Is it possible to convert multicast streams (224.0.0.1:1234) to unicast (Receiver 10.0.0.1:1234) at the router level.
View 4 RepliesI can't get access to my router. Won't accept admin password or 1234 .
View 3 Replies View RelatedIs there any way to change the AD for an inbound eBGP routes to match with route-map instead of ACL? I know I can do that with ACL as follows and it works, but it is not scalable and if there is a way I can match AS Path or Community via route-map and then change the AD for those that matches, that will be ideal. So far I found the command to change AD was only with ACL as option.router bgp 1234.where 1.1.1.1 0.0.0.0 is the ebgp neighbor ip address and 1399 is the ACL 1399 and 120 is the AD to change the eBGP from 20 to 120.
View 5 Replies View RelatedWe recently acquire a cisco 2921/K9 router to interface 2 networks
Network 1 : 169.254.XXX.XXX/16 on GigabitEthernet0/0 interface
Network 2 : 192.168.1.XXX/24 on GigabitEthernet0/1 interface
On the network 1 side there is a multicast source (169.254.200.200 destination : 225.0.0.1) on the network 2 side there is 1 receiver which is not multicast capable(old) but i want it to receive the multicast stream for the moment we configure the ip multicast-routing and each interface each interface with ip pim sparse-dense-mode then configure the GigabitEthernet0/1 in order to join the multicast group (using ip igmp static-group 225.0.0.1) and wireshark confirm that the multicast stream on the network 2 side from 169.254.200.200 -> 225.0.0.1 of course the receiver don't the stream, but if i force a "multicast to unicast" process inside the router it shall be ok.. after many hour of internet browsing i found 2 solution :
- NAT, [URL]
- multicast service reflection (Cisco documentation)
The NAT example don't work ,what is the best way to do this task.
I have a Belkin f5d7234-4 lying around at home. I also have a Panasonic TV which requires a proprietary wifi donge to get a wireless signal, so my question is, can I use the router to recieve my house Wifi (broadcast by my new NetGear Router) and send it out through its Ethernet port to the TV?
I checked, the router doesn't have ddwrt support, I'm new to hacking around with routers and networks, so I don't know how to do this, I see how it is logically possible
I am planning to get the unicast streams from different 2-3 sources over internet, and I am doing NAT for port-forwarding all those unicast streams to a one private IP. Attached is the setup for your understanding.Setup: - Both unicast streams will be hitting to One Public IP (3.3.3.2) on UDP/TCP Port 1234, 1236 & 1238 only & the same ports need to be forwarded to natted One Private IP (10.10.10.4)
1)NATTING these 2 unicast streams into one private IP(10.10.10.4) by checking Source & Destination based IPs and ports, but in below configuration I cannot achieve on checking Source & Destination based IPs and ports
Router configuration:-
interface GigabitEthernet0/0
description ***Connected to Internet ***
ip address 3.3.3.2 255.255.255.252
no ip redirects
no ip unreachables
[code]...
I have a 2x Cisco 3750G switches (Stacked) that are part of an IP Video Surveillance System .All network is set to 1 VLAN (VLAN 1 default).The Cisco SWs ( Core ) are configured with IGMP Querier + Snooping .Connected to the Cisco SWs are 4 Fiber Rings(Loops) for redundancy . RSTP and IGMP Snooping are enabled on all the network SWs .Network Architecture Figure :
When all Fiber Rings (Loops ) are connected , the Cisco and Ring SWs spanning-tree tables show the blocked and forwarding ports properly .I am able to connect all my IP Cams + Encoders to the Ring SWs and connect my Servers + WorkStations to the Cisco SWs to record and view the multicast ip streams .All streams from Rings 1 ,3 and 4 are getting normally to the Servers + WorkStations through multicast ( IGMP Snooping are filled correctly on the Cisco and non-Cisco SWs ) . All multicast streams are joined normally except for Ring 2 .The Multicast streams passing through Ring 2 will operate normally for around 2 hours then after that the Fiber SWs begin to flood their multicast traffic causing the cams on the same switch to drop off the network .
