Cisco Switching/Routing :: 2800 Series Router - Multicasting Windows Deployment Services
Mar 25, 2012
We have recently implemented Windows Deployment Services on our local network, but everytime we do a multicast image deployment the network get flooded to point of total saturation.
We have Netgear switches and a Cisco 2800 series router. IGMP Snooping has been enabled on all Switches, however, we are unsure on how to implement multicasting on the router.
The whole network is flat - no VLANs over than the default VLAN1. We only want multicasting to work within our local network and does not need to go out the other side of the router as that is the connection to the internet.
How to get the Cisco router configured properly to enable multicasting to not flood the network. It seems that even if we were to image 4 PCs using multicast this is enough to completely get the network flooded.
Also, am I right in thinking that IGMP needs to be enabled on all of the Switches?
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Nov 7, 2011
i'm using some catalysts 3560 with 10 VLANs and inter vlan routing. we use a windows deployment services server to install our workstations. the pxe boot works fine. the image is loading, and when the windows 7 PE is booting, the dhcp request failes. when i use a small not manageable switch between the computers and the catalysts, it works fine.all other things work fine.
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Feb 21, 2013
WDS allows you to capture and deploy images on a network to client pcs. I Was wondering how many images wds allows you to capture and deploy and if there were any work a-rounds that would allow you to deploy more.
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May 22, 2013
I have Router 2800 series Global nating is configured on it.
ip nat inside source list 111 interface Dialer1 overload
!
access-list 111 deny ip 192.168.1.0 0.0.0.255 192.168.0.0 0.0.0.255
access-list 111 permit ip 192.168.1.0 0.0.0.255 any
My object is that i want give internet access only for few users ip E.g IPs addresses from range 192.168.1.0-10 can acess intenet access other all are deny.How i do this with ACL .
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Aug 16, 2012
I am trying to add WCCP to be configured for websense. My first option seems to be either purchase an IPServices license for the stack of 3750E switches, but i am thinking this will require us to license all three switches in the stack. The second option i am looking at is to do the WCCP configuration on the 2800 router we have on the edge. The problem is both Gig ports are in use, one going to the firewall and the second going to the ISP. My first question would be, which option is better in terms of manging as well as cost of implementing it.The second question is, if WCCP on the router is a better option, what is the add on module i should be looking to get to add the additional ports to hook up the Websense cache.
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Nov 15, 2011
I just read the Removing and Installing CompactFlash Memory Cards in Cisco 2800 Series Routers instructions and there was nothing said regading powering down the router. Are these CompactFlash cards hot swappable??
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Aug 21, 2012
I'm trying to turn off SSH version 1 & 2 to pass PCI compliance. Problem is, I cannot touch the VPN link between the two offices. I'm afraid the PKI certificate used for the VPN will be deleted if i zeroize the RSA key which seems to be the only way to stop the router responding on port 22.
Here is the stuff from the running config related to the crypto map:
crypto isakmp policy 1
encr 3des
authentication pre-share
group 2
[ code].....
I'm only CCNA so I'm not even sure if the certificate or RSA key is being used for the VPN link, but I can't tell from the running config that zeroizing it would be a good idea and not break the VPN. I'm open to other ways of disabling SSH, as we are able to just connect using a console cable. But it looks like denying port 22 with an access-list doesn't even stop the router from responding to the port.
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Jan 25, 2013
My Cisco seems to be stuck when it boots up, with the following:
Upgrade ROMMON initalized
And it goes on with self comperessing image then an OK but then it starts loading again all over.
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Aug 3, 2012
Is there a way to set static routes per VLAN?Example VLAN 100 sends all traffic to 192.168.1.1 and VLAN 200 sends all traffic to 10.1.1.1. (2800 Series RTR)I have 5 networks that have their own gateway to the Internet via satellite link. Those networks run over the same infrastructure on separate VLANs. They frequently send traffic to each other, which gets sent over a slow SAT link. I introduced a router to the network and would like to set all my hosts default gateway to the local routers sub-interface then have a static route that send all traffic that is not on one of my 5 networks back to that VLANs respective SAT modem to get routed out over the Internet.
