DSCP Domain Name And Password
Jul 26, 2012
I work in a manufacturing firm where we have offices at 3 different places say A,B and C. Our ERP server is at our original unit A from where we accessed it at B and C through remote desktop application till now. But now we have hired cloud services to connect to our main ERP server. We are in the process of installing the cloud application on our server at B during which we are encountering a problem. The cloud service provider is asking for domain name and password for the DSCP server based at the orignal unit (A) which no one in the company seems to have any idea about. Our IT guy at A has resigned and has not been replaced. Our IT guy at B is inexperienced and just following the instructions of service provider who is stuck at DSCP domain name and ID. How can I know the domain name and password of DSCP server so that the process moves on?
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Apr 3, 2013
How the dscp-cos or cos-dscp mapping takes place in c892 router? There is no command like "sh mls qos maps" in c892 like we have in c2951 or c3925.
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Mar 27, 2012
I have forgotten my password for windows xp with domain created in windows 2003 server.How to recover my password.I still have same server accessable to me where domain is created.
1. How to recover my windows xp password with domain there is no access to administrator in the client system(XP) ?
2. How to create another id in my server (Windows 2003) and create a new client in windows XP ?
3. How to recover windows xp password through any other means?
*Moderator Edit* - Removed email address for your security.
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Mar 22, 2011
Disable domain printer password in workgroup?????
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Sep 21, 2011
I`ll get straight to the point. I have at work a domain of computers. on one of the computers (I have admin rights) I want to share a folder that can be accessed by other computers that are not in the domain. By default accessing that share requires a user/pass. My question is: can I configure something on the computer (running windows 2008 server) to the shared folder so that other computers that are not from the domain will gain access to without user/pass requirement (like a normal share)?
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Sep 12, 2011
I'm testing QoS with a 3750-X
I want to mark traffic in the 192.168.126.0/24 subnet with DSCP EF.
I've entered this command :
mls qos
class-map match-any class_126
match access-group 2
policy-map mark_dscp_126
[Code]....
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Dec 3, 2011
I am wondering what is the TOS value equivalent to DSCP value AF31? I am wondering what is the TOS value equivalent to DSCP value AF31?I have tried to use the charts but I couldn’t understand how to convert it.
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May 17, 2011
1) which DSCP marking to use for ex90s(HD video)?
2) as a test we are planning do to deploy ex90 at few of locations. at location 1 we will do DSCP EF marking while at the other location we will do DSCP AF41 for video..assume, LOC1 calls LOC2: so, when video traffic from LOC1 arrives to LOC2 will it be marked as EF? and when traffic from LOC2 arrives LOC1 then traffic will be marked as AF41? if yes, then will there be any issue sometimes in case if we run out of bandwidth for EF?
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Nov 28, 2012
I ran into interesting issue on Sup-2T. As you probably know, QoS CLI is changed on this new supervisor. I'm looking to translate incoming dscp-marked packets, into exp-marked on egress.Now, according to documentation - Catalyst 6500 Release 15.0SY Software Configuration Guide - this functionality is still called mutation-map and is configured under 'platform qos map exp-mutation'. The problem is quite simple – there is no 'platform qos map exp-mutation' on 2 different machines I checked upon. Here:
Some-6513(config)#platform qos ? 10g-only qos pure 10G mode aggregate-policer Named aggregate policer marking marking keyword
police police keyword protocol protocol keyword queueing-only queueing-only (no QoS rewrite, no policing) rewrite packet qos rewrite enable/disable statistics-export qos statistics data export
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Oct 7, 2011
My company's spent the last few weeks struggling with an issue with their VPN backups where select packets were being lost.
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Aug 18, 2009
According to product bulletin no 3209 for the Cisco 4400 series, the Access Point supports 802.11e WMM.
My question goes to DSCP mapping, according to IEEE and your bulletin the DSCP field in the IP header should be set to 46 (10110 00) for mapping to a 802.11 QoS voice priority 6/7.But my Wireshark trace revealed 4400N is mapping toward with 802.11 QoS is set to Priority 5 Video.
If I google DSCP mapping toward 802.11 QoS all IEEE documention I found says EF /Voice should have 46 or 101xxx in the DSCP IP field but running through Cisco and HP docs gives 46 or 48 as value, that is the correct value. [code]
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Jun 14, 2012
I am running 1.1.24 and spa303 phones I have a qos policy setup to mark all packets
The following is my qos
information 192.168.1.15/24
makring enabled
cos/DSCO DSCO
Value 0xb8
On my upstream device I only allow traffic that is marked with this dscp value. No traffic is coming through. RTP traffic is marked because it comes off the phone marked but I would expect the qos Policy so mark everything going to that ip space to be marked.
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Nov 26, 2012
Does anyone know of some off the shelf (commercially available) software that will set the DSCP field to something other than 0? Im looking to do some network testing using any off the shelf software, voip, games, whatever. I have already setup a traffic generator but my testing needs to encounter a more real life scenario. I have already tried many games, skype, gchat, etc. but nothing sets the DSCP field to anything other than 0.
