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Ask The Expert: Introduction to Cisco ASR 1000 Series Aggregation Services Routers

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Feb 21st, 2012

Manigandan B

Welcome to the Cisco Support Community Ask the Expert conversation. Learn from Cisco expert Manigandan B about the architecture, features, performance and benefits of Cisco ASR 1000 Series Routers. This event is a continuation of the Cisco live Facebook Forum, where you can ask additional questions to the expert.

Manigandan B. is a technical services engineer at Cisco working as a team leader for the Enterprise Services team. He works primarily with customers and their escalations in the Europe, Middle East and Africa (EMEA) region. His areas of expertise are architecture of routers, Cisco IOS, QoS, packet tracing, Cisco Express Forwarding, Cisco NetFlow, Network Address Translation, and other router platform issues. Mani has been associated with Cisco for more than 3 years, having joined Cisco after receiving a bachelor's degree in electronics and communication engineering. He also holds CCNA, CCNP, and ITIL certifications.

Remember to use the rating system to let Manigandan know if you have received an adequate response. 

Manigandan might not be able to answer each question due to the volume expected during this event. Remember that you can continue the conversation on the Network Infrastructure sub-community discussion forum shortly after the event.   This event lasts through March 6 , 2012. Visit this forum often to view responses to your questions and the questions of other community members.

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john.ventura73 Wed, 02/22/2012 - 12:50

Hello,

Can you let me know if the ASR1k support per packet load-sharing?

thanks a lot,

- John

manib Wed, 02/22/2012 - 21:39

Hello John,

ASR1k doesn't support per-packet load balancing(PPLB) as of date.  It causes quite a lot of issues when we load share the steams based on per packet.  Some common issues:-

1. Packet sequencing issues.

2. Very bad TCP performance.

etc.

We support flow based load sharing and this feature is not even on the radar of ASR1k team.  Thanks.

Cheers,

/Mani

john.ventura73 Fri, 02/24/2012 - 07:41

Another question, Manigandan. Can you provide some guidance of how do we troubleshoot packet drops on ASR1k? Also, when ASR1k crashes where do we look for crash files?.

Thanks for your valuable responses

- John

manib Sun, 02/26/2012 - 08:34

Hi John,

That's a very good question.  This CCO page will help us:

http://www.cisco.com/en/US/products/ps9343/products_tech_note09186a0080af2d14.shtml

Basically we start of looking at QFP drops and then proceed further.  For the second part, ASR1k's RP or ESP or SIP can crash.  If the ESP or SIP crashes, we would just have the core files under harddisk:core directory.  While if RP crashes, we would have crash file in bootflash and core files under harddisk:core directory. 

* For ASR1001 and ASR1002, we need to look at bootflash for core and crashfile.

Cheers,

/Mani

jag@kerridge.com Mon, 02/27/2012 - 01:38

Hi,
Please can you tell me is there any plan to support cTCP encapsulation for Easy VPN on the ASR 1k?

Regards,

Jason

manib Tue, 02/28/2012 - 06:38

Hi Jason,

The CTCP Support on ASR1k is not yet on roadmap.  There are few customer cases requesting for the same and ASR1k dev team might update something soon.  As of date, we don't support it.

Cheers,

/Mani

talmadari Mon, 02/27/2012 - 01:44

Hi MANIGANDAN,

Can you please note the main differences between the ASR1k to some other WAN aggregation routers as the 7200 series?

What are the reasons that I should take into consideration while choosing the ASR1k over other routers?

Best Regards,

Talm

manib Tue, 02/28/2012 - 05:48

Hi Talm,

Good question.  Please start here on CCO:

http://www.cisco.com/en/US/products/ps9343/index.html

Its has all the reasons why one should opt for ASR1k.

Please see few VOD's recorded for this purposes:

Router security services:

http://www.cisco.com/en/US/products/ps6540/index.html

Cisco Application Visibility and Control (AVC):

http://www.cisco.com/en/US/prod/routers/application_visibility_control.html

Lets talk very concisely about 7200 and ASR1k:

1. Basically 7200 is a 13 year old software based system that has the

greatest feature breadth of any router ever developed.  Active selling

will continue, no new Hardware is planned though IOS Software features

will continue to be developed in the appropriate releases.

2. ASR1000 family is our next generation midrange router that will

eventually replace the 7200, 7300, C10k, 10720, etc. We added HW and SW

HA, Front to Back airflow, Scaling, Performance and Bandwidth improvements

to name a few.