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Jan 31, 2012
In a site we currently have 1 BT provided ADSL link which is currently terminated using their device which I believe is some kind of 2wire device, which is extremely slow due to distance from the Exchange (4Mbps)...We have a growing number of users here and want to install a second ADSL line from BT to give them increased performance.
We have a Cisco 2800 sat not doing much so I was wondering if I could use this to load balance the link? I know BT do not support MPPP so therefore the maximum any user can get will be the speed of a single link (4Mbps)...But basically how can this be done..
Can I leave the two BT routers in place and place the Cisco 2800 behind them, or do I need to purchase two ADSL modules for the 2800 and terminate the connection there?Also once done, what do I need to do regarding actually setting up the load balancing? I have seen this:
[URL]
But am unsure as to how relevant it is? I am not sure I understand what the ACL's are being used for? I just want all users on the LAN to load balance out...
Also I am unsure of this statement:You potentially need to add policy-based routing for specific traffic to ensure that it always uses one ISP connection. Examples of traffic that require this behavior include IPSec VPN clients, VoIP handsets, and any other traffic that use only one of the ISP-connection options to prefer the same IP address, higher speed, or lower latency on the connection.I do not understand why a established session such as a VPN client, would ever traverse the second ISP connection anyway?
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Jun 2, 2012
why I can't use cisco ehwic-3g-hspa-u card in cisco 2800 series and 1841 series router?documentation said that it should work with that devices but when I installed it, it doesn't work even as device i can't see I am using cisco latest ios advance ent. 15.1(4)M4?
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Feb 28, 2012
Within our small lan we have a core 3750, that handles our intervlan routing and is the core of the network. I recently looked into multicasting and set up a lab test with a 3550 with an EMI image and got the config to multicast to all vlans from one vlan, ready to go, at which point I found that our 3750 is IPBASE and doesn’t support multicasting. Currently upgrading the switch or image is not an option due to funding. My question is would it be possible and advisable to install our lab 3550 as a leg off the core, and in some way route multicasting traffic through that?I just cant get my head around the concept of having a core switch essentially routing all vlans, and then having another switch route the same vlan traffic again for multicasting to all the vlans again.
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May 7, 2013
i have one cisco router 2811 now its not booting normally.
Router was working without any problems but due to power loss router restarted and goes into rommon mode
I tried to boot from flash and usbfalsh with different images but no use router is in still rommon mode.
here the output of my router:
program load complete, entry point: 0x8000f000, size: 0x3117470
Error : compressed image checksum is incorrect 0x8E095E7F
Expected a checksum of 0x8E0AE77F
*** System received a Software forced crash ***
signal= 0x17, code= 0x5, context= 0x80014e20
[Code].....
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Dec 17, 2011
We plan to implement multicasting on our network where the sourec and destination are going to be in different vlans.I have a test 3750 switch, Layer two multicast works fine, when I place the source and destiantion in different VLan it fails. [code]
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Oct 3, 2011
Any problem/issue with using 28VDC to power the 2811 router. The spec calls for a 24VDC power.
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Jan 10, 2011
i have Router 2800 series we are using leased line Connection 8 Pubilc IP.One IP Config in Router FE0/0 IP 101.102.148.91 and FE0/1 192.168.0.0 Local IP.I have 6 Web Server. How to Config other 7 IP address on Web server in the router 2800 series.
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Jun 29, 2011
I have a comcast business class cable modem and am trying to connect it to my cisco 2821 to route only certain types of traffic.
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Feb 11, 2013
How do i enable InterVLAN MultiCasting. I have a WS-C3560G-24TS as my core switch and it does InterVLAN Routing. I have a Server VLAN (70) and Workstation VLAN (71). I have a server that i have set up to deploy images to computers. Up to this point i have only done one computer at a time, so unicasting was ok. I would like to be able to Multicast to multiple computers, but am unsure what i need to do on the switch (if anything) to enable this.
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Jan 28, 2013
when enabling multicasting on layer 3 interfaces the CPU becomes fully utilized , is there any specific configuration should be enabled to reduce this .
