Cisco Catalyst 3750 G cable StackWise Query

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• Cisco Catalyst 2960-S switch configured for 802. 1 x sends a query to access the Radius Server Radius

  Setup

  Cisco Catalyst 2960-S running 15.0.2 - SE8

  Under Centos freeRadius 6.4 RADIUS server

  Client (supplicant) running Windows 7

  When Windows client is connected to the port (port 12 in my setup) with authentication of 802. 1 x active switch, show of Wireshark that catalyst sends ask EAP and the client responds with EAP response. But it made not the request to the Radius server. The RADIUS test utility 'aaa RADIUS testuser password new-code test group' works.
  Here is my config running. Any advice would be greatly appreciated.
  #show running mySwitch-
  mySwitch #show running-config
  Building configuration...

  Current configuration: 2094 bytes
  !
  version 12.2
  no service button
  horodateurs service debug datetime msec
  Log service timestamps datetime msec
  no password encryption service
  !
  hostname myswitch
  !
  boot-start-marker
  boot-end-marker
  !
  activate the password secret 5 $1$ Z1z6$ kqvVYRQdVRZ0h8aDTV5DR0 enable password!
  !
  !
  AAA new-model
  !
  !
  AAA dot1x group group radius aaa accounting dot1x default start-stop radius authentication group!
  !
  !
  AAA - the id of the joint session
  1 supply ws-c2960s-24ts-l switch
  !
  !
  !
  !
  !
  control-dot1x system-auth
  pvst spanning-tree mode
  spanning tree extend id-system
  !
  !
  !
  !
  internal allocation policy of VLAN no ascendant interface FastEthernet0 no stop ip address!
  GigabitEthernet1/0/1 interface
  !
  interface GigabitEthernet1/0/2
  !
  interface GigabitEthernet1/0/3
  !
  interface GigabitEthernet1/0/4
  !
  interface GigabitEthernet1/0/5
  !
  interface GigabitEthernet1/0/6
  !
  interface GigabitEthernet1/0/7
  !
  interface GigabitEthernet1/0/8
  !
  interface GigabitEthernet1/0/9
  !
  interface GigabitEthernet1/0/10
  !
  interface GigabitEthernet1/0/11
  !
  interface GigabitEthernet1/0/12
  switchport mode access
  Auto control of the port of authentication
  dot1x EAP authenticator
  !
  interface GigabitEthernet1/0/13
  !
  interface GigabitEthernet1/0/14
  !
  interface GigabitEthernet1/0/15
  !
  interface GigabitEthernet1/0/16
  !
  interface GigabitEthernet1/0/17
  !
  interface GigabitEthernet1/0/18
  !
  interface GigabitEthernet1/0/19
  !
  interface GigabitEthernet1/0/20
  !
  interface GigabitEthernet1/0/21
  !
  interface GigabitEthernet1/0/22
  !
  interface GigabitEthernet1/0/23
  !
  interface GigabitEthernet1/0/24
  !
  interface GigabitEthernet1/0/25
  !
  interface GigabitEthernet1/0/26
  !
  interface GigabitEthernet1/0/27
  !
  interface GigabitEthernet1/0/28
  !
  interface Vlan1
  IP 10.1.2.12 255.255.255.0
  !
  IP http server
  IP http secure server
  activate the IP sla response alerts
  recording of debug trap
  10.1.2.1 host connection tcp port 514 RADIUS-server host 10.1.2.1 transport auth-port 1812 acct-port 1646 timeout 3 retransmit testing123 key 3.
  Line con 0
  line vty 0 4
  password password
  line vty 5 15
  password password
  !
  end

  interface GigabitEthernet1/0/16
  !
  interface GigabitEthernet1/0/17
  !
  interface GigabitEthernet1/0/18
  !
  interface GigabitEthernet1/0/19
  !
  interface GigabitEthernet1/0/20

  Have you run wireshark on the server because the request to switch? If so you make sure that there is a response from the server? For Windows network POLICY Server (I've never tried Centos), you must ensure that the request is related to a policy which then authenticates, or denies access. Usually, it is a matter of such attributes and the seller.

  Regarding the configuration, it seems a bit out of the AAA. Try to remove the:

  line "aaa dot1x group service radius authentication" and this by using instead:

  "aaa dot1x default radius authentication group". After the dot1x word you are supposed to provide a list of the authentication or the default Word if you do not want to use a list.

• 6248 FI Cisco's UCS with Cisco catalyst 2960 connectivity

  In our environment, UCS, connects the two fabric as a Cisco Nexus 9 k switch upstream with vPC and it works well. But we need to isolate some virtual servers on the blades of the UCS on an entirely separate DMZ switch which is Cisco catalyst 2960.

  (1) so can we connect cables separate physical twinax of FI uplink ports to catalyst 2960 and connectivity to the servers in the DMZ keeping YEW to nexus connectivity as it is?

