IPT over IPSEC lines with cisco 2821
We are implementing a IPSEC VPN Connection over leased lines using cisco 2821 without AIM-VPN Hardware accelerators.
The line is 2 Mbps and should carry also IPtelephony traffic (4-5 conversations). Will we have problems by mastering the jitter? Since the traffic is devided in small packet, il the 2821 able to handle it accordignly?
Thanks and bye Giorgio
Giorgio,
You should be fine with this configuration. Running voice and video over VPN is certainly a viable solution. It is commonly known as V3PN. Take a look at the V3PN SRND below for best practices, planning, and design tips. As mentioned in this document, IPSEC adds a trivial amount of delay (2 - 5 msec.) to voice deployments.
V3PN SRND
http://www.cisco.com/application/pdf/en/us/guest/netsol/ns241/c649/ccmigration_09186a00801ea79c.pdf
Hope this helps. If so, please rate the post.
Brandon
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running-conf --- Working normal Client to Site VPN without internet access/split tunnel
ASA Version 8.2(1)
hostname ciscoasa
domain-name cisco.campus.com
enable password xxxxxxxxxxxxxx encrypted
passwd xxxxxxxxxxxxxx encrypted
names
interface GigabitEthernet0/0
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security-level 0
ip address 1.1.1.1 255.255.255.240
interface GigabitEthernet0/1
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ip address 2.2.2.2 255.255.255.224
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pager lines 24
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logging buffered debugging
logging asdm informational
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mtu internet2-outside 1500
mtu dmz-interface 1500
mtu campus-lan 1500
mtu CSC-MGMT 1500
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ip verify reverse-path interface CSC-MGMT
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icmp unreachable rate-limit 1 burst-size 1
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global (internet2-outside) 1 interface
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timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 icmp 0:00:02
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timeout tcp-proxy-reassembly 0:01:00
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aaa authentication enable console LOCAL
http server enable
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crypto ipsec security-association lifetime kilobytes 4608000
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crypto ca trustpoint _SmartCallHome_ServerCA
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certificate ca xyzxyzxyzyxzxyzxyzxyzxxyzyxzyxzy
a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as
a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as
a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as
a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as
a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as
a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as
a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as
a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as
a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as
a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as
a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as
a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as
a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as
a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as
a67a897as a67a897as a67a897as a67a897as a67a897as
quit
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: end
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Please tell what needs to be done here, to hairpin all the traffic to internet comming from VPN Clients.
That is I need clients conected via VPN tunnel, when connected to internet, should have their IP's NAT'ted against the internet2-outside interface address 2.2.2.2, as it happens for the Campus Clients (172.16.0.0/16)
I'm not much conversant with everything involved in here, therefore please be elaborative in your replies. Please let me know if you need any more information regarding this setup to answer my query.
Thanks & Regards
maxsHi Jouni,
Thanks again for your help, got it working. Actually the problem was ASA needed some time after configuring to work properly ( ?????? ). I configured and tested several times within a short period, during the day and was not working initially, GUI packet tracer was showing some problems (IPSEC Spoof detected) and also there was this left out dns. Its working fine now.
But my problem is not solved fully here.
Does hairpinning model allow access to the campus LAN behind ASA also?. Coz the setup is working now as i needed, and I can access Internet with the NAT'ed ip address (outside-interface). So far so good. But now I cannot access the Campus LAN behind the asa.
