Cisco WAN :: QoS (dscp-to-exp Mutation) On Sup-2T / Cat6500?
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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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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Jan 9, 2012
I am running a smaller hosting company and i am currently looking at a Cat6506 switch with a SUP720 Supervisor Engine. I have also been looking at a Cat6509 with a SUP2-GE Supervisor Engine. At the moment i am getting my connection from a ISP but i am going to get my own BGP AS now.. My question is just, how much will the SUP720 be able to route, and how many routes will i need to get it to route my packets in and out of my AS? I have seen that the full BGP table is over 400,000 and the SUP720 is only capable of 256,000, but do i really need the full table? I
major differences between the SUP720 and SUP2-GE Supervisor Engines?
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May 6, 2012
I need to use IP SLA to monitor remote routes on CAT6500
CAT6500 is running "sup-bootflash:s72033-jk9o3sv-mz.122-18.SXD7b.bin" on SUP720
Feature Navigator said it is
ENT FW W/MPLS/IPV6/SSH/3DES After drill down into feature set I found that this version support for IP SLA such IP SLAs - ICMP Path Echo Operation
BUT, back to console I can not do such (config) ip sla command (not found cmd CAT6500(config)# ip sla 1) What I did wrong or others cmd imply this ip sla process?
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Jul 31, 2011
I have to do a policy route on my cat6500. basically, I want to redirect all traffic from 10.1.1.100 to internet address xxx.xxx.xxx.xxx to another machine 10.1.1.101. however, the 10.1.1.100 and 10.1.1.101 are in save subnet. not directed to cat6500, but both connecte to same switch which is linked to cat6500. However the 10.1.1.101 is not a cisco router. but some sort of equipment which change traffic and pass them to another subnet.
that means can I do below:
access-list 101 permit ip host 10.1.1.100 host xxx.xxx.xxx.xxx
route-map reroute permit 10
march ip address 101
[Code].....
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Apr 9, 2012
we have two wisms in a cat6500, I wonder how can you log into the wism from the switch. to be more specifically, how can I know the processor number?
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Mar 17, 2012
I want to use the ACE blade in CAT6500 to loadbalancing SYSLOG events towards (SIEM) collectors. Servers and network devices will sent there syslog messages to different collectors after being loadbalanced by ACE. I was just wondering, since a lot of clients are going to sent there complete syslog events to the VIP and thus introducing a high connection rate. (+/- 200.000 CPS) According to the specs, the ACE blade has a limitation of 325.000 connection per second. I suppose this is a limitation at device level. (not on a per context basis, and does that include both TCP and UDP packets?) Could the UDP BOOST feature might come in handy allowing very high rate UDP syslog packet loadbalancing?
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Jun 19, 2012
how to clear vty line? Please see below. A sh tcp <line number> shows that the TCB is waiting for TCP Process. The TCP processs TCB is waiting for is SSH. I believe because of this ssh process still running, the vty line cannot be cleared.
sh users
Line User Host(s) Idle Location
1 vty 0 pf 10.10.20.8 9w1d 10.10.1.54
2 vty 1 pf 10.10.1.16 35w0d 10.10.1.54
3 vty 2 pf 10.10.1.16 1y14w 10.10.1.54
[code].....
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Jan 1, 2012
What this crash means? This is a 6509 with a single Sup720 Cisco IOS Software, s72033_rp Software (s72033_rp-ADVIPSERVICESK9_WAN-M), Version 12.2(33)SXI, RELEASE SOFTWARE (fc2)System returned to ROM by s/w reset at 04:42:07 PST8PDT Mon Jan 2 2012 (SP by bus error at PC 0x40C6681C, address 0x424B).
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May 22, 2012
i have fwsm in cat6500, i have one firewall vlan group which is in firewall module 1 vlan group 10. I need tocreate another vlan group and add to firewall module 1 vlan group 10, 20. i need to have zero downtime.
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Jun 4, 2012
I am planning to upgrade my cat6500 using ISSU but can not find my doc to follow yet.
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Jan 3, 2013
I am trying to figure out if the new code for ASA SM 9.0(x) or 9.1 is compatible with CAT6500 but I could not find any document that explicity confirms the the INCOMPATIBILITY. This table from the Release notes is not quite clear.
[URL]
It says that code 8.5 is compatible with Cat6500 and version 9.X is compatible with R7600.So are the two different trains now, one for Cat6500 and one for R7600?
My real goal is to find the correct software versions (not interim) that provides compatilibity with Catalyst 6500 with Supervisor 2T and ASASM.
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Apr 12, 2012
Using the new SUP-2T, need to clarify one query. If we are using the new SUP-2T in VSS mode, will the new ASA service module and NAM-3 are supported? From Cisco site, ASA module FAQ:
Q. Will the ASA Services Module support the Cisco Catalyst Virtual Switching System (VSS) at FCS?
A. Yes, depending on which supervisor you use. The ASA Services Module supports VSS either as a single firewall or as a failover pair of firewalls, when used with the Supervisor 720-10G (VS-S720-10G-3C and VS-S720-10G-3CXL). Transparent and multi- context modes also work with the VSS in this configuration. However, though the SUP 720-3B (WS-SUP720-3B and WS-SUP720-3BXL) is supported by the ASA Services Module, it is not capable of supporting the VSS. No reference to Supervisor-2T.
