Cisco Switching/Routing :: Separate Network On 3550-12G?

Sep 26, 2012

How do I configuring Private Class A [10.206.90.0/24] and Private Class C [192.168.1.0/24] Network on Cisco 3550-12G Switch.

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Cisco Switching/Routing :: 1800 - How To Use Gateway On Separate Network

Sep 30, 2012

I've just started out playing with a Cisco 1800 router to gain some knowledge of Cisco devices before taking a CCNA. I also have a 2950 switch but will start with the router.
 
I'm using an Android phone as a wireless Internet access point.  This issues IP addresses by DHCP in the 192.168.43.x range with 255.255.255.0 subnet.
 
Also I have a Linksys WRT54G router running DD-WRT firmware acting as a wireless bridge to the Android phone, and it has 4 LAN ports.
 
This bridge is up and running and I have successfully connected my laptop to the Linksys for testing and can use the Internet provided by the phone.
 
Connected to the Linksys is a Cisco 1800 router. Connected to the router is my Citrix XenServer PC and a NAS box.
 
The XenServer and NAS are on another network 07.05.19.x range with 255.0.0.0 subnet using their own static IPs. One of the virtual clients on the XenServer will be a DHCP server to service other virtual clients.  All still in the 07.05.19.x range.
 
Basically I want the devices on the 07.05.19.x IP range to be able to use the Internet gateway at 192.168.43.1 to access the Internet.
 
How would I set up my 1800 to achieve this?
 
Also, am I right in understanding that the 1800 will ignore DHCP leases from the Android phone due to it being a Layer 3 device.

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Cisco Switching/Routing :: 3750 / 3500 - Separate Network Into 2 VLANs

Feb 13, 2012

Currently we have an Ava ya IP Office switch running on the same network as our PC clients. I would like to seperate the two network into 2 V LAN's.

We have a mixture of Catalyst 3750 switches and some older 3500 models.Where do I start? Should I leave the PC's and servers on the default V LAN and just move the IP handsets?

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Cisco Switching/Routing :: 5510 Isolating Switch Ports For A Separate Network

Feb 2, 2012

I have to configure failover Active/Standby on my ASA 5510.I am wondering how i could do for the outside interface, i mean, actually the ASA1 outside interface is linked directly to our Internet router.So now if i have to add ASA2 connecting to that router i will need a switch between them.I have already a switch for DMZ & LAN.The thing is that i will have to allow 3 switchs ports to communicate with each others.

- 1 for ASA1--outside
- 1 for ASA2--outside
- 1 for Internet router
 
How could i isolate these 3 ports to make them communicate alone ? Should i use VLAN for that ?And if i use VLAN, will this require to make any change of configuration on my firewalls (ASA1 & ASA2) outside interface ?I am a bit lost with this, if i am correct i will not have to do some "vlan tagging" on the firewall itself ?

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Cisco Switching/Routing :: SG200 / 3550 - Creating VLAN And Isolating PC On Network

Feb 12, 2013

I was given a task of creating a vlan and isolating one pc to access an internal website (192.168.90.15) on a specific port (port 8080)The pc is connected in the following manner:

PC--> HP Switch --> Cisco Small Business SG200 switch --> 3550 Catalyst 1, 3550 Catalyst 2 and 3550 Catalyst 3.

I have created a vlan 110 on the Main 3550 Catalyst switch and successfully added the pc to that vlan.However, that PC must be able to access the internet and an internal website on port 8080.I have placed an access-list on the main 3550 catalyst switch which is connected to our router as below:

Client ip address: 192.168.100.2
VLAN 110: 192.168.100.3
 
access-list 110 permit tcp host 192.168.100.2 host 192.168.90.15 eq 8080access-list 110 permit icmp host 192.168.100.2 anyaccess-list 110 deny ip 192.168.100.0 0.0.0.255 ? I was unable to access the webserver even after many attempts.

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Cisco Switching/Routing :: 3550 / Routing Protocol Neighbor Between SVI And Routed Port?

Apr 18, 2012

I have a collapsed core design with routed ports between all components. Access layer switches, data center switches, core/aggregation. All routed (no spanning-tree at all).Now...I have to add an IBM BladeCenter with a BNT layer 3 switch to my topology. However, those nasties don't seem to support routed ports.How can I have a routed port on my cisco switch and a standard access port on the BNT and still establish an adjacency with an SVI? I am running OSPF, but I am labbing this in my home lab with 2 x 3550s and EIGRP.
 
