Routers / Switches :: Trunk Port Connecting But Network Tree Not Available On Pc
Jun 26, 2012
trunk port connecting but not allowing access to tree; i connected 4506 port to 3550 port; and i set both to switchport mode dynamic desirable; the 4506 port was set with switchport mode access and switchport mode access vlan ?; i used the command default switchport access vlan to remove the vlan; the ports are up but as I stated I cannot connect ot our workgroup tree
Is there really any reason why you wouldn't use spanning-tree portfast on a trunk port other than a trunk between two switches? We have it enabled on all ports except for the fiber trunk between two non-stacked switches and the trunk ports connected to our Astaro firewall.I'd like to enable it on the ports to the firewall unless that would cause issues.
Vlan 10 is the management VLAN, and it uplinks to our border router.Vlan 20 is the workstation VLAN, and all workstations point to the switch as their default GW? Vlan 30 is the ip phone VLAN, and all phones use this as their gateway.
I would like to put a LAG between said switches, we have some servers on the ip phone switch that need to be accessed by the workstation clients, and the single 100mb link through the router is probably not going to be enough.As I understand it, because the switches have different networks on them, a simple lag will not work. I did create a lag, and assign ip addresses to each side, however in that mode, it doesn't appear I can block vlan 10 from transiting the LAG, and with out that block I will end up with a logical loop, and spanning-tree will block one of the uplinks, or the LAG itself.
We are upgrading out internal office network. I have setup 4 switches and 1 router using the following config.
-2 SGE2010p's are stacked together forming vlan 30 (to be used for phones)
-2 SGE2010's stacked for workstation's under vlan 20
Both switches are apart of vlan 1 (the default)Ports 1 on each stack are connected to a Cisco 890 (port fe2 and fe3) in trunk mode. Ports 2 and 3 are in an LAG group and connected to the neighboring stack (I have attached a diagram), and are also in trunk mode).At this point one port (port 1 on either stack) goes into blocking mode, and I get why ,it's a physical loop.I need more than a 100mb link between switches (which is what pulling the LAG between switches gets me), but I don't want to route phone traffic through my workstation switches to get out of the LAN.Is it possible using these switches and router to have a LAG between stacks and a link to the router for traffic to 0.0.0.0 ?
Is it possible to use Port Security mechanism between two switch (3750 or 3560) ports while trunk has been configured? If it's not possible, is there any other way to ensure that no other Switch can be connected other then the one switch which has been configured/placed by a network engineer?
We have 7 3560's in 7 different locations connected to our providor for wan access. Our provider has given us a copper cable at each point and we have connected it directly to our 3560 switch at each location. Each port is configured the same way at each location. Each switch is running eigrp.All of the switch ports on each switch are configured as a trunk and vlan 299 had the ip address for the eigrp connection: [code] This setup is working as each switch see's all of the other switches as an eigrp neighbor. We have also made sure that the switch at our head office has spanning tree priority for vlan 299.
So the problem is, if there is a change in the topology at one of the locations it usually causes one or more of the other connections to go down for some reason. We just cannot pinpoint what is causing this change. There are no log's or anything other than an eigrp hold time expired message.?
I have a desktop connected to our work network. It's running XP Pro. I also have a laptop running vista home. Is there a way to hardwire that laptop to the desktop, so i can share files between those two computers, while ALSO keeping my desktop connected to my office network?Since it's vista home, I can't connect the laptop to our network, since it can only connect in workgroups, not networks. But if I'm just able to just use the laptop, create files, and then either save them to a shared folder with my desktop or just save them to the desktop with a switch or something, it wouldn't be a problem that my laptop can't connect to the network.
I have HP laserjet 4000 tn. Had an old router and upgraded to a new wireless router, when connecting it to the new router, the port I connect to has the amber light come on. I have reset to factory setting thinking it would reset and capture a new ip address. still giving me problems. try connecting it to my macbook pro and cannot get a "fix" on the printer either. I know it has to do with the configuration of the printer.