  (2) in this case, as there are 2 switches to nexus core 1 and 2 so we will require 2 cisco catalyst 2960 for disjoint such a network? or otherwise we can connect A FI and FI B to one on his 2 numbers 2960 switch. Gig SFP ports + 10?

  (3) also suggest things must be taken in charge, the best guides practice or an illustration in this context.

  The assignment is static and cannot be changed.

  location 1 - uplink 1

  slot 2 - uplink 2...

  If a property has no blade, the corresponding uplink is not used and that can not be changed!

  This dedication of uplinks of IOM is of course a lot of resources: cables, ports on FI, allowed port,...

• CBWFQ on Catalyst 3750 Switch

  Cisco switch Catalyst 3750 does support QoS CBWFQ?

  I would understand if the catalyst IOS supports control of bandwidth to a class and offer a minimum bandwidth in a situation of congestion. I have a few applications that need to increase its flow when other classes use their bandwidth. On my 3750 I don't see bandwidth control.

  Thank you very much.

  Hi you should not have to configure the qos of the mls, just use the political function of the to apply, but from what I remember there are restrictions on 3750 s I don't think you can apply the outbound policy only entrants, but he was able to change most recent IOS, I have not tested recently

  It is a good doc on 3750 s qos

  http://www.Cisco.com/c/en/us/TD/docs/switches/LAN/catalyst3750/software/...

• VXLAN on UCS: IGMP with Catalyst 3750, 5548 Nexus, Nexus 1000V

  Hello team,

  My lab consists of Catalyst 3750 with SVI acting as the router, 5548 Nexus in the vpc Setup, UCS in end-host Mode and Nexus 1000V with segmentation feature enabled (VXLAN).

  I have two different VLAN for VXLAN (140, 141) to demonstrate connectivity across the L3.

  VMKernel on VLAN 140 guests join the multicast fine group.

  Hosts with VMKernel on 141 VLAN do not join the multicast group.  Then, VMs on these hosts cannot virtual computers ping hosts on the local network VIRTUAL 140, and they can't even ping each other.

  I turned on debug ip igmp on the L3 Switch, and the result indicates a timeout when he is waiting for a report from 141 VLAN:

  15 Oct 08:57:34.201: IGMP (0): send requests General v2 on Vlan140

  15 Oct 08:57:34.201: IGMP (0): set the report interval to 3.6 seconds for 224.0.1.40 on Vlan140

  15 Oct 08:57:36.886: IGMP (0): receipt v2 report on 172.16.66.2 to 239.1.1.1 Vlan140

  15 Oct 08:57:36.886: IGMP (0): group record received for group 239.1.1.1, mode 2 from 172.16.66.2 to 0 sources

  15 Oct 08:57:36.886: IGMP (0): update EXCLUDE group 239.1.1.1 timer

  15 Oct 08:57:36.886: IGMP (0): add/update Vlan140 MRT for (*, 239.1.1.1) 0

  15 Oct 08:57:38.270: IGMP (0): send report v2 for 224.0.1.40 on Vlan140

  15 Oct 08:57:38.270: IGMP (0): receipt v2 report on Vlan140 of 172.16.66.1 for 224.0.1.40

  15 Oct 08:57:38.270: IGMP (0): group record received for group 224.0.1.40, mode 2 from 172.16.66.1 to 0 sources

  15 Oct 08:57:38.270: IGMP (0): update EXCLUDE timer group for 224.0.1.40

  15 Oct 08:57:38.270: IGMP (0): add/update Vlan140 MRT for (*, 224.0.1.40) by 0

  15 Oct 08:57:51.464: IGMP (0): send requests General v2 on Vlan141<----- it="" just="" hangs="" here="" until="" timeout="" and="" goes="" back="" to="">

  15 Oct 08:58:35.107: IGMP (0): send requests General v2 on Vlan140

  15 Oct 08:58:35.107: IGMP (0): set the report interval to 0.3 seconds for 224.0.1.40 on Vlan140

  15 Oct 08:58:35.686: IGMP (0): receipt v2 report on 172.16.66.2 to 239.1.1.1 Vlan140

  15 Oct 08:58:35.686: IGMP (0): group record received for group 239.1.1.1, mode 2 from 172.16.66.2 to 0 sources

  15 Oct 08:58:35.686: IGMP (0): update EXCLUDE group 239.1.1.1 timer

  15 Oct 08:58:35.686: IGMP (0): add/update Vlan140 MRT for (*, 239.1.1.1) 0

  If I do a show ip igmp interface, I get the report that there is no joins for vlan 141:

  Vlan140 is up, line protocol is up

  The Internet address is 172.16.66.1/26

  IGMP is enabled on the interface

  Current version of IGMP host is 2

  Current version of IGMP router is 2

  The IGMP query interval is 60 seconds

  Configured IGMP queries interval is 60 seconds

  IGMP querier timeout is 120 seconds

  Configured IGMP querier timeout is 120 seconds

  Query response time is 10 seconds max IGMP

  Number of queries last member is 2

  Last member query response interval is 1000 ms

  Access group incoming IGMP is not defined

  IGMP activity: 2 joints, 0 leaves

  Multicast routing is enabled on the interface

  Threshold multicast TTL is 0

  Multicast designated router (DR) is 172.16.66.1 (this system)