On SW2:
*Mar  1 00:57:00.711: EIGRP: Received HELLO on Vlan100 nbr 10.1.1.1
*Mar  1 00:57:00.711:   AS 999, Flags 0x0, Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/1
*Mar  1 00:57:02.303: EIGRP: Sending UPDATE on Vlan100 nbr 10.1.1.1, retry 9, RTO 5000 tid 0
*Mar  1 00:57:02.303:   AS 999, Flags 0x1, Seq 17/0 interfaceQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/1

[code].....

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Cisco Switching/Routing :: Does Catalyst 3550 Support Inter Vlan Routing

Jul 24, 2007

Does Catalyst 3550 switch support inter vlan routing ?

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Cisco Switching/Routing :: 3550 - IP Routing In L3 Capable Switches?

Apr 11, 2012

Is L3 ip routing on by default in 3550s?  If so is the "ip routing" command visible in the config file?  If no - I assume that one would enable L3 routing with that config command.In general terms are there any IOS devices where ip routing is enabled and one would not see the "ip routing" command in config.  I.E. if that command is not visible in the config could you assume there is no L3 capablity in that device?

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Cisco Switching/Routing :: Configure Routing Between 2800 And 3550

Sep 18, 2012

The layer 2 switches are connected to layer 3 Switch via trunks, and routing between layer 2 switch ports with configured SVI's on 3550. All working fine. Now I'm trying to configure routing between 2800 and 3550, I tried connecting both Straight Throught and Crossover cables to the 2800 Fa0/0 and Fa0/1 ports as well as the switchports on 3550
 
No switchport commands are configured however, the lights do not go on for both straight through or crossover cables. I tried connecting 1750 routers but same result. My goal is to have all the VLANS routed to the internet with configuring NAT translation the router.

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Cisco Switching/Routing :: 3550 / Layer 3 Switch Not Routing?

Apr 26, 2012

I have a 3550 l3 switch configured as follows:

vlan 10 ports 1-10
vlan 21 ports 11-20
vlan 30 port 21-30
vlan 40 ports 31-40
default vlan should be vlan 21

I have the servers, switch and router connected to vlan 21.  Vlan 21 works great I can browse the internet, but I cannot ping any other vlans. router is connected to fa0/19
 
[code]
Building configuration... 
Current configuration : 4833 bytes
 !
 version 12.2
 no service pad

[code]....

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Cisco Switching/Routing :: VLan Routing Same Switch 3550-12T?

Mar 10, 2013

I'm having some problems setting up vlans to talk to each other on a 3550-12T switch. Its quite a simple setup I have, but I need to split my network up.
 
Currently I have a network of 192.168.25.0 255.255.255.0 I want to create a new vlan network of 192.168.30.0 255.255.255.0 So I have configured my vlan1 (default vlan) to have an ip of 192.168.25.250 for getting to the management page
 
I have created a vlan2 of 192.168.30.1 255.255.255.0 ?I have a port 10 linked to one of my 3560G's?In port 9 which is on vlan2 I have my pc plugged in with a static ip of 192.168.30.50 from the router I can ping any device on 192.168.25.x.
 
I can not ping 192.168.30.1 (which is my vlan2) nor can i ping the PC.
 
I have enabled ip routing  But I dont have a default route, this is becase we don't have a router on the network.

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Cisco Switching/Routing :: 2600 / 3550 - InterVLan Routing

Dec 2, 2011

I've been working with these two Cisco devices in my home off and on for several months now but I just can't take it anymore, I'm about to throw them away and go back to Linksys router.
 
I have a Cisco 2600 Router with only one Ethernet card in it so I have to trunk from my 3550 Switch to that device.  I'd like to have my ISP and all users plug into switch and all trunk back to the router's sub interfaces. Currently, I have started over...again, and am unable to simply get the router and switch to ping each other if I put sub-interfaces on the router.  See my configs:
 
2600 ROUTER:
Router#sho run
Building configuration...
Current configuration : 555 bytes
[code]......

3550 SWITCH:
Switch#sho run
Building configuration...
Current configuration : 2302 bytes
!
version 12.2
[code]..........
 
Port F0/24 is in VLAN 1, as are all ports but Port F0/1 which is my desktop PC. I mocked it up in Packet Tracer and it works just fine.  This is just a simple setup and I'm making sure I can ping between switch and router before I move to each next step.

