Cisco Switches :: Possible To Stack 3Com 3cr17161-91 With Another Layer 3 Switch

Sep 25, 2012

I would like to ask if it is possibe to stack a 3Com 3cr17161-91 to a layer 3 Cisco Switch? The two will be stacked using the avaialble SFP modules.

View 4 Replies


ADVERTISEMENT

Cisco Switches :: Configure Port To Connect SG300 To 3com Unmanage Switch?

Apr 1, 2012

I have my network with severals SG300 switches.I have one of them like my core switch working in layer 3 mode. With 2 vlans and vlan interfaces to each vlan.Everything is working ok.But now i have to connect one 3com unmanage switch that have host from vlan 1 and 2. How should i connect this switch to my Cisco sg300 switch?

[code]...

View 2 Replies View Related

Cisco Switching/Routing :: Configure 3750 Stack As Core / 2960 As Access Layer Switches

Sep 29, 2012

I configure 3750 stack switch as core and 2960 stack switches as access layer switches.I connected my laptop to one of my core stack in VLAN 10 and I am pinging to one of my server in VLAN 1. What will be the minimum latency at the time of inter VALN routing

View 2 Replies View Related

Cisco Infrastructure :: 4503 - Connection To 3COM 4900 At Physical Layer

Oct 2, 2003

I have at the core a CISCO 4503 and need to connect various 3COM 3300/4400/4900 access switches thru fiber. The problem is that the Cisco core 4503 switch fails to recognize only the 4900 3com switches ie the link status shows down. The fiber multitude link is tested and OK.The modules on both the switches ie 1000baseSX are also tested and ok.

The Cisco switch has a 6port gb ic with 1000baseSX moules and the 3COM 4900 has a 4-port 1000baseSX module.

View 3 Replies View Related

Routers / Switches :: Setting Up A VLAN -GE-DSS-244 Layer 2 + Switch?

Mar 22, 2011

I am migrating an a group of workstations that run a fire system from one software to another. The current workstations run the following info:123.123.123.xxx 255.255.255.0The new workstations run:100.100.100.xxx 255.255.255.0There is a central switch location using a GE-DSG-244 Layer 2+ Managed switch. There are two remote location using GE-DS-82 Managed Switches.The two networks must remain isolated, yet use the same fiber communications. The central switch connects to the two location using MM Fiber. From my research I believe I need to use the 802.1q standard to allow port trunking between the two switches.

View 7 Replies View Related

Cisco Switches :: Replacing 3COM 4500 Switches With SG300-52?

Nov 21, 2011

I'm replacing 2 3COM 4500 Swithes with the SG300-52 Cisco switch. We have 3 VLANs, 10, 20, 100. The switch is set for Layer 3 and I have setup DHCP relay. what settings i should set on the Cisco for the following setups:
 
3COM Setup
#
interface GigabitEthernet1/0/1

[Code].....

View 2 Replies View Related

Cisco Switching/Routing :: Sg300 And SLM2024 VLAN As Layer 2 And Layer 3 Switches Connection

Mar 18, 2012

I want to setup VLAN with the switches SG300 and SLM2024. What is the suggestion to connect these 2 switches. We have the Juniper net screen.

View 1 Replies View Related

Cisco Switching/Routing :: What Are Options Available To Add Cat3560 G Switch To Stack Of 3750x Switches

Sep 8, 2012

What are the options avilable to add a cat3560 g switch  to a stack of 3750x switches.?is there a connector avilable ?or is it possible to trunk via fiber ? cat 3560 has 4 sfps and 224 10/100/1000 ports with poe. cat 3750 stack has a 10 gb up link . What are the possible options?

View 6 Replies View Related

Cisco :: Using 1240 AP With 3COM Switches

Feb 23, 2012

I have several autonomous 1240ag AP's that I need to enable a second ssid(Guest and VLAN2) for guest access and while I have configured the AP's according to the driections, I am not able to connect to the second ssid(Guest), but it is broadcasting. When I check the logs, I do not even see my laptop or any other device for that matter, trying to authenticate, what am I missing? I can see, connect and get an IP from the first ssid(Production and VLAN1), which is on the native VLAN and my 3COM 3C17203 switch port(14) is tagged for both VLAN's. Although I am sure that this would work better with a Catalyst switch, but it is not in my budget to replace all 4 of these, but I need this to work.

