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Navanshu Sehgal
‎09-24-2018
Navanshu Sehgal
Member since ‎07-29-2012
Cisco Employee
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16.6.3 Beta Image Availability

Created by Navanshu Sehgal Cisco Employee in Network Architecture Documents
‎12-01-2017 02:47 PM
‎12-01-2017 02:47 PM
  We are pleased to announce availability of Beta software for 16.6.3. 16.6.3 will be the second rebuild on the 16.6 release train targeted towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are looking for early feedback from customers before 16.6.3 software release is posted on CCO for General Availability (GA). This beta software addresses critical customer found defects which are mentioned below, along with the open caveats   Obtaining Pre-Release Software Please sign-up for the beta @ Sign-up Once above step is completed and NDA is signed, access to pre-released software will be made available to Cisco Beta Customers within 24 hours @ our share site [NOTE: Please make sure to use Aspera Client to download files. If downloading for the first time from shares.cisco.com you will be prompted to install Aspera Client on top of Website]   Issues and questions: For any issues, questions or feedback, please send email to ecsg-beta@external.cisco.com   Non-Disclosure Agreement:  This software and accompanied documentation is being provided to you under the non-disclosure agreement between you, your organization and Cisco. Please do not discuss this project and its features outside of the Beta related mailing lists   16.6.3 Beta Resolved Caveats      Defect ID                                                   Headline CSCvg56727 3850/3650 with 16.3.5/16.6.1 crashes with 'server-key' command using key of 128 characters or more CSCve66601 Crash in CISCO-SLB-EXT-MIB code CSCvf96466 GLC-TE 100M link shows notconnect after SFP reseat or reload 3850 CSCvf97328 16.3.5prd1: 1G SFP does not come up after SFP OIR on Orsted/Euclid with speed noneg config CSCvf97434 3650/3850: neconf return if-index value as 0 CSCvg25493 VLANs are not programmed correctly when configuration pushed using scripting tool. CSCvg71134 Cat9300: Cannot transmit more then 400 Bytes on mGig ports going to Intel NIC CSCvg76912 CFD: pnp config upgrade failed when IFS returns size 0 for all TFTP files CSCvf51884 QoS ingress cos classification failed on trust cos dot1q-tunnel port CSCvg01760 Traceback-CPUHog seen on the device CSCvg34039 WS-C3650-12X48UR : no traffic over tex/1/7 ports   Open Caveats   Defect ID                                                 Headline CSCvg85508 Crash when OCSP Server is reachable via interface where Certification Based MACSEC is configured. CSCvg74751 Cat3k - Memory Leak in pvp.sh Process CSCvg92736 Incorrect RPF failure for default MDT packets result in missing VRF PIM neighbors CSCvf27728 POLARIS: cat3k improve Last Reload Reason CSCvg01236 3850 not send out ARP to PBR nexthop CSCvg28089 Print message/error \"device will reload\" when running Diagnostic memory test CSCvg52053 Snooping binding table does not show wireless client on WS-C3850 CSCvg57114 3850 VTP mode not updated randomly when new mode is set by startup-config CSCvg67012 Deprecate the option of member flash# in upgrade/downgrade CLI for software install   ... View more

On egress interface you will

Created by Navanshu Sehgal Cisco Employee in Switching
‎05-26-2015 11:30 AM
‎05-26-2015 11:30 AM
On egress interface you will have to define a class which matches ef and then give the priority command to enable priority queuing. without this the router is not going to prioritize the traffic.   Priority queue makes sure that it is serviced if a packet arrives in that queue regardless of the packets in other queue.   A class with a queuing action (eg: priority bandwidth or shape) creates a queue.   Implementing QOS varies based on platform but the overall concept remains the same. Some catalyst switches like 6500 have priority queue by default if qos is enabled.   -Navanshu ... View more

I tried this in the lab and

Created by Navanshu Sehgal Cisco Employee in Switching
‎05-25-2015 11:30 PM
‎05-25-2015 11:30 PM
I tried this in the lab and found that using debug dtp packets and the output of "show dtp interface <>" the access port does not send DTP frames unless trunking is enabled.   Here is the sample output of show dtp interface:   LAN-SW-3750X_STACK#sh dtp int g2/0/2 (when trunking is enabled) DTP information for GigabitEthernet2/0/2:   TOS/TAS/TNS:                              TRUNK/ON/TRUNK   TOT/TAT/TNT:                              802.1Q/802.1Q/802.1Q   Neighbor address 1:                       000000000000   Neighbor address 2:                       000000000000   Hello timer expiration (sec/state):       2/RUNNING   Access timer expiration (sec/state):      never/STOPPED   Negotiation timer expiration (sec/state): never/STOPPED   Multidrop timer expiration (sec/state):   never/STOPPED   FSM state:                                S6:TRUNK   # times multi & trunk                     0   Enabled:                                  yes   In STP:                                   no   Statistics   ----------   0 packets received (0 good)   0 packets dropped       0 nonegotiate, 0 bad version, 0 domain mismatches,       0 bad TLVs, 0 bad TAS, 0 bad TAT, 0 bad TOT, 0 other   3 packets output (3 good)       3 native, 0 software encap isl, 0 isl hardware native   0 output errors   0 trunk timeouts   3 link ups, last link up on Sun Apr 10 2011, 12:37:48   3 link downs, last link down on Sun Apr 10 2011, 12:32:26 ... View more

QOS majorly involves

Created by Navanshu Sehgal Cisco Employee in Switching
‎05-25-2015 11:13 PM
‎05-25-2015 11:13 PM
QOS majorly involves classification marking/trusting and queuing. As you have already marked the traffic the switch/router needs to know which queue should be used to pass traffic in different queues which can be configured to police shape give bandwidth etc...   On a switch if QOS is enabled queues are used based on the mls-qos maps where as on router we need to create service-policy to define egress queuing. Each class-map in the service-policy defines a queue which can then be configured as needed.     ... View more
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Date Registered ‎07-29-2012 09:08 AM
Date Last Visited ‎09-24-2018 05:06 PM
Total Messages Posted 5
Total Helpful Votes Received 6
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