Config :
Inetface vlan 100
ip pim sparse-dense
ip igmp version 3
[Code]......
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Sep 27, 2011
I have a 2801 running c2801-spservicesk9-mz.124-3g.bin According to the Cisco IOS MIB locator the image supports OLD-CISCO-SYSTEM-MIB I have tried .1.3.6.1.4.1.9.2.1.55 etc to set server IP address and the filename string but without any luck.e.g.
Reason: (noSuchName) There is no such variable name in this MIB.
Failed object: iso.3.6.1.4.1.9.2.1.55.a.b.c.d (where a.b.c.d is the server IP)
I have also tried the method similar to that for Cat 3550 switches where you create a table of entries to define the transfer paramaters then activate the transfer (I think the CISCO-CONFIG-COPY-MIB)
e.g.
[URL]
C:>snmpset -v 1 -c private <device name> ccCopyProtocol.<random number> integer 1 ! 1 = tftpccCopySourceFileType.<Random number> integer 1 ! 1 = networkFileccCopyDestFileType.<Random number> integer 3 ! 3 = startup & 4 = runningccCopyServerAddress.<Random number> ipaddress "<server ip address>"ccCopyFileName. <Random number> octetstring "<file name>"ccCopyEntryRowStatus.<Random number> integer 4 ! 4 = createAndGo, or 1 = Active
To write net have the source as running (4) and the dest as network (1)
ccCopySourceFileType.<Random number> integer 4
ccCopyDestFileType.<Random number> integer 1
Clean up at the end - destroy .14 with the value of 6.
example output : -
-- earlier output omitted --
Error in packet.
Reason: (noSuchName) There is no such variable name in this MIB.
Failed object: iso.3.6.1.4.1.9.9.96.1.1.1.1.4.111
Error in packet.
[code]...
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Nov 24, 2011
Our switch model is "Cisco Catalyst Blade Switch 3020 for HP" We are building HA (High Availability) Databases infrastructure.Currently, there are two nodes(hosts- servers) and two above switch for HA.
Oracle said we need to turn off the IGMP Snooping in order to use the multicasting for their interconnect communication.So my question is:
Q1> Is there any way to use Multicasting without turning off IGMP Snooping on Switch side?
Q2> If 'yes', how can we configure the switch for Multicasting ?
Oracle uses 230.0.1.0 & 224.0.0.251 IPs with 42000 range port for Multicasting communication.
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Oct 16, 2012
Needing to upgrade IOS on 2800 router from c2800nm-advipservicesk9-mz.123-14.T7.bin to c2800nm-advipservicesk9-mz.124-15.T13.bin. I noticed ther are several other files on the old code that may needed for booting up router but Im running low on memory. The other existing files are ;
c2800nm-advsecurityk9-mz.124-3i.bin
securedesktop-ios-3.1.1.45-k9.pkg
sslclient-win-1.1.4.176.pkg
Do I need these files for the upgrade or can i delete them when upgrading to 124-15.T13.bin. ?
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Aug 19, 2012
I have 2800 series router which is directly connected to ISP. How can secure the router from outside access; I am totally new to the security concepts.
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Oct 25, 2012
I have a pair of router Cisco 2800 running in HSRP, now I want to configure one sub interface with another sub net, Will my current IP on physical interface work or do I need to create two Sub interfaces for each network. Do i must need encapsulation on sub interface
Current Config:-
Router 1:-
interface FastEthernet0/1description Connect to LAN_SW1 Gi1/0/1ip address 192.168.1.13 255.255.255.0no ip redirectsduplex autospeed autostandby 1 ip 192.168.1.1standby 1 priority 90standby 1 preempt
Router 2:-
interface FastEthernet0/1description Connect to LAN_SW2 Gi1/0/1ip address 192.168.1.3 255.255.255.0no ip redirectsduplex autospeed autostandby 1 ip 192.168.1.1standby 1 priority 110standby 1 preempt
For second network I do not require HSRP
Router 1:-
interface FastEthernet0/0description Connect to LAN_SW1 Gi1/0/1no ip addressduplex fullspeed 100
[ code]...