View 3 Replies View Related

Connecting Two 3com 2920-SFP Switches?

Jan 11, 2012

I'm adding a 2nd 3com 2920-SFP switch to our network, and was wondering how to connect them up in series(?) for more available user ports. They have 4 SFP ports, and wanted to know if this was how its done.

View 1 Replies View Related

Cisco Switches :: Fiber Connection Between 3Com 5500G EI And SG-300

May 30, 2012

We’ve just begun the transition from our old 3Com switches to new Cisco switches and we’ve encountered interoperability problems as we start the transition.Goal:  Extend 6 VLANs (each representing an IP subnet) via fiber from a port on the 3Com 5500G-EI to a port on the Cisco SG-300-52

We assign an IPV4 address to the Cisco SG-300-52.  We can successfully ping/web-manage at this address if we do a temporary copper jumper from a 3Com switch to the Cisco.  IP address is in the subnet assigned to VLAN7•2)      At the 3Com side, the fiber port is set as “hybrid” and is passing VLAN 1 untagged; VLANs 3-8 tagged•3)      At the Cisco side, the fiber port is set as “trunk” and is defined with VLAN 1 untagged and VLANs 3-8 tagged. 

If I try to change the management interface on the CISCO from VLAN 1 to VLAN 7 (as I would on the 3Com), I lose connectivity over the temporary copper connection•B)     

If I remove the temporary copper jumper from the Cisco (keeping the “working” management IP address) and create the fiber link between the 2 switches, I lose connectivity to the management IP , If I set the 3Com fiber port to “access” and make the fiber connection, I can ping the management interface – but of course, I can’t pass the other VLANs to untagged access ports on the Cisco – and it has the fun side benefit of messing with IP management settings on other 3Com switch stacks attached to the 5500G-EI.  However, it does demonstrate that we can get network traffic communicating over the fiber link between the 2 switches.

How I can proceed to a) have the management IP address in the IP subnet defined on VLAN 7 while passing the other VLANs to access ports on the Cisco?  BTW, I’m a networking neophyte (it’s a very small part of my job and I do it infrequently), so I prefer to use GUI management to CLI options, although I can perform CLI configuration if presented with the right commands.

View 1 Replies View Related

Cisco Switches :: SG300 Trunk With 3com 4800G?

Oct 25, 2012

Our company currently have a 3com 2816 connected to a 3com 4800G through a trunk.  The 4800G connects to the PBX and to the ip phones/computers. We are currently using vlan1 (192.168.100.n) for data and vlan 3 (192.168.101.n) for voice , Ip addresses are being issued by a DHCP server. Each user has an assigned IP phone and it has an ethernet port that connects to each computer. This setup has been working properly until I purchased an SG300 and replaced the 3com 2816.
 
The ip phone is showing a bad gateway and the PC are getting an ip address of 192.168.101 (which is for voice). Theoretically it should work, but what is weird is, it seems the SG300 trunking with the 3com 4800G is not working. Is it possible that it is on ISL mode rather than dot1q?I also saw its running RSTP, should I changed it to classic STP?How do I fix this or what troubleshooting should i do?
 
The SG300 is configured as a layer 2 switch. Configuration for the trunk below:
 
interface gigabitethernet27
spanning-tree link-type point-to-point
switchport trunk allowed vlan add 3-4
macro description switch
macro auto smartport type switch $native_vlan 1

View 13 Replies View Related

Cisco Switching/Routing :: 5500g 3com Switches - Spanning Tree

Jan 10, 2013

I have problems too when I connect 3com and Cisco.
 
I have 2 5500g 3com switches connected with 2 links. If LACP is disable, this causes serious problems and STP not works.
 