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Cisco Switching/Routing :: 3550 - Rip 1 Across Different Vlans

Jul 24, 2012

The situation include 2 cisco routers an 2 switch 3550
 
so we have  Router A  in Vlan x access ----->Sw1----Trunk----Sw2<------Vlan y Access Router B I 've to enable rip1 on guys A and B ONLY !!! Avoiding any kind of tunnel I though it was all around fallBAck bridging ... but after days of tries ...

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Cisco Switching/Routing :: 3550 QOS For Voice Over IP

Oct 25, 2011

We're looking at implementing a new phone system which will use voice over ip. Currently we have a mixture of Cisco 3750 and Cisco 3550 switches which don't support power over ethernet. Its been suggested we could continue using the current switches and power the new phones using power adapters.
 
Int terms of implementing qos (we don't have any at the moment) for the voice will a Cisco 3550 be OK and will having a mixture of different models using 3550 and 3750 pose any challenges with the qos policy for the voice. I believe there are differences in that the Cisco 3550 doesn't support srr-queues but having little experience with qos I'm not sure what impact this will have if any?

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Cisco Switching/Routing :: QOS Between 4510 And 3550?

Oct 31, 2011

I am having issues working on my QOS between 4510 and 3550 switch connecting on layer 3 through a service provider. I have class maps and policy map setup on both sides and then policy map attached to interfaces however i dont see any traffic matching in policy map on 3550 switch, i do see some traffic matching on 4510 but the speed with which its increasing has my doubts about it. When i make voip calls ( VOIP switches are sitting behind 3550 and are mainly 3550 pwr 24 port switches with phone ports configured for auto qos voip cisco-phone and trusting cos) i rarely see the RTP matching in class under policy map.

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Cisco Switching/Routing :: Installing Ios On 3550?

Jan 17, 2013

im trying to install a ios 12.2v on my switch. when the screen prompt it does not show me the user move symbol " SW1> ". all i see is " SW:" and from there i can not enter the commands to download from tftp server !

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Cisco Switching/Routing :: Would Nexus 5K Can Have 2 Separate Connections To Each VDC

Jan 23, 2012

We are thinking of following classic design, would Nexus 5K can have 2 seperate connections to each VDC? Nexus 7K w/ different VDC (Internal / DMZ ) Can Nexus 5K have a VPC connection to Nexus 7K to Internal VDC as well as DMZ VDC, and seperate traffic?

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Cisco Switching/Routing :: To Stack 2 Switches 3550

May 15, 2013

I would like to know how to stack 2 switch cisco 3550 that IOS C3550-ipservicesk9-mz.122-44.SE6

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Cisco Switching/Routing :: Upgrading From Cat 3550 To 3750?

Aug 30, 2012

we have   two core swiches 6506 and  around 55 cat 3550 switches. currently we are on the process of replacing   the cat 3550 switches to 3750 switches.We need 10/1000/1000  speed, ip base image with upgrade options. Our up links from cat 3550s(sfps) are  single mode and  dual mode fiber  mode with 1 gbps  ports on core switch.
 
At present we are not upgrading to 10 gb modules  on core. Spread over 15 floors  each floor needs  2 up links(single mode , and dual mode). since cat 3750  sfps are smaller in size existing  gibics cannot be used. Looking for the best option of cat 3750 switches with 1 gb up links which can be  upgraded to 10 gb later  when we replace the  modle on core. Requirements:

1- Cat 3750 switches 55 in no with sfps for 1 gb up link (dual mode fiber and  single mode fiber)

2- stacking option

3- 10/100/1000  speed

4- ip base image upgradable  to ip service image

5- ipv6  compatibaility. Network is spread over 15 floors so from each floor  we need two sfp  up links 1 gbps  using dual mode and single mode

-6-Should be upgradable to 10 gb  in future when we upgrade  the core modules
 
Or is it better to go for 10 gb module in core as well as  edge switches ? if so what should be the modules?

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Cisco Switching/Routing :: 3550 TCL Interpreter In Switches

Jun 11, 2008

I have one 3550 switch and i upgraded from 12.1 to 12.2(44)SE . But "tclsh" command is not enabled on this version. As per Cisco, 12.2(25)S is enough to enable TCL interpreter.

