Cisco WAN :: 8510 Transitioning Away From ATM
Mar 7, 2012
We have 3 or 4 older sites that connect back to our central site using ATM over 2 T1s. This connection is for both voice and data. Equipment is a 3640 router and 8510 switch. These are our last sites on ATM, and we'd like to move them away from ATM as soon as we can.
Looking at the Cisco documentation, it looks like we could use 3925s at the central site and at each of the remote locations, with VWIC3 cards (we're using VWIC first generation cards now in the 3640s), and use the drop and insert capability to handle voice and data. I had done some setups like this at a previous job... it's been a couple of years, but hopefully I still got the concept. If I've got this correct, what do we need for the connection to the phone system?
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Jun 3, 2013
I found following spec in 8510 controller data sheet
Interfaces and Indicators
#• 2 x 10 Gigabit Ethernet interfaces
#• Small Form-Factor Pluggable (SFP) options (only Cisco SFPs supported): SFP-10G-SR
#• LED indicators: Network Link, Diagnostics
#• 1x Service Port: 10/100/1000 Mbps Ethernet (RJ-45)
However, I need Long Range SFP, i.e SFP-10G-LR
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Jul 27, 2011
Have been struggling with a connectivity issue following a recent power surge from a storm. A BVI from Cisco Catalyst 3600 cannot communicate with our local network.
We have several satellite connections which connect to us via ADSL. From these satellite offices I can talk to the Cisco 3600 we have here at our central office (BVI 10.60.112.1). There is a connection from the ATM port on the Cisco 3600 which goes to an ATM port on a Cisco Catalyst 8510 and there is an Ethernet connection from that 8510 to the core switch on our local network (Catalyst 6509).
Since I can talk to the 3600 without issue, I believe that the issue is the 8510 config.
There are only two ports in use on the 8510.The ATM port on the 3600 is connected to the 8510's ATM0/0/1.The 8510's ATM1/0/0 (622MM) is connected to our local network's core.There is activity on both ports of the 8510, but from the local network I cannot see 10.60.112.1 and from the 3600 I cannot see the core.
The 8510 config looks pretty default, like some things were "lost" during the surge (we had backups of the 3600 and not the 8510). The config goes as follows for the 8500:
[code]....
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Nov 25, 2012
I have a Cisco 8510msr that is connected back to back with a 7206vxr across a 155Meg connection.I receive lots of Output drops on the 7206vxr interface facing the atm switch. When I do the following command:-
kwdair9#sh atm int atm 1/0Interface ATM1/0:AAL enabled: AAL5 , Maximum VCs: 4096, Current VCCs: 27 Maximum Transmit Channels: 0Max. Datagram Size: 4528PLIM Type: SONET - 155000Kbps, TX clocking: LINECell-payload scrambling: ONsts-stream scrambling: ON797522 input, 881483 output, 203946630 IN fast, 223768062 OUT fast, 0 out dropVBR-NRT : 110288 Avail bw = 44712 <====
I only have 44megConfig. is ACTIVEkwdair9# I only get 44Meg of the available 155Meg.There is no QOS on the router and the only commands I can find that vaguely see that refer to QOS are on the ATM switch:-
atm address 47.0091.8100.0000.0007.0d87.b201.0007.0d87.b201.00atm router pnnino aesa embedded-number left-justifiednode 1 level 56 lowest redistribute atm-static?why this is acting like a DS3 link and not a 155Meg link?
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Jul 20, 2011
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Aug 22, 2011
We are about to share a 10 MBit ISP connection with 2 others companies, and they are going to split the bill up into 3,3 and 4 Mbit, so we where thinking that we could setup a switch before their and ours router and provide them with a static IP from our ISP. But is it possible to set a bandwidth limit on the ports of a Cisco Catalyst 2960-8TC, so that we can set a limit of 3,3 and 4 on 3 ports.
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Dec 3, 2011
I want to PAT my project of WLAN and i attached the document, how I create the Testing Criteria of the said scenarios, PAT document includes WCS 7.0, WLC 5508, MSE 3310, Cisco AP 3502e and ACS 4.2.