Logically , the link, is a port trunk with all the vlans permitted. One switch has STP enable and the other RSTP. Why this not works fine? I need to configure MSTP maybe? PVSTP is not allowed on this switches.

View 2 Replies View Related

Cisco Switching/Routing :: Change From 3com Core Switch By 2960?

Aug 30, 2012

choosing a core switch, to replace a swich 3com model 4924, its main function is to support a 4-LAN switch cisco 2960 (100 users) and a ring cluster of 12 servers.obs. Current 3com core switch has 56 Gbps performance and 41.6 million packets per second.

View 3 Replies View Related

Configure Port Base Vlan On 3com S7900E Switch?

Sep 13, 2012

I am tryıng to confıgure port base Vlan on 3com S7900E switch. There are already 9 of them confıgured but one is missing and I need to add 1 more. I have done this on cisco routers but cant get my head around 3com commands.

View 1 Replies View Related

Linksys Wireless Router :: WRT54GL - Setup It With 3Com Switch?

Sep 18, 2012

How to add a Linksys router for wireless access to a 3Com switch. model 3CGSU08A I have two choices for routers E2000 and a WRT54GL which one would be best and how to setup?

View 1 Replies View Related

3Com 4200G Switch (Part 3C17660-91) - Cannot Ping The Device Or Browse?

Feb 16, 2011

I have the above mentioned switch. I assisgned an IP address to the switch some time ago, but never had cause to use it (as it was purhcased as a spare).The problem I have now is that I cannot ping the device or browse to it via IE. Using hyperterminal and the CLI i have attempted to assign the same IP address, but i get a warning along the line of already assigned.I have set IP's to other 3COM model switches without problems. why I cannot ping this device or assist in connecting to it via IE?

View 6 Replies View Related

Cisco Switches :: How To Config VLAN On 2 Switches SF300-24 Layer 3

Oct 6, 2011

now we have 2 switches: SF300-24..on one SF300-24 we config it at layer 3 mode with VLAN configuration same as following [code] And we use port 26 on 2 switches SF300-24 is trunk mode then we connect both SF300-24 switches.But on SF300-24 layer 2 cann't inderstand VLAN from Sf300-24 layer 3..How to config VLAN on 2 switches SF300-24 Layer 3 and SF300-24 layer 2?

View 2 Replies View Related

Cisco Switches :: SG300 Switches Have Poor Performance In Layer 3?

Jan 1, 2013

We have several of the SG300 Serices switches. We use them to route VLAN traffic to Remote Offices, Internet Connections, and WiFi Access Points.In one remote office we have a SG300-10 setup to route the HQ Network and the remote Office Subnet. The SG300 is Connected to HQ via Fiber and has multiple Tagged VLANs on it. If I do speed tests over the Fiber Link on the Incoming Tagged Netwotk I get Decent performance, 80Mbs. If I switch to a networtk that is not priginating from HQ, and have the SG300-10 route packet, I get dismal performance. 15-20Mbs.
 
I Fireded up a New SG300-28P FW v1.2.7.76. Added a the HQ VLAN 101 and new VLAN 1025 . Mapped some Tagged and untagged ports for each.  Switch was connected to HQ Network as untagged VLAN 101.  I put a laptop on an Untagged VLAN 101 port. Ran some tests, cam back with 750-850Mbs. Great.  Put the same laptop on a Tagged 101 Port, Configured the NIC for Tagged VLAN 101, Same test, same Speeds, 750-850Mbs.I then  Configured laptop for Tagged VLAN 1025. Connected to tagged VLAN 1025 port. Ran speed tests, resuts were 15-20Mbs!
 
I then  Configured laptop for Untagged VLAN 1025. Connected to unagged VLAN 1025 port. Ran speed tests, resuts were 15-20Mbs!It was only the Laptop and the Connection to the HQ net on the SG300-28P. Why is the performance of this unit soooooo poor when it needs to route?Other Switches have FW v1.0.0.27 or FW v1.1.2.0. They have Similar speed issues. All Configured for Layer 3.