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May 15, 2013
I am getting a very strange problem where 4500 switch is remarking the packet with dscp 1 to 0.
Let me explaint the setup. I have two PCs connected on same switch but on different modules. PC1 is conencted to Gi4/19 and PC2 is connected to
Gi2/43. Both the ports has been configured to trust the dscp. Below are the configuration:
interface GigabitEthernet4/19
switchport access vlan 6
switchport mode access
[Code].....
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May 29, 2013
The Cisco 3560 uses a relatively simple classification scheme, assuming you consider only what happens when the forwarding decision has been made. These switches make most internal QoS decisions based on an internal DSCP setting. The internal DSCP is determined when the frame is forwarded. What internal DSCP setting means?
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Feb 20, 2011
My new small router 866vae crashes and makes cold reboots every 20-30 minutes. I updated IOS, but it didn't work. The logs show texts like this:
Possible software fault. Upon reccurence,crashinfo, "show tech" and contact Cisco Technical Support. http serverip http access-class 23ip http authentication localip http secure-serverip http timeout-policy idle 60 life 86400 requests 10000!ip dns serverip nat inside source list 101 interface Dialer0 overload!dialer-list 1 protocol ip permitmac-address-table aging-time 15no cdp run!access-list 23 permit 192.168.1.0 0.0.0.255access-list 101 permit ip 192.168.1.0 0.0.0.255 anyaccess-list 111 permit udp any eq bootps any eq bootpcaccess-list 111 permit tcp any anyaccess-list 111 permit udp any anyaccess-list 111 permit icmp any any echo-replyaccess-list 111 permit icmp any any time-exceededaccess-list 111 permit icmp any any unreachableaccess-list 111 permit icmp any any administratively-prohibitedaccess-list 111 permit icmp any any echoaccess-list 111 permit gre any any!control-plane!!line con 0login localno modem enableline aux 0line vty 0 4access-class 23 inprivilege level 15login localtransport input telnet!scheduler allocate 60000 1000!end
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Aug 19, 2012
following about a limitation on the ASA5505.I have a client that has a number of branch offices on a Gen-I OneOffice network. For complex and political reasons, we can’t trust all nodes on that OneOffice network. We need to put a firewall at each branch office between their local network and the OneOffice router.
To avoid having to either readdress the OneOffice routers (politically difficult) or readdress each branch office (logistically difficult) we’ve suggested using a transparent mode ASA5505 firewall between each sites OneOffice router LAN switch.
Recently I’ve discovered the client is deploying Avaya VOIP phones into the offices using QOS/DSCP over the OneOffice network from Avaya units in some offices. I figured I’d need to trust DSCP on the way though the ASA and went about looking at how to achieve that.
I found the following document relating to configuring QOS on the ASA: url...
This suggests in the DSCP and Diffserv Preservation section that “DSCP markings are preserved on all traffic passing through the ASA.” However, in the Guidelines and Limitations section it suggests QOS isn’t supported in transparent mode.I’m a bit worried that the DSCP markings won’t pass through the ASA5505 in transparent mode.
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Jul 21, 2012
i did on cisco 2960S switch at user ingress interface. but the marking is not showing in show policy-map interface gig 1/0/10 interface and ACL is not showing any match.
I also had a config reference from 2960S cisco guide.
access-list 103 permit tcp any any eq 80
access-list 104 permit tcp any any eq 23
access-list 105 permit icmp host 172.24.68.4 any
class-map IN_HTTP
match access-group 103
class-map IN_TELNET
match access-group 104(code)
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Jan 29, 2012
I have a pair of Nexus 7K's running 5.1(3). I have a handful of edge devices that I need to mark ingress traffic, and need to mark both DSCP and CoS. Right now, I have a working config that marks DSCP appropriately.While that works dor DSCP, the MQC will not allow me to mark both DSCP and COS in the same class, and unlike IOS, it appears that Nexus does not have a default DSCP-to-COS mapping. My understanding is this can be solved using table maps, but I don't see how that can solve my problem in this specific scenario (it appears I can do marking or table-map mutation, but not both?). How I can accomplish both?
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Jun 8, 2013
I have a 3750G switch running 12.2(44)SE6 my customer has some Cisco EX90 and ex-Tandberg VC units connected to the switch in a dedicated VLAN 600. The switch is then connected to the WAN router which has its own VLAN 6
From sh mls qos interface x/x/x statistics I can see that the traffic is marked by the VC units as DSCP 34 however when I run this command on the interface to the CE router the marking has been lost.
Similarly in the opposite direction incoming from the CE router I can see the marking coming from across the MPLS ok but when I check the output to the VC unit the marking has been lost.
This would indicate that in the process of routing between VLAN's the DSCP marking has been lost.
how to correct this issue. Because my interfaces are in different VLAN's do I need to VLAN based QoS?
