, 2009
I have a Catalyst 4006 switch in production and a spare switch of same model. I have to quickly copy the configuration from production switch to spare switch (both L2 and L3 configurations) How do I do that?
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Jan 16, 2011
is it possible to assign a loopback address to a typical switch port on a 2950 switch? I want to be able to have some devices connected to a switch to test access lists and VLANs.
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May 8, 2012
On the supervisor card of a cisco 6500 series, according to the following link, [URL] it only has 2 uplink ports on the card. Would I be correct in assuming that I only have those to ports that I can configure IP addresses on?
The cisco that is being devlivere is coming with a 48 port switch and 24 port fibre switch. Could I change any of those ports into a router port and configure IP addresses on those?
The supervisor card is a ws-sup-720-3b the 48 port switch is a ws-x6748-ge-tx the 24 port fibre switch is ws-x6724-sfp
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Jun 5, 2013
I'm fairly new to Cisco products am in the process of developing my network knowledge on a deeper level. I have a 3825 with a HWIC-4ESW and I'm struggling to fully understand how the two "see" each other. I've setup a V LAN with a layer 3 address on the HWIC and added the switch ports to it. This seemed to allow devices connected to the switch ports to talk to the built-in router ports. I thought this was all making sense until i applied an access-list to the router port. It's a simple ACL i'm just using for testing and the only thing it does is blocks telnet from anywhere. I know the ACL is setup properly because if I connect a device directly to the router port i cannot telnet to the port. However, if i connect a device to one of the switch ports, i am able to telnet to the router port successfully.
It seems that I'm missing something with how traffic flows from the switch port to the router ports and how the two "see" each other.
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Dec 28, 2008
what is the use of no switch port command in L3 switch?
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Feb 26, 2012
I was looking for a way to connect an AUX port from a 1700 router to a 6500 switch module console port, to see the output of the Switch's on the 1700 router, in case there is a network downtime, I could see what's going on in the switch, what cable should I use ? Also, is there is any kind of documentation for this type of config what have I seen is very few info.
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Apr 22, 2013
how to: port forwarding to 2 different destinations based on incoming WAN port
The default HTTP service works fine: TCP80/80-> 192.168.0.55
I have a couple of IP security camera's I'd like to be able to access remotely that also listen on port 80. I tried TCP & UDP 8009/8009-> 192.168.0.9 without any luck. Not sure how to handle the port redirects on the RV042G? Seems simple and was on the Symantec, could be user training :-)
I was able to do port redirect with the Symantec Firewall I'm replacing.
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Oct 11, 2012
Is it possible to create a service which will forward public port 9010 to an internal IP address with port 23 ?
First of all, I do not like to open the public Telnet port to the inside so I would use another public port and second my ISP does not allow some public ports beneath port 80
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