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Cisco Switching/Routing :: Policy Map On 3550 Not Working?

Sep 27, 2012

We have a metro Ethernet service, basically our WAN connection, that we use to connect 4 sites. This MOE service has a CIR of 200 Mbps, connected to a port on a 3550-12T running Version 12.1(22)EA5 at 1000 Mbps. We are exceeding our CIR at times during the day for short bursts which is causing the MOE switch to drop packets, which I suspect I am seeing manifest itself in some choppy VoIP conversations and dropped ICMP packets from our network monitoring software. I implemented policy maps to apply an outbound service policy to the interface connected to the MOE service, but I am not seeing any matches to the access lists or the service policy. I’m not sure if I am missing something or perhaps the IOS is not capable?
 
Below is the config for the service policy and some command output. Notice that there are hits on a statndard access list that is used for other purposes, but the extended access lists used for the class maps have no matches.
 
!
class-map match-all REALTIME
match access-group name REALTIME

[Code].....

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Cisco Switching/Routing :: Configure Qos On 3550 Interface?

Aug 3, 2012

I was trying to config qos on 3550 interface
 
Match protocol is not supported for this interface
 
So does this mean that qos is not supported on 3550?

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Cisco Switching/Routing :: Catalyst 3550 PoE 802.3af Compliance?

Jan 5, 2012

confirm whether the Catalyst 3550 with IOS Rel. 12.2(44)SE is compliant with POE IEEE 802.3af?   I see some conflicting informaiton on Cisco's web site. Before Release 12.1(22)EA2, Catalyst 3550 PoE-capable switches (without intelligent power management support) caused high-power powered devices that supported intelligent power management to operate in low-power mode. Devices in low-power mode are not fully functional.
 
IEEE 802.3af—The major features of this standard are powered-device discovery, power administration, disconnect detection, and optional powered-device power classification. For more information, see the standard.

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Cisco Switching/Routing :: 3550 - Not Getting Internet As Well As Ping

Feb 19, 2012

We had re-arranged and purchased new public ips and changed with new modem. Following is the new network setup diag
  
I have started the configuration, but stucks at a point. Current configurations setup and ip assigment is as follows
 
ISP modem/router(192.168.3.254)-->(192.168.3.1)1811W Router(192.168.2.254)-->(192.168.2.1)3550(interface vlan 10 - 10.0.1.254, interface vlan 192 - 192.168.1.254)--trunk-->2950

1)Configured 3550 as layer 3 switch and create a default route to  192.168.2.254

2) Configured 2 static routes(for 2 vlan range traffic) and one default route to 192.168.3.254

3) ip pass through is not configured yet, still the public ip is configured at the isp router 
 
1811 static route configs
------------------------------------
Ip route 0.0.0.0 0.0.0.0 192.168.3.254
Ip route 192.168.1.0 255.255.255.0 192.168.2.1
Ip route 10.0.1.0 255.255.255.0 192.168.2.1 
3550 static route config
-------------------------------------- 
Ip route 0.0.0.0 0.0.0.0 192.168.2.254
 
Testing results 1)All  lan communications are working fine(inter vlan also), ping to all  servers from router is getting and ping to outside public ips are  getting from router,but not getting ping from switch 3550 to 192.168.3.254  and any of the public ips(internet).

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Cisco Switching/Routing :: 3550 48-SMI Software-Update?

Oct 17, 2012

I have an Cisco 3550 48 SMI running IOS (tm) C3550 Software (C3550-I9Q3L2-M), Version 12.1(13)EA1a. Software advisor says that I can only update to Version 12.1(22). The software download area tells me that the latest version is 12.2(44).
 
know if I could use the latest 12.2? Or has the hardware changed with the IOS versions?

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Cisco Switching/Routing :: WS-C3550-48 Adding A Separate Subnet

Jan 14, 2013

We have two switches; a WS-C3550-48 and a WS-C3548-XL connected via fiber uplink ports. Both switches are on the same subnet 192.168.1.0 /24. I would like to change the subnet of the second switch, WS-C3548-XL, to be on 192.168.2.0 /24. Would it be possible to assign 192.168.2.x IP addresses to both uplink ports to achive this?
 
Or would I need to create a separate VLAN and assign both GigabitEthernet0/1 uplink ports to this VLAN?