Here the packet tracer output for the traffic:
packet-tracer output
asa# packet-tracer input internet2-outside tcp 192.168.150.1 56482 172.16.1.249 22
Phase: 1
Type: ACCESS-LIST
Subtype:
Result: ALLOW
Config:
Implicit Rule
Additional Information:
MAC Access list
Phase: 2
Type: FLOW-LOOKUP
Subtype:
Result: ALLOW
Config:
Additional Information:
Found no matching flow, creating a new flow
Phase: 3
Type: ROUTE-LOOKUP
Subtype: input
Result: ALLOW
Config:
Additional Information:
in 172.16.0.0 255.255.0.0 campus-lan
Phase: 4
Type: ROUTE-LOOKUP
Subtype: input
Result: ALLOW
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Additional Information:
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Additional Information:
Phase: 6
Type: IP-OPTIONS
Subtype:
Result: ALLOW
Config:
Additional Information:
Phase: 7
Type: CP-PUNT
Subtype:
Result: ALLOW
Config:
Additional Information:
Phase: 8
Type: VPN
Subtype: ipsec-tunnel-flow
Result: ALLOW
Config:
Additional Information:
Phase: 9
Type: NAT-EXEMPT
Subtype: rpf-check
Result: ALLOW
Config:
Additional Information:
Phase: 10
Type: NAT
Subtype:
Result: DROP
Config:
nat (internet2-outside) 1 192.168.150.0 255.255.255.0
match ip internet2-outside 192.168.150.0 255.255.255.0 campus-lan any
dynamic translation to pool 1 (No matching global)
translate_hits = 14, untranslate_hits = 0
Additional Information:
Result:
input-interface: internet2-outside
input-status: up
input-line-status: up
output-interface: internet2-outside
output-status: up
output-line-status: up
Action: drop
Drop-reason: (acl-drop) Flow is denied by configured rule
The problem here as you can see is the Rule for dynamic nat that I added to make hairpin work at first place
dynamic nat
asa(config)#nat (internet2-outside) 1 192.168.150.0 255.255.255.0
Is it possible to access both
1)LAN behind ASA
2)INTERNET via HAIRPINNING
simultaneously via a single tunnel-group?
If it can be done, how do I do it. What changes do I need to make here to get simultaneous access to my LAN also?
Thanks & Regards
Abhijit -
Configuring lines 1 60 on Cisco 2821
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My best Regards,
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To leave Safe Mode in any version of Mac OS X, restart the computer normally, without holding any keys during startup. -
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I have a strange problem that I’m struggling to get to the bottom of with my ISP and wondered if anyone could help.
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MTU 1600 bytes, sub MTU 1600, BW 704 Kbit/sec, DLY 520 usec,
reliability 255/255, txload 1/255, rxload 1/255
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Encapsulation(s): AAL5
4 maximum active VCs, 1024 VCs per VP, 1 current VCCs
VC Auto Creation Disabled.
VC idle disconnect time: 300 seconds
Last input 00:00:28, output 00:00:07, output hang never
Last clearing of "show interface" counters 6d23h
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5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
23886 packets input, 1676964 bytes, 0 no buffer
Received 0 broadcasts (0 IP multicasts)
0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
56469 packets output, 4418592 bytes, 0 underruns
0 output errors, 0 collisions, 6 interface resets
0 unknown protocol drops
0 output buffer failures, 0 output buffers swapped out
Does anyone have any ideas on where the problem may be and what more I can do to troubleshoot and provide the relevant evidence to our ISP (assuming it is an ISP/BT issue though the fact the same router works ok with the exact same details etc would seem to indicate it must be their issue!)Hi Jody,
thanks for the suggestions. Here's what I see from the ppp debugs (but I'm not sure how to interpret?)
Jan 6 14:50:22.838: pppoe_send_padi:
contiguous pak, size 74
00 01 09 00 AA AA 03 00 80 C2 00 07 00 00 FF FF
FF FF FF FF BC 16 65 96 9B 00 88 63 11 09 00 00
00 10 01 01 00 00 01 03 00 08 0C 00 00 01 00 00
04 A3 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 ...
Jan 6 14:50:22.878: PPPoE 0: I PADO R:0030.8810.000b L:bc16.6596.9b00 0/38 ATM0.1
contiguous pak, size 71
BC 16 65 96 9B 00 00 30 88 10 00 0B 88 63 11 07
00 00 00 33 01 03 00 08 0C 00 00 01 00 00 04 A3
01 02 00 1F 62 72 61 73 2D 72 65 64 37 2E 6C 73
2D 62 61 73 2D 42 32 32 36 45 34 37 30 39 45 30
31 34 5A 01 01 00 00
Jan 6 14:50:24.885: OUT PADR from PPPoE Session
contiguous pak, size 85
00 01 09 00 AA AA 03 00 80 C2 00 07 00 00 00 30
88 10 00 0B BC 16 65 96 9B 00 88 63 11 19 00 00
00 33 01 03 00 08 0C 00 00 01 00 00 04 A3 01 02
00 1F 62 72 61 73 2D 72 65 64 37 2E 6C 73 2D 62
61 73 2D 42 32 32 36 45 ...