3. More reasons for ASR1k can be found here which serves as a very good comparison:

http://www.cisco.com/en/US/prod/collateral/routers/ps9343/data_sheet_c78-447652.html

This should give you a very good picture of the robustness of the platform.

Cheers,

/Mani

Danilo Dy Mon, 02/27/2012 - 01:45

Hi Manigandan,

I found that GLBP in ASR1002 does not suport IPv6. May I know when will GLBP support IPv6?

I use ADV ENT.

Best wishes,

Dandy

ineedciscohelp Mon, 02/27/2012 - 07:28

Hi Manigandan,

It seems ASR 1002 doesn't support the object group for the access list. Do you know when ASR 1002 will support Object Group?

Our ASR 1002 is running 3.4.0S, are there any new features on 3.5.1S?

Thanks!

Joe

manib Tue, 02/28/2012 - 06:46

Hi Joe,

Support will start in 3.9S (Q1CY2013).  Thanks. 

Cheers,

/Mani

manib Tue, 02/28/2012 - 06:31

Hi Dandy,

This feature is not in ASR1k dev team's roadmap.  So  as  of now, we don't have an ETA when the support will begin.  Feel free  to  work with Cisco's accounts team if you have a ASR1k contract, so that   they can talk to ASR1k dev team and see if they can get that feature on   their radar.

Cheers,

/Mani

Danilo Dy Mon, 03/05/2012 - 02:39

Thanks Mani. My maintenance contract is with Cisco partner. I guess I have to wait for ASR1K Dev team to hopefully they will include it in their future plan

Best wishes,

Dandy

mbousleiman Mon, 02/27/2012 - 11:17

Hello Manigandan,

We have implemented a few dozens of ASR 1004 as Internet Gateways, but unfortunately we are having lots of problems when running PAT.

Two issues have been faced so far and are critical to operations:

1- PAT pooling fails, whereas if we have a pool with N entries, lots of protocols are consuming 1 to 1 NAT, which leave us with shortage of ports. A pool of 5 IP addresses should serve about 320000 ports thus 320000 simultaneous connections. but we only end up in using the first 4 IP addresses as 1-to-1 NAT and the remaining 5th is doing PAT ! We tried to increase the Pool mask (eg 20 IP addresses) and still the same issue. We expect to serve 2000000 simultaneous connections per ESP-40 (as per the datasheet).

2- On another unit we have the following output in the NAT stats:

sh ip nat statistics

Total active translations: 75727 (0 static, 75727 dynamic; 75727 extended)

Outside interfaces:

  GigabitEthernet0/0/2, GigabitEthernet0/0/3

Inside interfaces:

  GigabitEthernet0/0/0, GigabitEthernet0/0/1

Hits: 1842060462  Misses: 52429354

CEF Translated packets: 0, CEF Punted packets: 0

Expired translations: 52225597

Dynamic mappings:

-- Inside Source

[Id: 9] route-map NATALL pool natpool refcount 75320

pool natpool: netmask 255.255.255.0

        start 89.108.185.51 end 89.108.185.100

        type generic, total addresses 50, allocated 1 (2%), misses 0

nat-limit statistics:

max entry: max allowed 0, used 0, missed 0

Pool stats drop: 0  Mapping stats drop: 1

Port block alloc fail: 0

IP alias add fail: 0

Limit entry add fail: 0

Note that we have 75727 simultaneous connections for a SINGLE IP... That is a bit ackward, don't you think?

Your feedback is much apprecaited.

One last question, is there any document related to which applications are supported by PAT on the ASR1K ?

Thanks,

Michel.

manib Thu, 03/01/2012 - 06:29

Hello Michel,

Its worth to open TAC case for this as we need to deal more with QFP NAT.

Anway, Can you please add this:

show tech

show logging  - - > This will be covered under "show tech" if the IOS-XE version is

15.0(1)S or later.

sh ip nat translation

sh ip nat statistics

sh plat hard qfp active statistics drop | e _0_

sh platform hardware qfp active feature nat datapath stats

sh plat har qfp act inf ex st us

Some of the reasons why 1:1 NAT can happen with PAT is

when some non-IP traffic flowing through the box that needs

to be PAT'd. These could be some of non-TCP/UDP/ICMP.

Always better to employ an ACL to do:

1 permit only TCP/UDP/ICMP

2 deny DNS, netbios, LDAP (if they don't use these ALGs).