I checked the Configuration of all the SWs on Ring 2 but all are are the same .
What is weird is that I have to set all the streams to unicast to stop the flooding just on Ring 2 (All other rings are not affected ) then after some time if I enabled a video multicast stream on one of the SWs of the Ring it will be streamed properly to the Servers + WorkStations ( All IGMP tables along the way will be filled properly ) then again after 2 hours or so , the flooding will start again suddenly and all IGMP table entries for the SW on Ring2 will be empty . No problem occurs on the other Rings which have more multicast streams .
A 2960G switch is doing IGMP snooping and is configured as the querier. There is no multicast routing.
Port 1 - Video Set Top Box A
Port 2 - Video Set Top Box B
Port 3 - Multicast Source
Both Set Top Boxes A & B are set to receive the video delivered in the same multicast group.Every 60 seconds the switch generates an IGMP General Query message which is sent out all the ports in the VLAN.There is a 10 second timeout in the Query message. Devices that wish to join (or remain joined) to the multicast group have this amount of time to respond with a Join Message directed at the multicast group. Devices deliberately wait a random duration within the timeout time before replying.
For some reason (which I don't understand), if the switch receives a Join request message from a Set Top Box, it forwards that messages out of the port to the other Set Top Box. So, let's say Box A responded with the Join Message first. Box B now sees the Join message and now thinks there is another multicast receiver on its branch of the network, so it suppresses its Join Message to avoid sending an unnecessary message.If by chance Box A responds first 2 or 3 times in a row, the switch will not have seen a response from port 2 for awhile, so it prunes that port from the multicast. Eventually, Box B responds first and gets re-joined onto the multicast. It is now Box A that may get pruned if it is consecutively slower.
How do I prevent the switch from replicating the Join message out to the other Set Top Box? I have verified this behavior with Wireshark. But, I believe the Join message is only supposed to be forwarded to a multicast router (if there is one - and there isn't), not to other ports.The 2960 is running 12.2(58) SE2.
So i'm behind a fiber 100mbit connection, and for the past few weeks i've been noticing overall slowness on everything video related, from youtube to any kind of stream using flash video.If I try to watch a video on youtube it will constantly buffer, the same with stuff like ustream and the like.
The odd thing is that I have VPN service that I use to avoid regional restrictions, and when I use it to stream anything, then all the videos and streams are silky smooth and load pretty quickly which is odd since It should work on reverse. Also, a speed test through the proxy gives me no more than 10mbit, while without the proxy I get 95+mbit.
Is it something with the router? I've never heard of the ISP throttling stuff.Like I said, everything works perfectly, except video streams. I can max out torrents at more than 10 MB/s.The router im using is a D-link dir-855 (provided by my isp). I head about disabling QoS.
I recently switched providers and now i'm down to a 1.5 MBPS download speed (advertised at 3 MBPS but our area is only serviced for half that) so I'm trying to find something that will smooth out the capabilities of my PC's with streaming videos and such for my nephew on sites like disney.com and other sites. I can post specs later if you guys need em but one PC which I know its issue, it is around 10 years old so I'm not expecting great performance. The knew one though is only a year old with 1GB DDR2 Ram and windows XP Home. The older one has 512MB Ram....I think its SD with windows XP pro. Again I can post full stats later if needed but not really trying to trouble shoot. More looking to boost. We run 2 computers and a Wii off our wireless modem. I'm curious if somehow the computers could be configured to operate on seperate...ports I guess to minimize the lag on the modem. We are noticing that if one computer is downloading something it cause the second computer to lag or makes streaming anything all but impossible.
View 4 Replies View RelatedI want to use a D-link WB-2310 wireless router to receive a wireless signal. Downstairs, connected to a cable modem (11MBPS), is an intel iMac running 10.4 that can send out its own wifi signal (internet sharing). Upstairs will be a PowerPC G5 Mac running 10.5 that has no wireless card...I was hoping I could use the router in place of a wireless adapter.