Jan 6 14:50:35.125: OUT PADR from PPPoE Session
contiguous pak, size 85
00 01 09 00 AA AA 03 00 80 C2 00 07 00 00 00 30
88 10 00 0B BC 16 65 96 9B 00 88 63 11 19 00 00
00 33 01 03 00 08 0C 00 00 01 00 00 04 A3 01 02
00 1F 62 72 61 73 2D 72 65 64 37 2E 6C 73 2D 62
61 73 2D 42 32 32 36 45 ...
Jan 6 14:50:45.364: OUT PADR from PPPoE Session
contiguous pak, size 85
00 01 09 00 AA AA 03 00 80 C2 00 07 00 00 00 30
88 10 00 0B BC 16 65 96 9B 00 88 63 11 19 00 00
00 33 01 03 00 08 0C 00 00 01 00 00 04 A3 01 02
00 1F 62 72 61 73 2D 72 65 64 37 2E 6C 73 2D 62
61 73 2D 42 32 32 36 45 ...
Jan 6 14:50:55.603: OUT PADR from PPPoE Session
contiguous pak, size 85
00 01 09 00 AA AA 03 00 80 C2 00 07 00 00 00 30
88 10 00 0B BC 16 65 96 9B 00 88 63 11 19 00 00
00 33 01 03 00 08 0C 00 00 01 00 00 04 A3 01 02
00 1F 62 72 61 73 2D 72 65 64 37 2E 6C 73 2D 62
61 73 2D 42 32 32 36 45 ...
Jan 6 14:51:05.843: OUT PADR from PPPoE Session
contiguous pak, size 85
00 01 09 00 AA AA 03 00 80 C2 00 07 00 00 00 30
88 10 00 0B BC 16 65 96 9B 00 88 63 11 19 00 00
00 33 01 03 00 08 0C 00 00 01 00 00 04 A3 01 02
00 1F 62 72 61 73 2D 72 65 64 37 2E 6C 73 2D 62
61 73 2D 42 32 32 36 45 ...
Jan 6 14:51:16.114: OUT PADR from PPPoE Session
contiguous pak, size 85
00 01 09 00 AA AA 03 00 80 C2 00 07 00 00 00 30
88 10 00 0B BC 16 65 96 9B 00 88 63 11 19 00 00
00 33 01 03 00 08 0C 00 00 01 00 00 04 A3 01 02
00 1F 62 72 61 73 2D 72 65 64 37 2E 6C 73 2D 62
61 73 2D 42 32 32 36 45 ...
Jan 6 14:51:26.353: [0]PPPoE 0: O PADT R:0000.0000.0000 L:0000.0000.0000 0/38 ATM0.1
contiguous pak, size 74
00 01 09 00 AA AA 03 00 80 C2 00 07 00 00 00 00
00 00 00 00 00 00 00 00 00 00 88 63 11 A7 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 ...
Jan 6 14:51:46.576: pppoe_send_padi:
contiguous pak, size 74
00 01 09 00 AA AA 03 00 80 C2 00 07 00 00 FF FF
FF FF FF FF BC 16 65 96 9B 00 88 63 11 09 00 00
00 10 01 01 00 00 01 03 00 08 0C 00 00 01 00 00
04 A3 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 ...
Jan 6 14:51:46.608: PPPoE 0: I PADO R:0030.8810.000b L:bc16.6596.9b00 0/38 ATM0.1
contiguous pak, size 71
BC 16 65 96 9B 00 00 30 88 10 00 0B 88 63 11 07
00 00 00 33 01 03 00 08 0C 00 00 01 00 00 04 A3
01 02 00 1F 62 72 61 73 2D 72 65 64 37 2E 6C 73
2D 62 61 73 2D 42 32 32 36 45 34 37 30 39 45 30
31 34 5A 01 01 00 00
Provider wouldn't have bumped us from ADSL to VDSL - but here's the output of show controller vdsl 0:
Controller VDSL 0 is UP
Daemon Status: Up
XTU-R (DS) XTU-C (US)
Chip Vendor ID: 'BDCM' 'IFTN'
Chip Vendor Specific: 0x0000 0x71C8
Chip Vendor Country: 0xB500 0xB500
Modem Vendor ID: 'CSCO' ' '
Modem Vendor Specific: 0x4602 0x0000
Modem Vendor Country: 0xB500 0x0000
Serial Number Near: FCZ1111C08V C887VAG 15.2(4)M
Serial Number Far:
Modem Version Near: 15.2(4)M
Modem Version Far: 0x71c8
Modem Status: TC Sync (Showtime!)