Please be noted that GRE is one such traffic that can cause

the whole IP address to be used - we can't PAT. 

ACL changes are definitely needed not just as a workaround, but as a best practice, to avoid these in the future - 1:1 issues.

We can disable a few ALGs but without knowing the network I cannot suggest that.

I think we may need a detail TAC-Analysis, so please open a TAC case with the above suggestion info.  Thanks and have a nice day.

Cheers,

/Mani

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j.loduca Wed, 02/29/2012 - 07:21

Hello Mani,

Got a question regarding 2 ASR1001's that I have that occasionally receive false temperature warnings from the power supply.  I think I see bug CSCtr38540 that might exactly describe this but I can't view any details to know for sure. Apparently there is propritary info on this bug..   I think what I need to know is if there is a new IOS that would fix this? if so what would that be?  is there anyway I can view info on this bug minus the info Cisco doesn't want me to see? 

Thanks much, Joe

manib Wed, 02/29/2012 - 09:27

Hello Joe,

Can you paste me the logs you see?.  I guess you see something like:

"%ENVIRONMENTAL-1-ALERT: Temp: Inlet, Location: P1, State: Shutdown, Reading: 127 Celsius"


You can verify if its false alarm checking with "show platform" command.  You would see something like:

show platform 


Chassis type: ASR1001            

Slot      Type                State                 Insert time (ago)
--------- ------------------- --------------------- -----------------
0         ASR1001             ok                    1w3d         
0/0      ASR1001             ok                    1w3d         
R0        ASR1001             ok, active            1w3d         
F0        ASR1001             ok, active            1w3d         
P0        ASR1001-PWR-AC      ok                    1w3d         
P1        ASR1001-PWR-AC      ok                    1w3d     >>>    
P2        ASR1001-FANTRAY     ok                    1w3d         

These 2 bugs: CSCtr43123  CSCtu16388  are the duplicates of

CSCtr38540, so you saw the release notes talking about

CSCtu16388.  Nothing to worry.  ASR1k team is working with

Emerson vendor for providing the right info about the PS, as

ASR1k code relies on that info.  This issue is on its way to

get fixed.  Thanks.

Cheers,

/Mani



       


j.loduca Wed, 02/29/2012 - 10:15

Hi Mani,

I pasted the things in this email.. its exactly as you described. So when you say “this issue is on its way to being fixed”, <- that means so far that there is no fix yet?

So far this has not caused us any issues, its just one of those things that makes you nervous when you see it in a log.

Have a great day! Joe

Feb 10 04:01:12: %ENVIRONMENTAL-1-ALERT: Temp: Inlet, Location: P1, State: Minor, Reading: 72 Celsius

Feb 21 00:09:22: %ENVIRONMENTAL-1-ALERT: Temp: Inlet, Location: P0, State: Shutdown, Reading: 127 Celsius

LMAN-ALLEGAN#show platform

Chassis type: ASR1001

Slot Type State Insert time (ago)

manib Thu, 03/01/2012 - 05:05

Hi Joe,

ASR1k development team is actively working on the fix for this vendor stats issue from power supply.  It has nothing to impact, as "show plat" command will say us that health

of the PS is perfectly fine.  Please omit for now and we will fix it sooner:).  Have a wonderful day.  Thanks.

Cheers,

/Mani

ven.taylor Fri, 03/02/2012 - 10:50

Brendon:

We experieced this on several of our ASRs (1001 & 1002)

We opened a TAC case and found out that this is fixed in 15.2(1)S and 15.1(3)S2.  We've got 15.2(1)S burning in the lab before we deploy it to production in a few weeks.

Ven

BrendonBell Wed, 02/29/2012 - 15:13

Hi Mani,

I am attempting to set up traffic policing inbound on the ASR1001.

I want to police the incoming traffic in a vlan from a service provider to 100M (all traffic - no bursting permitted).

My config looks like this:

class-map match-all FX_INTERNET_CLASS

match access-group name FX_INBOUND

!

policy-map FX_INBOUND_POLICY

class FX_INTERNET_CLASS

  bandwidth 100000

  police cir 10000000

   conform-action transmit

   exceed-action drop

   violate-action drop

interface Port-channel1.202

description FX Internet National

encapsulation dot1Q 202

ip address 172.19.10.6 255.255.255.252

no ip redirects

no ip unreachables

no ip proxy-arp

ip verify unicast reverse-path

ip ospf 100 area 0

service-policy input FX_INBOUND_POLICY

ip access-list extended FX_INBOUND

permit ip any any

I have tested this using iperf and it doesnt work.