Router 2:-
interface FastEthernet0/0description Connect to LAN_SW2 Gi1/0/1no ip addressduplex fullspeed 100
[Code]...
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Feb 22, 2013
I have a cisco 2821 router where as a cisco 2960 switch with connect on router as a trunk & one user vlan . this is my WAN router all traffic are internal . i have 2MB data connectivity on my WAN side. i have to Give a specific Bandwith on my SAP traffice . like when SAP traffice will come they all time get around 50 % bandwidth of my channel. If SAP resuest are not comming then other traffice will get full bandwith .
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Jan 1, 2013
we have a 2800 series router functioning as our internet router and it will only forward packets to addresses with host entries in the routing table even if the network is directly connected.
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May 12, 2012
I got a Cisco 2800 router and am planning to use FastEthernet 0/1 to trunk in 802.11Q VLAN's to cater for some of our radio links. speed and operation of the sub-interface that will be created. Or explain it here. We got a radio link that we want to trunk into this Cisco 2800 and it is suppose to be connecting at 100Mbps but currently operating at around 80Mbps. Reports shows that the max in and out traffic for this link this year till today is 25Mbps. Will it not fail teh CPU etc ?
interface FastEthernet0/1
no ip address
!
[Code]....
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Feb 19, 2013
I wan to migrate from a router 2800 to L3 switch 3750G , the thing is that we have several vlans and we use a router sometimes with each interface configure with correspoinding vlan subnet ip to route traffic between vlans there is no static or dynamic routing only directly connected interfaces on router routing traffic to each other ?How would i configure a L3 switch interface for simillar functionality , below is my current router configuration
!
ip domain name yourdomain.com
multilink bundle-name authenticated
!
vtp mode transparent
[code]...
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Apr 20, 2013
open specific ports on 1941w Integrated Services Router.This specific router is a wireless VPN router that has a wired module and a wireless module and VPN so I'm getting 3 subnets on my network - 192.168.1.. for the wired connections, 10.100.1.... for wireless LAN connections and 10.100.2... for VPN remote connections.I know that by default all connected computers can access my Linux server data through telnet so the telnet port is open by default, the problem is that I have some other software licensing system on my Linux box that needs to be accessed through port 27000 and most of my users are using wireless connections and can't access that license because post 27000 is closed.what is the comand to open this post or any other port that I need to be open on the wired module, wireless module and VPN or at least poit me to somewhere where I can find all the commands that I can use for this router?
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May 16, 2013
We have our Nexus as our default gateway (101.1) and the default VLAN1 is setup with two subnets 101.X and 102.X. The DHCP server is using a superscope setup to accomodate the overflow of devices requesting IPs on 101, so when 101 is consumed persons are able to obtain a 102.X IP address. The setup is basic on superscope. The issue is some times the routing to the firewall with a 102.X is not always 100%. Somedays all goes well and the 102 subnet is routed out to the firewall and its a good day. However, such as today a 102.X address is not routing as it did 24 hours ago. I am perplexed as to why this is behaving unpredicatable. Here is running-config for VLAN1 to show the 102 as secondary address to VLAN1.
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Aug 10, 2011
We are looking to deploy an indoor mesh deployment in an area where radar might be an issue.know that when using 1500 series APs you cannot choose UNII-1 channels even if they are deployed indoors.My question is if you can use a UNII-1 backhaul with indoor APs (3600 series for example) in an indoor mesh deployment.
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Nov 19, 2012
I search at all cisco pages about support of VSS quad supervisor 2T support.Even relase notes, q&a etc. But until now I don’t found any pros or contra. Customer use the newest IOS 15.1.1-SY Customer uses already several system with quad sup720, has also experience.Customers actual state is:With quad sup 2T the 2nd sup2t of each VSS-chassis drops in rommon.Without VSS the same sup2t comes up either as active or standby!
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Aug 1, 2011
We've just discovered it seems the 2800 series aren't getting IOS 15.2?
We're running a 2851 for our CME and specifically want some features in CME 8.8...
End of Sale has been announced, but as it stands you can still purchase this router new today.
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