DSL Config Mode: AUTO
Trained Mode: G.992.1 (ADSL) Annex A
TC Mode: ATM
Selftest Result: 0x00
DELT configuration: disabled
DELT state: not running
Trellis: ON ON
SRA: disabled disabled
SRA count: 0 0
Bit swap: enabled enabled
Bit swap count: 1 8
Line Attenuation: 54.5 dB 31.5 dB
Signal Attenuation: 54.5 dB 0.0 dB
Noise Margin: 6.7 dB 11.0 dB
Attainable Rate: 2132 kbits/s 888 kbits/s
Actual Power: 16.7 dBm 12.7 dBm
Total FECC: 546 0
Total ES: 6 0
Total SES: 0 0
Total LOSS: 0 0
Total UAS: 486 486
Total LPRS: 0 0
Total LOFS: 0 0
Total LOLS: 0 0
Full inits: 14
Failed full inits: 1
Short inits: 0
Failed short inits: 1
Firmware Source File Name (version)
VDSL user config flash:vdsl.bin-A2pv6C035d_d23j (10)
Modem FW Version: 110802_1752-4.02L.03.A2pv6C035d.d23j
Modem PHY Version: A2pv6C035d.d23j
Vendor Version:
DS Channel1 DS Channel0 US Channel1 US Channel0
Speed (kbps): 0 1664 0 704
SRA Previous Speed: 0 0 0 0
Previous Speed: 0 1600 0 736
Total Cells: 0 2786872 0 0
User Cells: 0 68 0 0
Reed-Solomon EC: 0 546 0 0
CRC Errors: 0 9 0 0
Header Errors: 0 10 0 0
Interleave (ms): 0.00 8.00 0.00 8.00
Actual INP: 0.00 1.12 0.00 1.28
Training Log : Stopped
Training Log Filename : flash:vdsllog.bin
And here's the output from the ATM and dialer interfaces:
interface ATM0
no ip address
ip flow ingress
no atm ilmi-keepalive
end
interface ATM0.1 point-to-point
ip flow ingress
pvc 0/38
pppoe-client dial-pool-number 2
end
interface Dialer2
description OUTSIDE
ip address negotiated
ip access-group firewall in
ip mtu 1492
ip flow ingress
ip nat outside
ip inspect DEFAULT100 out
ip virtual-reassembly in
encapsulation ppp
dialer pool 2
dialer-group 2
ppp authentication chap callin
ppp chap hostname ###removed###
ppp chap password ###removed###
no cdp enable
crypto map dcvpn
end
As I say though, config-wise, everything should be correct - the same router works fine on another line (which should also confirm the authentication details are correct - at least in as far as it matches what the ISP have on their RADIUS)
Any further thoughts? -
Drawing a curved line using the pen tool, dragging the text cursor over the line but will only give me a small area to write in, in-between a circle and a circle with a cross in?
If you change your tool to the "Direct Selection Tool" (A) then you should be able to adjust the area for you to type in...
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Honeywell Integration with Cisco IPT
Hi,
One of my customer has BMS fom Honeywell. He needs to integrate this system with Cisco IPT 8.6.
IP telephony system shall be capable of providing a software adjustable temperature setpoint at each telephony terminal, this point info shall be synchronized with the BMS in order to provide the telephony user the ability to adjust the room temperature setpoint from the telephony set, or from the room wall module, and the final value of the point shall be determined as of the final order received from one of the two destinations.
The link between the two systems, BMS and IP Telephony, shall be in one of the below methods:
•1- Open protocol connection (BACnet, OPC DA, or Modbus)
•2- SDK development tool provided by Honeywell Building Solutions.
How can the above be achieved? What components do i require to achieve the above functionality?
Appreciate your help.Hi,
I am providing you with the below CUCM interop link, where in different product inetrop testing is done with CUCM and is supported.
http://www.cisco.com/en/US/solutions/ns340/ns414/ns728/networking_solutions_products_genericcontent0900aecd805b561d.html
Please see any of the similiar protocol is used with some other product which is listed here.