Also the following message is displayed:

ttpchcrt04#sh policy-map interface

Port-channel1.201

  Service-policy input: FX_INBOUND_POLICY

    Service policy FX_INBOUND_POLICY is in suspended mode

Port-channel1.202

  Service-policy input: FX_INBOUND_POLICY

    Service policy FX_INBOUND_POLICY is in suspended mode

Can you help with this please?

manib Thu, 03/01/2012 - 05:28

Hello Brendon,

What you see is expected, as we don't support ingress QOS on port-channel or its sub interfaces.  This feature will make into the ASR1k's XE38/15.3(1)S/3.8.0S.  Anytime this month - tentative. 

The following applies for GEC on ASR in release 15.1(2)S:

Ingress Qos :
Application point     Policing     Queueing
port-channel sub     Supported     No support
port-channel main     No support     No support
member-link             No support     No support

And for egress QoS:
Application point     Polcing              Queueing
port-channel sub     No support     No support
port-channel main     No support     No support
member-link             Supported     Supported

Thanks for the question.

Cheers,

/Mani

mbousleiman Thu, 03/01/2012 - 05:32

Dear Mani,

Kinldy your input is highly apreciated.

Thanks,

Michel.

Hello Manigandan,

We have implemented a few dozens of ASR 1004 as Internet Gateways, but unfortunately we are having lots of problems when running PAT.

Two issues have been faced so far and are critical to operations:

1- PAT pooling fails, whereas if we have a pool with N entries, lots of protocols are consuming 1 to 1 NAT, which leave us with shortage of ports. A pool of 5 IP addresses should serve about 320000 ports thus 320000 simultaneous connections. but we only end up in using the first 4 IP addresses as 1-to-1 NAT and the remaining 5th is doing PAT ! We tried to increase the Pool mask (eg 20 IP addresses) and still the same issue. We expect to serve 2000000 simultaneous connections per ESP-40 (as per the datasheet).

2- On another unit we have the following output in the NAT stats:

sh ip nat statistics

Total active translations: 75727 (0 static, 75727 dynamic; 75727 extended)

Outside interfaces:

  GigabitEthernet0/0/2, GigabitEthernet0/0/3

Inside interfaces:

  GigabitEthernet0/0/0, GigabitEthernet0/0/1

Hits: 1842060462  Misses: 52429354

CEF Translated packets: 0, CEF Punted packets: 0

Expired translations: 52225597

Dynamic mappings:

-- Inside Source

[Id: 9] route-map NATALL pool natpool refcount 75320

pool natpool: netmask 255.255.255.0

        start 89.108.185.51 end 89.108.185.100

        type generic, total addresses 50, allocated 1 (2%), misses 0

nat-limit statistics:

max entry: max allowed 0, used 0, missed 0

Pool stats drop: 0  Mapping stats drop: 1

Port block alloc fail: 0

IP alias add fail: 0

Limit entry add fail: 0

Note that we have 75727 simultaneous connections for a SINGLE IP... That is a bit ackward, don't you think?

Your feedback is much apprecaited.

One last question, is there any document related to which applications are supported by PAT on the ASR1K ?

Thanks,

Michel.

j.delossantos Fri, 03/02/2012 - 10:13

Hello.

Is there an SVI equivalent for ASR1002 platform?

Single IP address visible on 2 physical ports?

j.delossantos Mon, 03/05/2012 - 09:49

Mani,

The command "interface BDI" is not supported on our device.

Here is the version I'm running,

Cisco IOS Software, IOS-XE Software (PPC_LINUX_IOSD-ADVENTERPRISEK9-M), Version 12.2(33)XND2, RELEASE SOFTWARE (fc1)

Is BVI my only other option?

Thanks.

JD

manib Mon, 03/05/2012 - 23:47

Hello JD,

Few points:-

1. Legacy bridging is not supported on ASR1k. Please see: CSCth68125 ASR1k : Remove unsupported command

'bridge-group' from the parser.  The commands were 'bridge-group ...' and 'interface BVI'.

2. The only solution is BDI.  The support for the same started from:

XE32/15.1(1)S/3.2.0S.

Please also be noted that you are running an IOS-XE software that's quite old and end of software engineering as well:

Hope this helps.  Best wishes.