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Mar 1, 2012
I have 7 POE switches that have ESI IP phones attached. I have two VLANS, 1 and 2. VLAN 2 is used for voice and is defined in each switch.The ESI IP phones connect to my POE switch ports and the pc attaches through the ESI IP phone.
I have had voice quality issue between floors in my building. Talking to others on my floor via the IP phone, there are no voice quality issues. [code]
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Mar 10, 2011
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Dec 5, 2011
I am trying to configure a 3750G that has been sitting on the shelf for several months and am getting the following error -
% Error: Unable to create flash:/microcode_update% Error: It must not already exist
Normally, getting an error during POST isnt a good thing. My first thought was that flash was corrupted or flagged RO somehow. I did fsck flash: with no change. I next tried fsck /test flash:. It tested 77 blocks and performed 0 erasures. It had been running for about 15 minutes with no problems reported so far. Multiple reboots of the switch still report the same error.
I have reviewed the history of what I have done on this switch and finally think I found the problem. I noticed a microcode_update directory that I am not used to see on a 3750. Deleted the directory using the rmdir command and rebooted the switch. On reboot, I noticed that a front_end/ directory was listed as being created as well as fe_type_1 and fe_type_2 were created. The switch now boots up without any errors.
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Jan 3, 2013
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Dec 29, 2012
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Mar 30, 2011
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Apr 14, 2013
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Dec 8, 2011
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Feb 27, 2012
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Jul 19, 2012
I finally got the Site to Site Vpn from our corporate to remote site. Is there a way to connect a cisco phone over that network. Since both Voice Vlans are exempt from acl I would imagine all traffic is clear to go accross? and if so I just have to set the phone to our tftp/ccme. Will that work.
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Nov 6, 2011
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Dec 27, 2012
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Aug 8, 2012
We're currently evaluating Cisco Prime LMS 4.2.Something we've been trying to achieve for the past couple of days is to have LMS notify us when a Microsoft Host is Unreachable, and then to notify us once that alarm has cleared (the Microsoft Host is Reachable again).
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Being new to LMS Prime, and having not received any training on the product to this point, we turned to the admin guide, but we couldn't find anything that goes into detail for how to manage the notification for non-Cisco devices.
Is what we're trying to achieve possible with Cisco Prime LMS 4.2? We just want to be able to receive simple 'host unreachable' notifications for Microsoft servers, and the corresponding 'cleared' notifications once the server is back online.
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Feb 13, 2013
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Aug 29, 2012
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Feb 18, 2013
Having a hard time getting Cisco phones to roam 'cleanly' in a Cisco unified wireless environment; Cisco 2504 controller with Cisco LAP1142n (lightweight) APs. The phone SSID is not broadcast and is using WEP encryption. The problem is that when the user is walking around the property, traversing from AP to AP in-call (external and internal calls), they notice the point at which the phone roams from AP to AP - it's literally two or three seconds of no sound and then the call resumes back again. Fast SSID change has been enabled, we've tried locking the SSID to 802.11a only, b only and g only but with only slightly better results when locked to B. We've lowered the client roaming threshold RSSI to -75dB from -80dB, this also yielded better results but still a couple of seconds gap exists. Cisco TAC came in on a Webex session earlier, changed a few QoS settings and advanced wireless settings on the controller, but to no avail. Wireless signal has been proven to not be an issue; several AIRMagnet PRO surveys have been carried out showing the signal throughout the property to meet the -67dB requirement.
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Oct 16, 2012
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Jan 27, 2013
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Feb 15, 2012
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Mar 18, 2013
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Jul 6, 2012
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Mar 14, 2011
am still thinkin about datalink layer and itz switchz i heard about it dat communicatin iz posible by MAC although if no ip existz in LAN... but in Lan if ip iz removed ..there wll no communication b/w or among devicez which givez proof dat only MAC addss cant wrk properly in LAN if no ip addresez then why v saying only MAC addss can do all IN LAN if no ip addrss there? make any concept about datalink layer or mac and swichez for ip?
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Mar 26, 2011
UDP and TCP are using in single LAN or not ? if use then its ok... (would you tell me little about it how using ?) and IF not then couldn't be needed this in LAN? if We need reliability in LAN then what is Alternative?
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