View 3 Replies View RelatedWhy do we need MP-BGP (and not BGP) to exchange multicast prefixes between multicast domains?
View 2 Replies View RelatedI try to pass multicast traffic between two vrf on the same 3750 switch. I have IP services IOS and sdm template routing.
here is my config:
ip routing
!
ip vrf vpn2
rd 1:1
mdt default 232.1.1.1
route-target export 1:1
route-target import 1:1
[code]....
Now I'm stuck - I don't know what to do to pass multicast traffic. Do I have any chance to run this config on 3750 chassis?Perhaps "Configuring Multicast VPN Extranet Support" document will be useful, but it concerns Catalyst 6500? [URL]
my laptop was used by my Mother, So when i got back The anti virus guard got unknown error Avira free vers, and i had services.exe infected, and i had already found a way to clean it it, by renaming services.exe to services.bak and putting another computers services.exe.
[code]...
Application can connect, but doesn't get any response back. Bypassing router solves the problem.Looks like there are not too many settings I can change allowing/disallowing particular ports for outgoing traffic.How to fix this so I can watch mms streams?I called DLink support, opened the case DSI-400-927087.First rep there suggested to turn on multicast.Then rep asked to change link speed from Auto 10/100 to just 100Mb and to reduce MTU from 1500 in increments to 1400. So I had to revert to my old Linksys router BEFSR41 from 8 years ago. This one works fine with MMS streams.
View 8 Replies View RelatedI am currently wirelessly streaming BR rip movies from my PC tower to a PS3. I have a gigabit connection from the PC to the router (D-Link DIR-825) which is broadcasting (5Ghz 'N') to a D-Link DAP-1522 bridge. Gigabit connection from the bridge to the PS3. The router is reporting a 70-75% connection with 240mbps, although I am realistic and don't expect that. I had been ripping and compressing my BR movies to 4-8GB. I had never noticed any trouble with these because my network can easily handle the additional traffic if it had been doubling or tripling these. I recently purchased a 2TB HDD and decided to just rip and not compress a few of my favorites. So now instead of a 3-10Mbps stream I have 15-45Mbps streams. I am ripping them straight to an .m2ts container (AVC/AC3) when the original video codec is AVC and converting to .mp4 (AVC/AAC) with Ripbot if the original codec is VC-1. Neither container makes a difference.
What's happening is that when I stream these uncompressed BRs, the picture and audio stutter and jump (indicating a bit-starved network connection). When I check the bitrate reported by the PS3, it is showing 80-150Mbps. I have run these video files through Bitrate Viewer just to be sure, and they are all running at normal bitrates, i.e. <50Mbps. Somewhere along the line, my network is doubling or tripling the stream. I have used both Mezzmo and TVersity as my DLNA servers with the transcoding turned off. The files playback fine at the expected bitrates on the PC with VLC Media Player.
Also, the problem is not with the wireless bridge. I was linked with a Linksys WET610N, while working on this problem, I attempted to update the firmware and bricked it. If anyone needs a DOA WET610N, they can have it for the cost of shipping. The DAP-1522 is getting a better signal and reporting a higher bitrate ceiling than the Linksys was.Is there a PC or router setting that could be causing this? I have even done a reset to restore the factory defaults on my router, but it hasn't made a difference.
I've been looking for a way to detect the level of traffic caused by unknown unicast traffic on a Catalyst 6509.I have found mechanisms to mitigate it but nothing to actually detect/measure what the levels might be.
View 3 Replies View RelatedWe have a problem with NLB on a SG500-28P which is a major issue for us.
I am investigating a problem together with Microsoft Support about a download/upload performance issue with a Microsoft Forefront TMG array which is connected to a single SG300-28P. Àpparently this issue exist on every NLB array we implement. I am now at the point we asume the SG500-28P does not handle NLB in unicast mode very well.
We have a network topology as shown below:Please note the actual public IP Addresses are hidden and the internal IP Addresses are diffrent, for security reasons.