Cheers,

/Mani

disailovic Sun, 03/04/2012 - 09:43

Hi Mani,

what it means in the datasheet for ESP 10 : FW or NAT: 1,000,000 sessions ?

We are currently having an issue with ASR1006 with ESP10, processing almost 2Gbps with 500.000 firewall sessions and 350.000 total PAT translations in traffic peak, and status control-procesor output is like this :

ASR_1006#show platform software status control-processor brief

Load Average

Slot  Status  1-Min  5-Min 15-Min

  RP0 Healthy   1.11   1.07   1.10

  RP1 Healthy   0.11   0.15   0.09

ESP0 Healthy   2.86   2.81   2.73

ESP1 Healthy   0.00   0.00   0.00

SIP0 Healthy   0.00   0.02   0.00

SIP1 Healthy   0.01   0.24   0.16

Memory (kB)

Slot  Status    Total     Used (Pct)     Free (Pct) Committed (Pct)

  RP0 Healthy  2009868  1625524 (81%)   384344 (19%)   1169504 (58%)

  RP1 Healthy  2009868  1432636 (71%)   577232 (29%)   1021776 (51%)

ESP0 Healthy  2009892   640784 (32%)  1369108 (68%)    407384 (20%)

ESP1 Healthy  2009892   597048 (30%)  1412844 (70%)    404456 (20%)

SIP0 Healthy   449768   308368 (69%)   141400 (31%)    253088 (56%)

SIP1 Healthy   449768   309032 (69%)   140736 (31%)    253704 (56%)

CPU Utilization

Slot  CPU   User System   Nice   Idle    IRQ   SIRQ IOwait

  RP0    0  13.28  23.67   0.00  62.13   0.09   0.79   0.00

  RP1    0   0.10   0.10   0.00  99.79   0.00   0.00   0.00

ESP0    0  47.00  38.42   0.00  13.57   0.39   0.59   0.00

ESP1    0   0.09   0.19   0.00  99.50   0.00   0.19   0.00

SIP0    0   0.50   0.60   0.00  98.90   0.00   0.00   0.00

SIP1    0   0.60   0.50   0.00  98.90   0.00   0.00   0.00

This high CPU Utilization values for ESP used to be 4% for User + System in traffic peak for 1.6 Gbps 350.000 PAT translations and 450.000 firewall sessions.

We have opened TAC case, but we still do not know if this is too much for ASR1006 to handle this amonut of traffic.

Thanks and reagrds,

Dragana

manib Tue, 03/06/2012 - 01:19

Hello Dragana,

I think the box is overloaded.  For ESP10, the scale on NAT and FW are:


FW only: 1M
NAT only: 1M
FW+NAT: 500k

The box is performing more than what it's supposed to:).
Best wishes.   Thanks.

Cheers,
/Mani

jwarner Sun, 03/04/2012 - 11:40

I went to one of the ASR data sheets you commended and searched for TCAM.  That doesn't appear.  Does that mean that the ASR does not use TCAM?  What does it use instead?

I did find the claim that up to 4 M IPv4 routes are supported.  And another claim that up to 4 M IPv6 routes.  What is not clear from that claim is whether it is EITHER v6 OR v4, or both 4 M v6 and v4 at the same time. 

Perhaps I am looking for a technical architecture document.  What might that be?

Thanks.

jim warner

manib Tue, 03/06/2012 - 00:06

Hello Jim,

ASR1k indeed uses TCAM.  You can check the TCAM utilization with:

"show platform hardware cpp active tcam resource-manager usage"
show command.

Also coming back to your scalbility question, In this data sheet:

http://www.cisco.com/en/US/prod/collateral/routers/ps9343/data_sheet_c78-450070.html

You will see:

*1,000,000 IPv4 and 500,000 IPv6 routes*

The number advertised in the data sheet is more conservation and suitable for

real-world deployment.

In this datasheet:

http://www.cisco.com/en/US/prod/collateral/routers/ps9343/data_sheet_c78-441072.html

*Scalability to 1,000,000 IPv4 or 250,000 IPv6 routes*

The v6 number in the 2nd data sheet (250K) is what we advertised, even though

RP1+ESP10 has no problem to handle 500K routes.

For combinated v4/v6 routes, you can have a percentage of routes in v4 and the

rest percentage routes in v6.

For example, 1M v4 routes or 250K v6 routes.

You can have 50% v4 routes, 50%x1M = 500K v4 routes with 50% v6 routes,

50%x250K = 125K v6 routes.