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Sep 22, 2011
I have a problem with the command mls qos trust dscp, I used the ios c2800nm-ipvoice_ivs-mz.124-25f.bin but i can not enable dont show me the complete command in the interface Ethernet o Giga. I want to configuring mls qos trust dscp.
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Feb 13, 2013
I want to know what the default behavior about the command 'mls qos trust dscp' under router platform interface. the router is ASR1000 series.we don't need to put above command line to trust dscp in case of router? otherwise, we have to add it as welll as like switch platform.
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Sep 6, 2012
there is something I find strange on C6500 about QoS: C6500 derive an internal DSCP value for it's internal use, but when configuring the qos mapping on output interfaces, only a cos value (I guess, an internal cos value) can be used. Is it a misunderstanding from me, or is it really illogic?
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Apr 29, 2012
I've been working on a 3560 that doesn't seem to map dscp values to a new value: mls qos map dscp-mutation ToR1 22 24 to 46
[Code]....
On the router on the other side, I created an acl that matched on dscp 46, but it doesn't match on it. I've tried moving the mutation map to the ingress interface and I've tried setting dscp with a service policy instead of marking COS and using internal dscp. Where is the mutation map supposed to be placed: ingress or egress? Also, I added an entry in the acl on the router to see if I was mapping to dscp 24, and I am:
[Code]....
So it seems like the mutation map is being ignored completely. Any reason why?
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Jul 4, 2012
I am reading through a QOS Document and they want me to trust the DSCP value from an IP phone (Siemens) but UN trust the PC DSCP value. How can I trust one thing but not the other? I am using a 2960 Cisco switch with IP base IOS.
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Jan 8, 2013
i have Catalyst2950SI with iOS12.1, connect a wifi-access-point to f1/1(dot1q trunk port),and connect another L2SW to f1/2(dot1q trunk port),and IP phone, MobileCamera connects to wifi-access-point,IP phone has dscp=40 value on its own packet,but MobileCamera doesn't have any dscp value or cos.now, i wanna do QoS by that dscp, So i type as below,
interface 1/1
switchport mode trunk
mls qos trust dscp
interface 1/2
switchport mode trunk
mls qos trust cos
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May 26, 2013
I have a problem with dscp preservation on a WS-C3750X-48 catalyst; in my little diagram, his name will be SW2, so I have this:SW1 <-> SW2 <-> RT1. some phone connected to SW1 mark with dscp EF (46) the voice traffic.The "mls qos" was enabled on SW1 and SWt. The interlink switch ports has the "mls qos trust dscp" option, the phone port and the router port also.And the problem is I can see the dscp marking on the SW2 when I span the voice vlan on this switch but the dscp was removed ( DSCP set to 0) on the router port ( span on the router port for look )If I made also a packet capture on the router RT1, I see the DSCP was effectively reset to zero.If I disable the "mls qos" on SW2, of course all is fine and the dscp was preserved and forwarded to the router. [code]
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Mar 14, 2012
I am trying to mark http packets from a web server with DSCP ef, but when I am doing a traffic capture all http packets have tos 0x0.I am able to mark UDP and ICMP packets originated from this server, but not any TCP traffic.The web server is in VLAN 20This is my config mls qos ip access-list extended MARK-HTTP-ACL permit tcp host 10.10.10.10 eq www. [code]
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Oct 31, 2012
How can I configure Cisco 200 (SG200-08P) to learn Voice VLAN and CoS/DSCP from upstreamCatalyst 2960?
The Cat 2960 is today used together with LLDP-MED to announce config to Aastra IP Telephones. In some cases I need to use a small switch inbetween and plan to use the Cisco SG200-08P for this. However, I would like to avoid manual config of the Cisco 200 switch.
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Oct 26, 2011
I'm working on a catalyst c3750 and for my work i need to prioritize certain streams independent of their bandwith usage.
The streams are the following:
- voice
- video
- data
I created policy maps based on vlans like below:
policy-map VOICE
class class-default
set precedence 5
policy-map VIDEO
[Code]...
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Dec 24, 2012
i would like to know the possibility to use mls qos trust dscp with service-policy in the IOS ver.12.2(25)SEE2.The specific version is not possible to configure like below.
Cat3750(config-if)#do sh run int f1/0/1
Building configuration...
[code]....
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Nov 28, 2011
I am begining to work to apply Qos on switchs (C2960 & C6500), and I still have a doubt about the necessity to consider the cos value. I indeed want to apply Qos for ToIP, Video, perhaps create a scavenger class, ans in all cases, I classify my packets with TCP/UDPB port and mark them with DSCP. So is it really necessary to study all the DSCP/CoS mapping problematics ? Is it not possible to make the configurations only on the base of the DSCP field?
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Feb 16, 2012
When configuring QoS on 3750s/3560s, we're mapping packets to particular interface output queues with commands such as: [code] The command to see what's actually being enqueued, dropped, etc. is: [code]
Note that these queues are numbered 0 - 3, and not 1 - 4. We've been assuming that the first queue number in the "mls qos" (i.e., 1) command maps to the first queue (i.e., 0) in the "show mls qos" command.
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