I have a Kguard H264 CCTV system installed that is connected to my BTHome HUb 2 via ethernet cable.The CCTV system is registered on the home hub and has a direct ip address of 192.168.1.100 and is configured to forward port 80 which is correct.Problem is how do i now connect to the CCTV system outside of my home network i.e. using my work computer?
I have followed directions and forwarded the two ports to the local machine. I looked in the router setup to find my current public ip address from Comcast say its 184.108.40.206. If I am on the same network as the machine that is receiving the port forwards, and I type http:// 220.127.116.11 in a browser, the forwarding works fine.If I am external/not on the same network, typing http:// 18.104.22.168 in a browser times out. I have tried http:// 22.214.171.124:9000 too (9000 is the port I need forwarded) and that doesn work either.But, I do have remote management enabled for the router and if I am external/not on the same network and I enter http:// 126.96.36.199:8080 in a browser, I get the router login screen and can enter my user name and password and login to the router just fine.
We recently moved 8 pc's from a room where they each had port on the switch to a room where there is only one port for all of them. I setup a DLINK DIR632 Router in there and they connect thru the one port thru the switch to the gateway which gets them out to the internet.The problems is I need to be able to remote desktop into these 8 PC's and I need them to be able to print to the network printer. I am using a Linksys WRT54G Broadband router as the gateway connecting the switch to the internet. The DLINK's dhcp server is on for the 8 PC's. The Linksys' dhcp server shows the DLINK as IP 192.168.1.19 on the network.I know I have to use advanced routing settings but I'm not sure about how what to make the subnet mask and IP's on both routers. I believe I need to turn off the dhcp server on the DLINK and have the Linksys' dhcp server serve all of the PC's but I'm not sure if thats the best way or if its possible.. I don't want to hack out fix only to find it breaks 3 days later.I used to do this stuff all day long in the 90's but its been a while and to me its like calculus.
I have a 3750g connected to a "core" switch stack of 7 other 3750g's via 2 GigE ports in a trunk. This is currently in a switchport mode access port- channel so only the default vlan data is sent over. Now we have a need due to physical location of these switches, to allow vlan20 (DMZ) from this 3750g to the switch stack. I will configure a few ports on the switch stack for vlan20 and they need to be able to talk to the stand alone 3750g.To do this I will change the port channel on both endpoints to
-switchport trunk ecapsulation dot1q
-switchport mode dynamic desirable
also making the appropriate change on the interfaces belonging to this trunk.My question is, now that its a trunk port that carries multiple VLANs, how much is the bandwidth reduced on that 2gbps link?I have a very active VLAN (10) on the stand alone switch, but on the core I'm not going to be assigning VLAN 10 to any ports. So does traffic from VLAN10 even come across the trunk (wasting bandwidth) if no ports on the core side are assigned to it? I really just need vlan 1 and 20 (for now).
I've got a bit of a query regarding how spanning tree works on L3 switches?So say we have a few 3550's connected together and spanning tree has converged and everything is looking ok. We then introduce routing into the network, does STP still operate in the same way or is this layer 2 feature now redundant because routing has taken over?I just couldn't figure out if STP still operates at layer 2 to prevent loops and routing sits on top to route the traffic?
I have a question in regards to configuration I'm planning to implement. I currently have 2 x 3750 running in a stack. I would like to add 1 x 870 router connected to both switches.It's important for me that 870 is always available (it will only be used as a backdoor for our management network through WAN) but I don't want it to participate in any switching (including switching for management network unless it's going through this backdoor WAN). Do I need to configure spanning tree on all switches or stack is automaticly working as a 1 logical unit?As router is only using 100MB/s connection, how I can prevent this router from switching packets with other switches?