Hope it helps.
Anand
Please rate helpful posts !! -
RPS 2300 together with 3750 - 48 PoE and Cisco 2821
Hi,
I'm wondering what kind of power modules to include in RPS 2300 (750 or 1150 Watt) to provide redundant power supply for 1 x Cisco 2821 router (standart power supply) and Catalyst 3750 with PoE 48 ports.
ThanksI am not qualified to answer your question... I would like to mention to be careful when calculating power for phones, because some of the phones (especially color) will take more power than others. We ended up only being able to support 24-ish phones on a 3750 due to power limitations.
-
Cisco 2821 router IOS and Ipsec
Hi all.I was wondering can you create VPN tunnels using Ipsec on a 2821 router if you have only the IPBASE image(the basic image 2821 router comes with) on the router or do you need some other version of IOS?
I've gone totally nuts trying to find out but can't seem to find an answer.Thanks in advance.Igor
You can not create IPSec tunnels if the 2821 is running the IP BASE image. You need a feature set that supports crypto to do IPSec. In general image names that include k9 in the image name will support crypto. You probably would want the Advanced Security feature set or the Advanced IP Services feature set, both of which do support crypto and do support IPSec tunnels.
HTH
Rick -
Cisco 2811 VPN L2TP over IPSEC
Hi,
Does the cisco 2811 support L2TP over IPSEC?Check these links:
http://www.cisco.com/en/US/products/ps5854/products_data_sheets_list.html
http://www.cisco.com/en/US/products/ps5854/products_qanda_item0900aecd80169bd6.shtml
http://www.cisco.com/en/US/products/ps5854/products_qanda_item0900aecd80169bba.shtml -
High cpu consumption with GRE over IPSEC
Hi all,
After applying a gre over ipsec tunnel on one of our branch office, we get high cpu consumption (average 90%).
Tunnel is applied between Cisco 2851 (C2800NM-ADVIPSERVICESK9-M), Version 12.4(24)T2, (fc2) and
Cisco CISCO2921/K9 Version 15.0(1)M3.
Config of the tunnet is as follow :
- authentication pre-share
- encryption aes 256
- hash : sha
- transform set : esp-aes esp-sha-hmac mode transport
Routing process is eigrp.
Could anyone please help me on solving this issue?Cool, good start.
Check "show ip traffic" on both sides, it would be interesting to see what's going on.
BTW the CPU usage of top process doesn't add up to 90%, there's a possibility it's traffic rate/pattern + features (IP input and pool manager would suggest that). -
VideoCalls with gateway 2821 Cisco (H320)
H320 to H323 gateway
I have to set up a video conference environment with a video endpoint registered how h323 to CUCM. Internal videoCalls run ok.
I have problems with PSTN videocalls. I route this videoCalls to a Cisco Gateway 2821 by E1.
Cisco 2821 (revision 53.51) with 243712K/18432K bytes of memory.
Processor board ID FHK0850F1Q8
2 Gigabit Ethernet interfaces
62 Serial interfaces
2 Channelized E1/PRI ports
1 Virtual Private Network (VPN) Module
2 ATM/Voice AIMs
4 Voice FXS interfaces
BCNTVGW01#sh ver
Cisco IOS Software, 2800 Software (C2800NM-ADVIPSERVICESK9-M), Version 12.4(25b) ,
ROM: System Bootstrap, Version 12.3(8r)T7, RELEASE SOFTWARE (fc1)
System image file is "flash:c2800nm-advipservicesk9-mz.124-25b.bin"
I need other IOS version?
I need new hardware?
Can anyone help me with a configuration example on this as the Cisco 2821 will need to do the H.320 to H.323 conversion
Thanks and sorry by my English!
Daniel GarzónHI,
Thanks for you response.
I am downloading:
15.1.1T1(ED)
ADVANCED ENTERPRISE SERVICES --> c2800nm-adventerprisek9-mz.151-1.T.bin
Or is better this?
12.4(24)T
ADVANCED ENTERPRISE SERVICES c2800nm-adventerprisek9-mz.124-24.T.bin
Thanks
Daniel Garzón
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