Another example, you can have 80% v4 routes with 20% v6 routes, which is

800K v4 routes and 50K v6 routes.

Hope this helps better.  Best wishes.

Cheers,

/Mani

DevaThamizh Sun, 03/04/2012 - 22:17

Hi mani, Im Thamizh. Im working as a networking Enginner in a company for past 10 months. I need NMetworking Interview qus and answers for 1 year experienced N/w engineer. Kindly help me.Because i need to join in another good company. In my company only level 1 job. I need to improve my skills. So i request you kindly give the Interview qus...

Thanks and Regards

     Thamizh

    E-mail: rpthamizh@gmail.com

manib Mon, 03/05/2012 - 23:53

Hello Thamizh,

Its really off the topic.  But let me give you some pointers.  The place to start with basics and to go on is with CCNA certification for the stream you like.  This certification will help you master the basics and you should good enough to attend interviews owning one. More technical stuff on CCNA free for all:

https://learningnetwork.cisco.com/index.jspa

Best wishes and good luck. 

Cheers,

/Mani

abrissonnet Mon, 03/05/2012 - 18:31

Hello,

First, I want to tell you that I realy appreciated your return and answers about this platform. I have two questions :

- The first is about QoS. When reading this document, it seems to be planned to support "min bandwith percent propagation" and "mixed bandwidth types" in child classes on ASR1K. Can you tell us when we could use this feature? Meanwhile, I use bandwith remaining percent/ratio but it's not the same thing (difference between minimum and excess bandwitdh).

- We use ISIS as our IGP. I read many docs about pak_priority, but I used to assign bandwith reservation for management protocol. For this I try NBAR, but ISIS seems to not be supported on ASR1000 ('match protocol clns_is' is not supported on this platform").

I had other questions about "object-group" and "temp warnings" but you already answered....

Thanks in advance

manib Tue, 03/06/2012 - 01:15

Hello Anthony,

Hope I got your name right?:). 

1. Regarding your QOS question, you can either rely on per class equal share of the remaining bandwidth, which ASR1k''s code does - which is basically taking the remaining excess bandwidth and equally adding up to remanining classes - except priority class with has a implicit policer.  if you don't like this, you use the bandwidth remaining percentage CLI and decide what share the excess badwidth get's to classes - except priority class.  So choice is your's based on your need.

2. ISIS is not a IP packet, but its a "pak priority" packet.  We don't support the match protocol clns_is as of date.  What you can do, if you need to set some action - bandwidth/priority Q the packets, then you can define a class like this and take

appropriate action:

Lab_ASR1k#sh run | sec class-map

class-map match-any TEST

match destination-address mac 0180.C200.0014

match destination-address mac 0180.C200.0015

3. Glad that my post on obj ACL and cosmetic temperature issue addressed your query.

Best wishes and have a nice day.

Cheers,

/Mani

princerajccna Tue, 03/06/2012 - 01:19

Hello Mani..

Am working as network admin , they want to configure Cisco ASR 1002 router , pls kindly give solution.

Thanks In Advance

Rajkumar

manib Tue, 03/06/2012 - 01:46

Hi Rajkumar,

Can you please be specific, and let me know what is that your customer needs to configure?.  Is it a new installation and you are looking for IOS-XE installation/upgrade assistance?.  Thanks.

Cheers,

/Mani

princerajccna Tue, 03/06/2012 - 02:37

Hi Mani,

we need to configure OSPF , BGP and QoS , SONET . Pls give the command to configure . Cisco ASR 1002 Router having Dual power supply , shall give power to Both power supply .

Thank you so much ! ! !

Rajkumar

manib Tue, 03/06/2012 - 07:00

Hello Rajkumar,

Configuring all of these - OSPF, BGP, QOS and Sonet is no different with IOS-XE of ASR1k.

For configuring ospf:

http://www.cisco.com/en/US/tech/tk365/technologies_white_paper09186a0080094e9e.shtml

BGP case studies:

http://www.cisco.com/en/US/tech/tk365/technologies_tech_note09186a00800c95bb.shtml

QOS for ASR1k:

http://www.cisco.com/en/US/docs/ios-xml/ios/qos_classn/configuration/xe-3s

/qos-classn-xe-3s-book.pdf

Sonet:

http://www.cisco.com/en/US/tech/tk482/tk607/tech_configuration_guides_list.html

Best wishes. 

Cheers,

/Mani

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