Our SG500-28P is configure in L3 mode. It hosts three subnets you see above. The two TMG servers are configured with NLB (in unicast mode) on the Internal Network and External Network interface. It is connected to the internet and our internal network. These TMG Servers are in fact Edge Servers. Our other servers and client are in a different VLAN. The default gateway flows through this NLB Cluster [10.250.0.254].
Problem: When a client uses its default to connect to the internet the performance is very and very slow. With an internet connection of 10/10 we get 10/2. With an internet connection 100/100 we only get 7/1!.
Now we have tried everyting we can imagine. I can't write down all, because that would be a lot. One thing is worth notice; When we move the client to the same VLAN as the NLB Cluster and the client uses 10.250.0.1 as its default gateway, the problem still exists. But... when the client uses 10.250.0.254 as its default gateway the performance is outstanding 95/95! Apparently if traffic for the NLB Cluster is routed through the SG300-28P the performance drops like a rock.
I have never seen this before with SG300 series switches, although this environment is different. Normally I would configure NLB in multicast mode. But the switch does not allow to add static ARP entries for multicast MAC Addresses.I know NLB in unicast mode introduces switch flooding and such. But why does the SG500 not handle this right? Is there anything I can do about it?
I was wondering if the following scenario would work:
2 Microsoft TMG servers (could be any W2K8 R2 based server, e.g. UAG, Exchange etc.) configured for Unicast NLB. The servers are connected to separate L2 switches which are connected to a highly available central L3 switch (see attached drawing).
Unicast NLB works in such a way that it uses a shared virtual IP and a virtual MAC addres which is not used as Source MAC address when the TMG servers are respondign to requests.Basically it relies onto the fact that the switch does not learn the virtual MAC address and floods all packets destined to the virtual MAC on all ports. The L3 switch would learn the MAC through ARP. The question now is, what the L3 switch would do, if it receives a packet destined for the NLB VIP. It should do an ARP request in order to receive the virtual MAC. How would he decide on which port(s) to forward the packet as he does not know on which port the MAC is found. Can he make a decision based on Layer 3 (IP/VLAN based) therefore he knows that the VLAN for the TMGs is connected on those two uplink ports?
I need to front-end my ISP's router with another, giving me a DMZ. I have bought an EA2700 for this but I can't find how to configure it.
I plan to have the DMZ network as 10.1.2.0/24, with the ISP's router at 10.1.2.254 and the EA2700's "upstream" connection as 10.1.2.1. The internal network (where most of the clients reside) will then be 10.1.1.0/24, with the EA2700 itself at 10.1.1.254 and a DHCP range 10.1.1.100 upwards.
On the basic setup screen I've set the Internet connection type to fixed IP, 10.1.2.1; I've set its default gateway and DNS1 as the ISP's router at 10.1.2.254. Then further down in network setup I've entered the *internal* address 10.1.1.254 and set the DHCP range and netmask appropriately. I'm getting the error message "The IPv4 address and gateway are not in the same subnet mask". But the only gateway I've entered is the one by which the *EA2700* knows how to route upstream traffic, viz the ISP's router at 10.1.2.254. Or am I misunderstanding?
More fundamentally, can the EA2700 be configured in this way?
We have problems with 3 switches in our network.
Users continues receive adresse via DHCP, but no traffic was forwarded. After reboot switch works fine about one week and problem arrives.
I telnet to one problem switch and try to found reason by reaply acl and source guard and saw some strange message:
nov-20(config)#int r gi1-48
nov-20(config-if-range)#no service-acl input
nov-20(config-if-range)#service-acl input 2
Exceeded the maximum ACE allowed in the system. -repeated 48 times
Configuration and log int attachment (show tech-support)
port 52 - uplink, 1-47 - users, 49-51 - downlink switches (SPS224g4) with aprox 200 pc connected. 48-ups
i recently identified all switch ports in my network on 6509 core were Transmitting Mail server Exchange traffic that was destined for Unicast NLB cluster. and it was impacting various HOST machines NIC cards/performance.After reading this article, i moved NLB CAS servers behind a dedicated cisco Switch.
