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- About arudolph_emd
08-18-2017
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Member since
03-16-2010
16
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09-21-2011
05:47 AM
Thanks for the reply Dominic, that is what I ended up doing to make it work. I just wish it would stay consistent. I have an older 4507 chassis with Sup IV and you apply everything on the physical interfaces on that one, nothing to the port-channel interface.
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09-16-2011
11:27 AM
Mike, No, you do not need to assign a default gateway to the 2nd NIC. In fact, be sure that you don't assign one or it could cause routing issues with the other NIC. You will only have 2 usable addresses for hosts in the /30 plus the identifier and broadcast addresses. With the 2nd NIC of each server being in the same /30 subnet, they will be able to communicate over the link without a router/gateway. Also, make sure that the new /30 subnet doesn't overlap with any other subnets in your network or it will cause issues with these 2 servers being able to communicate with the 4 IP addresses that make up that /30. Also, just an FYI... If this is something you need permanently, you may want to consier upgrading equipment to get the gigabit bandwith on your regular LAN or even using NIC teaming. With one of these servers being in your DMZ and the other on the internal network, it's not the best idea to directly connect them and bypass any firewallls, IDS, etc that may be in place. Andy
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09-16-2011
09:07 AM
Hi Mike, If you don't create a VLAN interface with an IP address for the new vlan, you don't have to worry about it comminicating with your other VLANs. Just create the VLAN and assign your 2 ports to it. Then assign the 2nd NIC of the two servers addresses in a /30 subnet that the can commincate with each other on. You could also just run a crossover cable between the two servers and assign the /30 addresses to them to avoid having to change anythign on your switches. HTH Andy
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09-16-2011
06:23 AM
Hello, I have a 4510R-E chassis with SUP7-E running IOS XE version 3.01.01.SG. I am unable to create a port-channel and apply auto-qos for VOIP. If I configure auto-qos on the physical interfaces, I get this message when I try adding them to the port channel: "The attached policymap is not suitable for member either due to non-queuing actions or due to type of classmap filters." Auto-qos is not an available command in the port-channel interface configuration, but if I try adding the service policies that were created by auto-qos to the port channel manually, it lets me apply the input policy but on the output policy I get this message: "A service-policy with queuing actions can be attached in output direction only on physical ports." With the input policy applied to the port-channel interface, I tried addign the output policy to the physical ports and I got this message: "A service-policy with non-queuing actions should be attached to the port-channel associated with this physical port." Is there a way to get the auot-qos policies applied to the port-channel properly? Thanks, Andy
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07-25-2011
08:09 AM
Thanks Jon, I confirmed that this works today. I guess I was expecting it to be more difficult than it is... Thanks again.
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07-21-2011
10:50 AM
Hello, We have 2 ISPs and are currently running BGP to advertise a subnet that was re-assigned to us from one of the ISPs. We just received a direct IP assignment from ARIN and need to migrate to the new subnet we received so we can return the old subnet to the ISP. It seems pretty straight forward as far as the routers go. I plan to notify the providers of the new subnet and then just add secondary IP addresses from the new subnet to the router interfaces in the old subnet and then configure BGP to advertise the new subnet. I'm not sure how to handle this on the ASA firewall that is behind the routers though. The "outside" interface of the ASA is currently assigned an address from the old subnet and then has static NATs to translate other addresses from that subnet to hosts behind it. I was hoping to add a secondary IP to the outside interface just like the routers and then configure that NATs and access rules so we could migrate hosts individually and test. It doesn't seem that the ASA allows for secondary addresses though. Is there another way to approach this? Any help would be appreciated. Thanks.
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03-08-2011
11:59 AM
The diagram is how I was picturing it. Am I understanding correctly that your trace route makes it to the same point before stopping with both the 1841 and the Linksys? Also, for the router passing along the DNS settings thatit receives on Fa0/0 to it's DHCP clients, this is possible. However it also looks like you need a command for it to do this that is not appearing in your config examples above. You would need to enter: ip dhcp pool mypool import all The other settings you specify in the pool config, such as lease and default router, will override what is imported from the dhcp client on Fa0/0. Did you try the nslookup or ping after clearing the DNS cache? It still seems to me like it may just be a name resoltion issue, especailly if your trace routes do look the same when done on the 1841 and the Linksys.