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Oct 30, 2012
We have IP device on the farm switch(cat6500, which is an access layer siwtch), with the gateway on the core switches (Nexus7000), on the core when I do show ip arp, I found the mac.But when I do sh mac add add of that mac there is no port attached to that mac.
Since that particular vlan only resides on the cat 6500 and two cores, so I logged in to the 6500, and when I show mac- in that vlan, I didn’t find that mac addresss. Instead, I found another mac address with last 8bit are the same of that mac.
Is it some kind VIP of the mac? How so, if no port, how can the switch forward the frame? [code]
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Jan 11, 2012
I wonder whethere it is possible to check the the IOS version on the standby sup720 of a 6500? if yes, what command would you use?
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Jul 24, 2011
I have 2 FWSM running on 2 Cat6500 chassis, they work as a Active/Stanby group. Firewall mode is transparent. [code] HA is running well, but I can not ping the standby IP (10.98.1.248). So what could be the problem?
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Mar 16, 2011
i will be creating combination of SPAN and RSPAN on catalyst 6506 according to the link
[URL]
im planning to implement this on two 6506 switches will this work? or do i violate the number of monitor session? sorce span?
sw1
monitor session 1 source interface Fa5/18monitor session 1 destination interface Fa5/48
monitor session 2 source interface Fa6/34monitor session 2 destination interface
[Code].....
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Nov 15, 2012
I get a unclear log entry in a VSS system.
Me_Kr #1 ME_KR_ERROR_CNT_LTL_PARITY_ERR_ITRP_0_0[01C8] : INTR= 0001 MASK= 0001
Me_Kr #1 ME_KR_ERROR_CNT_LTL_PARITY_ERR_ITRP_0_0[01C8] : INTR= 0001 MASK= 0001
Me_Kr #1 ME_KR_ERROR_CNT_LTL_PARITY_ERR_ITRP_0_0[01C8] : INTR= 0001 MASK= 0001
Me_Kr #1 ME_KR_ERROR_CNT_LTL_PARITY_ERR_ITRP_0_0[01C8] : INTR= 0001 MASK= 0001
[code]....
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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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Mar 27, 2013
I am having problems with IGMP and QoS on CAT6500 platform with SUP720 engine.The problem is, it seems that all IGMP packets are getting marked with DSCP 48 when sent out of the switch regardless of any input service policy. I found several articles saying that PFC QoS does not apply to IGMP packets. However in IOS 15 that should be possible, but I didn't get it to work there either. [code]
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Nov 14, 2011
Assuming I have the following setup: Cisco 7604 Cisco Systems Cisco 7600 4-slot Chassis System OSR-7600 Clock FRU 1 & 2WS-F6K-MSFC2A Cat6k MSFC 2A daughterboard Rev. 4.0 WS-F6K-PFC3B Policy Feature Card 3 Rev. 2.4 WS-SUP32-GE-3B 9 ports Supervisor Engine 32 8GE Rev. 4.6 WS-X6148A-GE-TX 48-port 10/100/1000 RJ45 EtherModule Rev. 4.1WS-X6548-GE-TX SFM-capable 48 port 10/100/1000mb RJ45 Rev. 11.3 The SUP32-3c says it supports both L2VPN and L2TPv3, however the line cards are effectively 6500 line cards and I was under the impression the 6500 didn't support these.
If the supervisor supports a feature does that mean it is globally supported on a switch? Or do I need to check the compatibility of these line cards as to if they support these features?
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Feb 10, 2013
I recently rebuilt the configuration of our Cat6500 multilayer device for use as a user stack. The device is funtioning as it should be, but I am unable to set SSH using the 'crypto key generate rsa' command. The crytop command isn't avaiable at all, which suggests a firmware issue.
I have configured a hostname and Ip domain-name and the image is the only one available.
The show version output is listed below.
show verCisco Internetwork Operating System SoftwareIOS (tm) s72033_rp Software (s72033_rp-IPSERVICES_WAN-VM), Version 12.2(18)SXF12, RELEASE SOFTWARE (fc2)Technical Support: [URL] Copyright (c) 1986-2007
[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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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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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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Jan 30, 2013
i have a campus network with 2 core Cat6500 and multiple 4500 series distribution switches plus 2960 series access switches,we have deployed IPTV system in the network but currently 50 TVs are working through sattelite stream from streaming server Cisco's DCM 9900.we are planning to add more 300 TVs in the network and i am wondering that when all of them will be deployed then what will happen for switches cpu utilizations when all the Tvs will be running on the same time with different different channels.
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Apr 17, 2013
If I monitor a trunkport on the rootbridge in both directions I get Duplicate Multicast Packets on the perticular VLAN. The first guess is, that this is worked as designed and not a IOS Bug (Platform CAT6500 SUP720 IOS 12.2(33)SXI9 ) Until know I only found an old Cisco press link from 2002 with this subject.
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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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