View 10 Replies View Related

Cisco Switches :: SGE2010 Can Use 4 SFP Ports And Stack Of Two Switches At Same Time

Feb 15, 2012

I looking to buy SGE 2010 swith, but I have some question:

1. Can I use 4 SFP ports and stack of two switches at the same time.
2. Is it possible to use for stacking  ports other than 24, 48?
3. What is maximum possible number of ports  to use for stacking (can I get more than 1Gb thruput).

View 0 Replies View Related

Cisco :: Layer 3 Managed Switch?

Apr 30, 2012

I need a ≥ 8 port layer 3 managed switch. What would be the cheapest solution for this?I've been looking at some stuff like Cisco 4908G, but that only supports 1000base-X. I need something that supports the standard 1000base-T. I've also looked at a Cisco WS-C3508G-XL-EN, but correct me if I'm wrong, this is only layer 2?

View 11 Replies View Related

Cisco WAN :: 3560 - Possible To Use Layer 3 Switch For BGP

Apr 22, 2011

can i use normal  two L3 Switch(3560) for BGP Multihoming with 2 different isp

View 4 Replies View Related

Connecting Layer 2 Switch To 3

Mar 10, 2011

Here is a second paragraph from official BCMSN book page 93:

View 6 Replies View Related

Cisco Switches :: 300 Layer 3 Routing And Proxy ARP

Jul 12, 2012

I have a situation where I have ethernet traffic from two separate networks/ip subnets (Subnet A and Subnet B) on a single ethernet connection.  I have the need to separate the traffic into two separate networks and two isolated broadcast domains.  I thought this could easily be accomplished with a Cisco 300 Layer 3 switch, but I can't get it to work correctly. I have the switch set to IP routing mode.  I have three VLANs configured.  VLAN 1 sees the combined Layer 2 & 3 ethernet traffic for both subnet A and subnet B.  VLAN 10 has an IP address assigned from subnet A and is the gateway for devices within that subnet.  VLAN 20 has an IP address assigned from subnet B and is the gateway for devices within that subnet. IP proxy arp is on by default and should be active.Devices in VLAN 10 can ping devices in VLAN 20 and devices in VLAN 20 can ping devices in VLAN 10.  This appears to be working only because the switch is the default gateway for those components. 
 
No devices or servers in VLAN 1 can ping VLAN 10 or VLAN 20 components, and VLAN 10 and VLAN  20  components can not ping VLAN 1.  I analyzed the ARP traffic on VLAN 1 and the switch  is not responding with its own MAC address for requests for IPs for active devices connected to VLAN 10 or VLAN 20.  The Cisco documentation says that the device should be responding and acting as a router.I can not physically connect everthing on VLAN 1 directly to the switch, I can not make the switch the default gaeway for all devices on VLAN 1, and I can not create static routes directly to the VLAN 1 switch IP address for all devices that are part of VLAN 1, so I am stuck.  I need the switch to let VLAN 1 components automatically know what is connected to VLAN 10 and VLAN 20.
 
I am willing to scrap this approach entirely if there is an easier way to do this.  Put simply, I have a few devices in Subnet A that need to be isolated from Layer 2 & 3 traffic destined for a few devices in Subnet B, but I can't reconfigure my entire network to create these isolated broadcast domains.      

View 4 Replies View Related

Cisco Switches :: SGE2000P - Layer 3 Setup?

May 29, 2012

We have a potential new customer who is wanting to deploy a guest WLAN. I am happy doing this via a VLAN on the WAP4410N series AP’s. I would then create the relevant VLAN’s on the switch. Can each VLAN be assigned an IP address and allowing me to be able to add a static route on the router pointing the traffic for the Guest VLAN back to the switch? 

View 1 Replies View Related

Why Layer 2 Switches Need Mac Address Even It Does Not Have Any Interface

Dec 27, 2011

Why layer 2 switches need its mac address, even it does not have any interface ? (does not have stp and etc)

View 8 Replies View Related

Layer 3 Managed Switch - HP V1910-24g

Mar 6, 2012

I'm looking to get a layer 3 managed switch. The HP we currently have only does layer 2.I'm looking at a HP v1910-24g. It has 24 10/100/1000 ports and looks to be layer 3 as well.It looks like they can be had for around $350.Anything different I should be looking at with similar specs? Any issues with the v1910-24g?