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Cisco Switching/Routing :: 3550 Wireless Access Points

Feb 11, 2013

what I can do to accomplish my end goal of safe public wifi and configuration.I have 2 domain controllers (for redundancy) with a split scope for DHCP and they both serve DNS. I have VLAN 2 (management), VLAN 3 (Servers), VLAN 4 (Wired Access), VLAN 6 (Wireless Access) and VLAN 480 (Outside Wireless). I have setup INT VLANs for all of these on my main router (Cisco 3550) with the ip-helper address to the DC for all but the VLAN 480. All of this works great, and the scopes are setup just like the VLANs. (ie 192.168.2.0 (management) .3 (servers) etc.)I was wondering if there is a way to have VLAN 480 get DHCP from the cisco 3550 as a random address say, 172.16.0.0 255.255.248.0?
 
On a side note, I have seperate Wireless Access Points for the outside. (From a guy before me) I understand you can have a guest wireless setup on the newer Access Points, and trunk (cisco term) the 2 VLANs and seperate them out with Access Control Lists so they don't talk to each other, but I would rather just give the VLAN 480 it's own DHCP from the router.

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Cisco Switching/Routing :: Determine VLAN Tagging On A 3550?

Jun 13, 2013

We are trying to replace the CSS between our firewall and DMZ with a BigIP.  Among it's other functions, it will act as the router between the firewall and the DMZ. To make this work, I need to assign vlan tags values for the vlans I create on the BigIP box and these must match the tags on the cisco switches (3550's)  How do I find this information on the switch?

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Cisco Switching/Routing :: 3550-24-PWR Can't Ping Aironet 1231

Oct 30, 2012

I have two 1231G Aironet's that work correctly when I connect them to my Catalyst 3548XL and my 3550-48-XL switches.  When I connect them to the 3550-24-PWR switch I do see them when I issue sh cdp nei det.  It shows me the IP of the wireless router.  But when I ping the Aironet, I do not get any replies. If I plug the Aironet into my 3548XL and ping the IP, I get 5 replies.  Here is the port config on both switches:
 
     switchporrt trunk encapsulation dot1q
     switchport native vlan 100
     switchport allowed vlan 1,69,100,125,200,1002-1005
     switchport mode trunk
     spanning-tree portfast
 
Here is the sh cdp nei det results:
 
     Device ID: North_AP.mtd.home
     Entry address(es):
       IP address: 192.168.100.104
     Platform: cisco AIR-AP1231G-A-K9    ,  Capabilities: Trans-Bridge
     Interface: FastEthernet0/3,  Port ID (outgoing port): FastEthernet0

[code]....
 
I have tried two versions of the IOS on the 3550PWR switch.  Right now its: c3550-ipservices-mz.122-44.SE6

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Cisco Switching/Routing :: 3550 - Redirecting Port 80 Traffic?

Dec 12, 2011

How do I redirect my port 80 traffic to my Trend Micro IWSVA in my 3550 switch? How do I use PBR? Can I use WCCP in my 3550?

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Cisco Switching/Routing :: GLC-GE-100FX - Connection To 3550 Switch Over MMF

May 21, 2012

i have an OM1 MMF fiber run between two switches, the first being a 3750 and the second being a 3550.
 
The link currently exceeds the maximum distance for OM1 @ 1000Mb/s (220m) so i would like to downgrade the link to 100FX using the necessary SFP's/GBIC's to extend the maximum distance to 550m and run the link @ 100Mb/s.
 
I have the part code for the 100FX SFP to install in the 3750 (GLC-GE-100FX) but cant find a 100FX GBIC for the 3550, can I use a 1000SX GBIC (WS-G5484) for the 3550 at one end and the 100FX SFP at the other? Any success with this configuration over MMF?

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Cisco Switching/Routing :: 3550 / VLans Not Able To Access Internet?

Jun 12, 2012

We have cisco 3550 switch i have configured 3 vlans in this switch vlans are not able to accessing internet

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Cisco Switching/Routing :: 3550 OSPF Default Route

Aug 19, 2012

I'm working on a little OSPF setup in my lab and having a problem pinging out to the internet.I have a setup with (3) 3550's running ip routing. I'm configuring OSPF but I can't ping the internet from any L3 switch except the switch with the actual uplink to the internet.[code] From SW2 and SW3, I can ping SW1 on all IPs (192.168.1.90, 10.10.10.1, 10.10.10.5) but I can't ping 192.168.1.1 which is my gateway to the internet.

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