Currently I have 2 different modem running in my working area which is modem A and modem B. Whenever user from Modem A(192.168.0.1) or Modem B(192.168.0.10) would like to print or scan something using the shared printer, I need to manually plug the cable into either Modem A or Modem B depends on the network the user are currently using.How I do previously is only set DHCP on Modem A and disable DHCP for modem B so that Modem B will share DHCP assigned by Modem A. Both modems connect to the same Switch with the printer cable so both network user can use it together.But the problem now is I have to enable DHCP for both modems and causing the previously method can't be use anymore. So is there any other way that I can link both Modem A and Modem B with each assign different DHCP to link with 1
I have a building with 30+ pc's, printers and cameras. I do not have a "server" setup, however I want them to be connected to the T1 line comming into the building for internet as well as file sharing, etc.Currently, I have the T1 line connecting to as Linksys E3000 wireless router. From there I have a cable connected to the wireless router (it has 4 ports also) and then going to a Netgear FS524 (24 Port 10/100 MBPS Fast Ethernet Switch) via port number 24. I then have another CAT5 cable connected to a port on this switch, extending to a D-Link DES-1024D (another 24 Port, 10/100 switch)I then have the 30+ CAT5 cable coming into all three of said devices... No then, I get Internet connection on all units, the problem is that I cannot see all of the devices.
Ages ago I was shadowing someone making a change on the network. I cannot remember which spanning tree version was running and cannot remember the config of any port either. What I do remember is that every switch port on the 2960 switch went orange and an outage occured, where the ports went into listening / learning mode. I assume that the STP was just the default ieee 802.1D.
I have a pair of 3750-x switches stacked together. Using spanning tree with our upstream provider I have an active line in port GigE 1/0/25 and a blocked redundant line in GigE 2/0/25. I have setup a port based acl as below on 1/0/25 which is a port on the current master switch. Do I need to manually set this on 2/025 as well? Just wondering what would happen if the line to the master switch was to disappear or if the master disappeared completely whether the acl would automatically be applied to 2/0/25.
my Netgear WPN824v2 router won't connect to the internet. It stopped connecting after a power outage 4 days ago. All local connections work fine. wireless unaffected. I tried a different router, but it wouldn't work either. Contacted my ISP, they said get a new router. Tried re-installing firmware, no change. I haven't tried it on a different internet connection yet, but plan to visit a neighbor and do some begging
I just purchased netgear N150 single band wireless router WNR1000v3. I cant get to the 192.168.9.1 site to detup manually and when i insert the set up CD it scans the config & says that my ethernet adapter isn't intstalled or enabled....I HAVE A CABLE FROM THE SATELLITE MODEM to my computer which works fine when I am connected direcrtly to it, so I dont get what the problem is. Do I need a different cable connecting my computer to the LAN on the router or am I missing something?
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.
I am currently accessing the internet on my home lan with a Linksys wrt54g dd-wrt in bridged client mode (small town wifi to T1 network) with a static IP, but plan to add an additional WildBlue 12mbps satellite connection. What I’d like to do is load share between the two connections with a RV042 dual wan router…. The satellite modem connection to one of the WAN ports and configuring the RV042 as my DHCP server is not a problem, but how I should configure my wrt54g to the dual wan router for load sharing?I suspect a IT professional might understand this intuitively, but I am unsure how to pass through my public address from the Linksys to the RV042 WAN port.
Dell dimension 2400 XP home. Connects fine to old linksys g router.With new qwest dsl modem/router get IRQL not less than or equal as soon as I click on connect .Blue screen stop and must reboot.Qwest router works fine with my lenovo lap top. Win 7.
How can I connect and configure a new AT&T Uverse 2Wire 3801HGV gateway with an older 2wire 1701HG gateway as a router to add more IP addresses in a home network? The 3801 currently feeds a wired lan through three 16 and 8 port switches, and feeds way too many wireless users too. Plus, the 3801 also feeds the VOIP phone system and TV (non HD). I now know the 3801 has a max of 10 or 12 IP addresses that it can handle (where was that little detail in the AT&T material?). The 1701 can and has fed more than 50 wireless and wired connections easily for years. So, what needs to be done make the 1701 feed the wired and wireless lan from the 3801 gateway, as well as let the 3801 continue to feed the VOIP, TV, and some of the wireless lan needs at the same time?
I just got a DSL Modem router (DSL 2750U) which has DSL input for internetconnectivity.My internet service provider provides RJ45 Cable which needs LAN input socket on a router for internet connectivity. How do I connect?