View 19 Replies View Related

Cisco :: Switches That Can Perform Task Depending On Layer?

Jul 23, 2012

I'm new and just entered in the world of studying my certification for Cisco, since I'm curious I see that there are switches that can perform task depending on the layer? I see some with specifics for Layer 2, some other for layer 3 and even some others with router capabilities!I know this is a rookie question but how do I know what the best switch for a network? or how can I identify them?

View 3 Replies View Related

Cisco Switches :: SF300-24 Layer 3 Mode Routing?

Dec 14, 2012

i've a problem with my SF300-24 routing. That's my network configuration:
 
Port 1 to 12 assigned to VLAN 10
Port 13 to 23 assigned to VLAN 20
Port 24 has an ip 10.17.7.254 to connect with my deafult route, beacuse I've also a Linksys RV042 router, connected in turn with my ISP router, having an ip 10.17.7.1.

View 6 Replies View Related

Cisco WAN :: C6509E Multicast Configuration For Only Layer 3 Switches

Jun 13, 2011

If there is C6509E as core switches and C3750 Switches running layer 3 at the User dept uplink to the C6509E Switches, what will be the multicast command that should be implemented at both end? CGMP or IGMP or do not need to implement this snooping as well?
 
Users (IPTV) -> C3750 (Access Switch) -> C6509E (Core Switch) -> C6509E (Server Farm Switch) -> IPTV Servers
 
Do we need to configure multicast at C3750 Switches (Access Level) at the User dept? Let's say the IPTV Mulitcast is 239.1.1.1. How can we build up this multicast configuration based on this scenario?

View 5 Replies View Related

Cisco Switches :: SG300 In Layer 3 For Routing Over MetroE

May 12, 2013

I have a project I am working on that will require routing over a MetroE circuit to connect a few sites together back to HQ. Although, I know this can be accomplished several ways, I have come up with a solution that I think will work, but would like you all's input as to whether this is adequate and if my thoughts on how to properly "organize" the network are right.
 
I have been working with the SG300 line in Layer 3 mode and have not had any issues in a test setup I have here in the office. Basically my thought is to have a single VLAN/subnet allocated for each physical site. That will handle the basic interoffice connectivity etc. I also have a need to prioritize voice/video traffic throughout the entire network. My plan was to create an additional VLAN/subnet to house the teleconferencing equipment. Thats pretty much the jist of the setup. My only question is how to properly prioritize the voice/video VLAN.

View 3 Replies View Related

Cisco Switching/Routing :: SF 300-48 Layer 3 Switch Tried To Configure To Use

Aug 24, 2011

I got one SF 300-48 layer 3 switch I tried to configure to use it in the office network.Unfortunately I'm unable to configure the VLAN settings.I need port one for input(VLAN2),port 7-15 for another vlan(vlan3) also need to connect with the vlan 4.port 15 is another vlan(vlan4) this is for wireless.Other ports are static.It doesn't get any connections with other vlans.I wish to know how to configure vlans in GUI mode.I tried , But I can't get the Vlan setting correctly.Also,I need to know how to communicate both vlans in GUI mode.

View 8 Replies View Related

Cisco WAN :: 2960 Dont Have Layer To Switch Between ASA Routers

May 23, 2011

I have 1 internet router 2960 and 2 No's ASA firewalls,The issue is Suppose if ASA-1 fails the failover will happen on ASA-2 but The issue is i dont have a layer 2 Switch in between the ASA's and Internet router, i have to manually shift the cable from ASA-1 to ASA-2,what sort of configuration i can do on 2960 router interfaces to support failover from ASA-1 to ASA-2, I have enough interface on 2960 router to occupy ASA-2. These all 3 devices should be in 1 Subnet.

View 11 Replies View Related







Copyrights 2005-15 www.BigResource.com, All rights reserved