[URL]
Now My core switch can learn mac address across its trunk port where CAS servers are connected on dedicated switch. but still i can see traffic Transmitting out to my all switch ports of same VLAN ( same as NLB VLAN).
I have a serious problem with nexus 7018, there're unicast flooding on one n7k, named n7k-1, which is the member of vPC domain combined with 2 N7Ks. [code]I had clean the mac-address-table, and all mac-address-tables had been synced fine, and the unicast flooding went away.
How could I fix the mac-address sync function between the modules ?
I am trying to configure site to site vpn between Cisco ASA and Cisco router 3825, I need to establish the vpn connection with an interface that has security level of 90.I followed the procedure shown in the following link: URL.
View 6 Replies View RelatedI'm having an issue with my network, where we're are experiencing random and brief network outages. They happen a couple times a day and last 5-10 seconds. when I check my two backbone switches (4506 : Supervisor: WS-X4516-10GE ,IOS : cat4500-ipbase-mz.122-31.SGA8.bin), STP remains normal and no topology change occurs.
View 16 Replies View RelatedI'm setting up a large rambler house with a large footprint, and the only broadband connections are at opposing points of the house. Right now, I'm using two Linksys WRT54GS routers running Tomato in a WDS setup. A router, positioned in the middle point of the house, acts as a wireless access point so that the computer on the far end of the house can pickup the wireless signal. (One WRT54GS on its own doesn't have the power to go all the way across the house.)
I would like simplify things with a single, hi-power, hi-speed router at one end of the house. I know I can get better speeds with Draft N routers, but I need more signal strength as well. Are there any products currently available that can perform much better than my WRT54GS routers right now?
I need to go about 125 feet, through a number of walls.
There is a unicast flood on 3750 killing slow modem links. How to determine source MAC address of flooder? Is there a rate limit feature for it?
I know how to block it completely on port-level, but it breaks normal network operation. (when port goes down for some reason, it's learned MACs got flushed and since other hosts know MACs, they keep flooding untill their arp caches expire).
Trying to convert a spare router (Linksys E3200) into a wireless access point to extend my wireless coverage. I thought knew how to do this but having a problem.The problem I am having is that after I finish step 2 the router reboots with the browser trying to access it at the new ip address. But the browser will not connect.I am doing this on a laptop that is disconnected from my network while I am working on the E3200. It is connected by an ethernet cable. I also tried it wireless with the same result.
View 3 Replies View RelatedHow do you convert a D-Link router into a repeater?
View 1 Replies View RelatedWe have a couple of smaller remote locations running cisco 1811W routers (built in switch ports & wireless).Now I have been tasked with determining if the wireless portion can be converted to Lightweight or not; if so what is required.
I am running
WCS 7.0.230.0
WLC 5508 (same code)
I have a problem with the router Linksys RV042, I made a backup of it that contains a file with the extention .exp Now we have buy a new Rv042 made by cisco and the backup file is .config the question is how I convert the .exp file to a .config file so I can Restore the backup in to the new router?
View 1 Replies View RelatedI have an ADSL router like the one showed below & internet from the provider via a RJ45 cable.
I need to share the incoming internet from the RJ45 cable to the remaining three RJ45s & over the wireless. How to configure the router to get this working?
Also the internet provider needs me to authenticate via their default webpage before I can access the internet & I can say it doesn't have any MAC binding.
How do I convert my wireless router to a wireless AP (Access Point)?While connected to the main router go Start then Run in XP - (Windows key plus R in Vista and Windows 7), then type in the following, including all the spaces:- cmd /k ipconfig /all -- then press Enter and from the black form that shows up, take a note of the numeric code beside the word "gateway" -- usually something like 192.168.0.1. Type exit to close the black form.Now connect the router to be converted only to a computer via network cable and log in Setup the wireless security Disable the DHCP and change the LAN IP to match the gateway IP but ending in something like .253 Finally connect one of the four LAN ports of the AP to the main router, do NOT use the WAN port.
View 4 Replies View Related