Cisco Switching/Routing :: Dscp Marking In 2960S
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)
View 1 Replies
ADVERTISEMENT
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?
View 5 Replies
View Related
Feb 6, 2013
in switch 2960s ( c2960s-universalk9-mz.122-55.SE5 ) , i want to marking the traffic between two hosts (Data replication), i choose to use " mac access-list" to classify my trafic before apply the policy marking . but did'nt work . c
! my mac ACL
mac access-list extended test
permit host 000a.1a41.aa52 host 000a.1a41.1bc2
!
class-map match-all test
match access-group name test
[code]....
View 4 Replies
View Related
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?
View 3 Replies
View Related
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?
View 2 Replies
View Related
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.
View 1 Replies
View Related
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
View 10 Replies
View Related
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].....
View 7 Replies
View Related
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?
View 2 Replies
View Related
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?
View 7 Replies
View Related
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.
View 2 Replies
View Related
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
View 10 Replies
View Related
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]
View 2 Replies
View Related
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]
View 4 Replies
View Related
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]...
View 7 Replies
View Related
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]....
View 8 Replies
View Related
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?
View 3 Replies
View Related
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.
View 1 Replies
View Related
Jan 20, 2013
I have a Nexus 5500 which is the core of our network and we have access layer switches uplinked to it. I know by default the qos markings will be trusted.
1. On a trunk uplink from an access layer switch to the Nexus, I have "mls qos trust dscp". Will the DSCP marking be preserved when it reaches the Nexus?
2. How do I do prioritization of voice traffic on an uplink on Nexus based on DSCP EF?
View 3 Replies
View Related
Dec 20, 2011
I have made some test and i noticed that qos input policy does not classify the icmp packet based on their dscp.The "match dscp ef" or "match precedence 5" is not working only the "match protocol icmp" shows hits.
We need to classify the different icmp packets based on dscp ( TOS ) for measurement purpose.CISCO 7200, 12.4.25d and 12.4.20T have a same behavior.
View 6 Replies
View Related
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.
View 3 Replies
View Related
Oct 28, 2012
I have recently split the voice vlan (10) from the data network (1), and am wondering why my catalysts and router do not require an interface Vlan10 statement. In the past I used OpenBSD boxes to do the routing, and I first needed to configure vlan 10 on the interface before I could get inter-vlan communication to work. With these Cisco devices it works, and I am wondering if it is because of VTP, for the fact that the ports maybe just pass all traffic, or is there some other explanation? Below is the setup, and firmware is up-to-date on all of the devices.
When I plug a phone into the POE SGE, the phone turns on, obtains an address on the proper subnet, and conversations are clear (whereas without the ip nat inside on the new subnet the calls had a lot of static). Possibly the reason that it works is because the phones properly create the tcp/ip packet, and it hops over the trunks and creates the states so that traffic routes back properly. I will install wireshark to see exactly what is going on, but is there a simple explanation that I am overlooking?
View 1 Replies
View Related
Mar 23, 2013
I need to enable multicast routing on 2960s but the command "ip multicast-routing" isn't available on my release (12.2.(55)).
From which release this command is available?
View 1 Replies
View Related
Oct 8, 2012
I have C2960S-48FPS-L and C2960S-24TS-S both of them are using C2960S-UNVERSALK9-M image with version 15.0(2)SE on both I run "mls qos"
and on 48FPS-L I run "mls qos map cos-dscp..."on 24TS-S I cannot run it. there is no such command. there is just "mls qos rewrite..." and "mls qos srr-queue..." variants.
I thought that one image give the same set of commands...?
View 5 Replies
View Related
Jan 17, 2012
while i am configuring a port on switch .The switch reloads.After reload the show version says,System returned to ROM by bus error at PC 0x458F6C, address 0x0,show version from the effected switch is,Cisco IOS Software, C3750E Software (C3750E-UNIVERSALK9-M), Version 12.2(58)SE2, RELEASE SOFTWARE (fc1).
View 4 Replies
View Related
Dec 8, 2011
I am currently having an issue with connecting a Catalyst 2960-S switch to a Small Business SG300 switch. When I connect them they are unable to form a link. When I do a show spanning-tree it says the mst link is in dispute.
View 1 Replies
View Related
Mar 25, 2012
I read some papers about QoS. The thing is that I have to implement 30 switches with QoS to connect to a lot of Cisco IP phones. The switches are Cisco 2960S with code image "C2960S Software (C2960S-UNIVERSALK9-M), Version 12.2(55)SE3". Should I use autoQoS feature or manually configure them?. How should I treat uplinks between access switchs and core/distribution? I have a lot of doubts regarding queueing, because all the info I had read its for another model/image.
View 4 Replies
View Related
May 16, 2013
I'm looking at the WS-C2960S-48TD-L and have a question about the uplink ports. Is it possible to mix 10G on one uplink and 1G on the other? The datasheet says 2x10G SFP+, 2x1G SFP so I am thinking mixing is not possible.
View 6 Replies
View Related
Nov 5, 2011
just got new hardware and decided to try the newer USB port for IOS upgrades. I could not get the switch to recognize my 2gig flash drive. Do I need a proprietary stick or special format?
I also noticed when I removed it the switches crash dump and rebooted?
View 12 Replies
View Related
Aug 18, 2012
When using dynamic configuration tools, if I choose 2960 (not 2960s), I have the option to choose RPS2300 as redundant power, but when I choose 2960s, I cannot choose RPS2300. However, in a document describe both 2960 and 2960s, it said that RPS2300 can be used. Does RPS2300 support 2960S?
View 1 Replies
View Related
Dec 20, 2012
Recently I'm working with my client to setup their network and he want me to limit user access internet bandwidth to 2 Mbps and the topology show below.Users ---> Switch ---> NAT Router ---> (int gi1/0/24 - qos apply) Edge Switch ---> INTERNET ROUTER (12Mbps) --->> INTERNET,This is my configuration, but it doesn't work, the end user still able to get more than 2Mbps internet speed.Access-list 100 permit ip any any dscp default,class-map match-all QoS_Floor_Limit, match access-group 100.
View 1 Replies
View Related
Mar 11, 2013
I would like if is possible to stack a Cisco 4900M with a 2960S. I know it is not the most common situation but i need it.
View 1 Replies
View Related
Feb 20, 2013
I would like to enable port security to hardcode the MAC address on the ethernet switch. There are 5 ethernet ports in the same ethernet switch to be assigned for one person (one note book), e.g. port 5, 6, 15, 16 and 23. The model of ethernet switch is cisco 2960S and one MAC address is configured on 2960S.
1. Does 2960S support this requirement to allow input the same MAC address to 5 different port?
2. If yes, can ethernet switch "smart" enough to forward the packages to "active" ethernet port which is connected to notebook and the rest of four ports are inactive.
3. if no, any solution or any work around to achieve this requirement
View 5 Replies
View Related