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03-08-2011
11:06 AM
It is possible that the DNS servers from the Fa0/0 interface are getting passed along. I've never actually dealt with a secnario where the router is obtaining it's address from DHCP, it's always been set statically. But, if you are swapping back and forth between the working Linksys and the Cisco router, it also could be that you have yahoo.com and any other names that you looked up while on the linksys stored in your DNS cache. The ping command would use the cached address if it is available. One quick way to find out is do "nslookup yahoo.com" from a command prompt and see if you actually get a response back from the DNS server(s). You could also do "ipconfig /flushdns" (assuming you are using Windows) to clear the cache and then try the ping again to see if it still works. Andy
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03-08-2011
10:21 AM
Hello, How are you testing for Internet access, with a web broswer? I noticed that your DHCP pools you created on the router don't provide DNS servers as part of the address assignment. If you are not manually setting the DNS servrers on the PC to get around this, it will not know how to look up the websites that you try to access. You can try adding this command to your DHCP pools: dns-server 4.2.2.1 4.2.2.2 Where 4.2.2.1 and 4.2.2.2 are publicly accessible DNS servers. If your school doesn't allow outbound DNS traffic, you'll have to find out what the internal DNS servers that you need to use are and swap them in place of 4.2.2.1 and 4.2.2.2. Hope that helps. Andy
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Created by
arudolph_emd
in IP Telephony and Phones
in IP Telephony and Phones
02-16-2011
12:33 PM
02-16-2011
12:33 PM
Hello, I have a vg224 with a mix of fax machines, modems, and analog phones attached to it and a 2811 router as the PSTN gateway. Both are configured as h323 gateways. In order for faxing to work, I had to enter the "fax-relay ans-disable" and "fax-relay sg3-to-g3" commands under "voice service voip" on both devices so that faxes would not negotiate sg3 speeds and fail. Now the modems cannot dial out. If I remove the "fax-relay ans-disable" command from just the 2811 gateway, the modems work again but faxes to/from sg3 capable fax machines fail. Is there any way to disable / enable the ans tones based on the calling source at the 2811 gateway? Thanks, Andy
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Created by
arudolph_emd
in Other Collaboration Subjects
in Other Collaboration Subjects
10-05-2010
07:13 AM
10-05-2010
07:13 AM
Thanks for the respones Tomas. I think I have a bad unit. I came in this morning and was going to try this, but I can't web or FTP to the DMP at all now. I tried resetting with the button on the back also, but it just has the red and green lights on now and doesn't even give a splash screen when booting up. Looks like it's time for a call to TAC.
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Created by
arudolph_emd
in Switching
in Switching
10-04-2010
09:20 AM
10-04-2010
09:20 AM
You cold create another VLAN with the 10.10.10.0 subnet or you could add it as a secondary subnet on your existing interface in the same VLAN. If you don't want to use another VLAN, try this: interface Gi0/1 ip address 10.10.10.1 255.255.255.0 secondary Your DHCP clients may get mixed addresses between the two subnets though. The best way to do it would be the additional VLAN. Hope that helps.
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10-04-2010
09:07 AM
Assuming your remote sites should use the internal IP to access the appliance, you can exempt your remote sites from NAT. access-list permit ip nat (outside) 0 access-list You can tweak the IP's of the site(s) / aplliance(s) to meet your needs and change "permit ip" to the port(s) you require if you don't want to expose all ports. Hope that helps.
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10-04-2010
08:51 AM
Hello - I have a DMP-4305G that I am trying to upload a .swf file to via FTP. I am able to FTP files to the root directory, but but the files put here get deleted on reboot. I need the file to be in the usb_1 directory so it is kept after a reboot. I am able to do this on 4 other DMP's of the same hardware and software versions with no problem. I have the FTP server turned on and the internal storage is set to "Read and Write". When I try to upload a file to the usb_1 directory, I get "552 Could not create file." Does anyone have an idea what would be causing this? Thank you.
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Labels:
Created by
arudolph_emd
in Switching
in Switching
06-11-2010
02:17 PM
06-11-2010
02:17 PM
You could look into something like MPLS or L2TPv3. L2TPv3 is easier to configure, but lacks features such as traffic engineering and has more overhead than MPLS. Both allow you to encapsulate layer 2 traffic (VLANs) over layer 3 (IP) interfaces. Would you really want to extend the broadcast domains of those VLANs over your WAN links to remote sites though? You will be adding the overhead of MPLS / L2TPv3 as well as the additional broadcast traffic that would normally be contained to you LAN. This could have significant impact on you WAN links. Regards, Andy
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09-21-2011
Thanks for the reply Dominic, that is what I ended up doing to make it
work. I just wish it would st...
09-16-2011
Mike,No, you do not need to assign a default gateway to the 2nd NIC. In
fact, be sure that you don't...
09-16-2011
Hi Mike,If you don't create a VLAN interface with an IP address for the
new vlan, you don't have to ...
09-16-2011
Hello,I have a 4510R-E chassis with SUP7-E running IOS XE version
3.01.01.SG. I am unable to create ...
07-25-2011
Thanks Jon, I confirmed that this works today. I guess I was expecting
it to be more difficult than ...
07-21-2011
Hello,We have 2 ISPs and are currently running BGP to advertise a subnet
that was re-assigned to us ...
03-08-2011
The diagram is how I was picturing it. Am I understanding correctly that
your trace route makes it t...
03-08-2011
It is possible that the DNS servers from the Fa0/0 interface are getting
passed along. I've never ac...
03-08-2011
Hello,How are you testing for Internet access, with a web broswer? I
noticed that your DHCP pools yo...
Created by
arudolph_emd
in IP Telephony and Phones
02-16-2011
02-16-2011
Hello,I have a vg224 with a mix of fax machines, modems, and analog
phones attached to it and a 2811...
10-05-2010
Thanks for the respones Tomas. I think I have a bad unit. I came in this
morning and was going to tr...
10-04-2010
You cold create another VLAN with the 10.10.10.0 subnet or you could add
it as a secondary subnet on...
10-04-2010
Assuming your remote sites should use the internal IP to access the
appliance, you can exempt your r...
10-04-2010
Hello -I have a DMP-4305G that I am trying to upload a .swf file to via
FTP. I am able to FTP files ...
Created by
arudolph_emd
in Switching
06-11-2010
06-11-2010
You could look into something like MPLS or L2TPv3. L2TPv3 is easier to
configure, but lacks features...
Public Statistics
| Date Registered | 03-16-2010 05:42 AM |
| Date Last Visited | 08-18-2017 03:51 AM |
| Total Messages Posted | 16 |
| Total Helpful Votes Received | 1 |
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