  IGMP querying router is 172.16.66.1 (this system)

  Multicast groups joined by this system (number of users):

  224.0.1.40 (1)

  Vlan141 is up, line protocol is up

  The Internet address is 172.16.66.65/26

  IGMP is enabled on the interface

  Current version of IGMP host is 2

  Current version of IGMP router is 2

  The IGMP query interval is 60 seconds

  Configured IGMP queries interval is 60 seconds

  IGMP querier timeout is 120 seconds

  Configured IGMP querier timeout is 120 seconds

  Query response time is 10 seconds max IGMP

  Number of queries last member is 2

  Last member query response interval is 1000 ms

  Access group incoming IGMP is not defined

  IGMP activity: 0 joins, 0 leaves

  Multicast routing is enabled on the interface

  Threshold multicast TTL is 0

  Multicast designated router (DR) is 172.16.66.65 (this system)

  IGMP querying router is 172.16.66.65 (this system)

  No group multicast joined by this system

  Is there a way to check why the hosts on 141 VLAN are joined not successfully?  port-profile on the 1000V configuration of vlan 140 and vlan 141 rising and vmkernel are identical, except for the different numbers vlan.

  Thank you

  Trevor

  Hi Trevor,

  Once the quick thing to check would be the config igmp for both VLAN.

  where did you configure the interrogator for the vlan 140 and 141?

  are there changes in transport VXLAN crossing routers? If so you would need routing multicast enabled.

  Thank you!

  . / Afonso

• SG500 vs Catalyst 3750 command set

  Hello world!

  Could you give me the main differences between the set of commands SG500 and Catalyst 3750?

  Thanks in advance!

  Hello Gio, it cannot really be quantified. Not only is there a set difference command there a difference in functionality.

  The primary opposition between SB vs the catalyst switches happen is how they deal with the VLAN. On a Catalyst switch, if you do a port a trunk and do not specify a VLAN on the port, all the VLANS will be passthrough port.

  On all switches of SB, you must specify the VLAN and follow the guidelines of 802. 1 q, which means, vlan native unidentified, all the VLANS additional added to a port. In addition, a trunk port applies the filtering of capture (rejected a package where him VLAN does not fall on the port).

  In addition, the vlan, VoIP is a global configuration

  config t

  ID of the vlan 100 voices

  On a catalyst usually build you a policy then indicate this vlan voice on the port. If you specify a vlan voice on the port a SG500 it "will allow phone Yes" which is usually the opposite of the desired result.

  Another notable difference, a catalyst using the terminal command length 0 for output, the SB switches use terminal datadump

  Here's the CLI guide for the 500 series. You will actually receive a complete response, a few entries experiences user but that may be better than nothing.

  http://www.Cisco.com/en/us/docs/switches/LAN/CSBMs/Sx500/cli_guide/CLI_500.PDF

  -Tom
  Please mark replied messages useful

• PC8132F to Cisco Catalyst 3600

  Nice day

  I hope someone can help me here, I'll have questions, get a channel on port with 802. 1 q, working between a stack of 2 devices of the switches 8132F and a single Cisco Catalyst 3600, this switch series switch cannot be removed due to regulations graduates by a Government Department that works to and I need to put an effective link between the switch and our new 8132F switches (this was easy until the network was fully Cisco) but for the life of me I can't not operate. When I connect the ports (well I connect only 1 because I'm testing only at this stage, in the end, it will be two)

  Here's the configs for two switches

  Cisco:

  Interface Port-Channel 4

  Description box EtherChannel to Dell Core

  switchport trunk encapsulation dot1q

  switchport trunk allowed vlan 1-4

  switchport mode trunk

  broadcast storm control 60.00

  interface GigabitEthernet1/3

  Description box to Dell Core EtherChannel * PORT 01 *.

  switchport trunk encapsulation dot1q

  switchport trunk allowed vlan 1-4

  switchport mode trunk

  broadcast storm control 60.00

  spanning tree portfast trunk

  spanning tree guard root

  channel-group mode 4 on

  !

  interface GigabitEthernet1/4

  Description box to Dell Core EtherChannel * 02 PORT *.

  switchport trunk encapsulation dot1q

  switchport trunk allowed vlan 1-4

  switchport mode trunk

  broadcast storm control 60.00

  spanning tree portfast trunk

  spanning tree guard root

  channel-group mode 4 on

  !

  Dell:

  interface port-channel 24
  Description "2 Port EtherChannel link Cisco 3600"
  switchport mode trunk
  switchport trunk allowed vlan 1-4
  dvlan-tunnel mode
  port-channel min-links 1
  output
  !
  interface Te1/0/24
  Description "2 Port EtherChannel link Cisco 3600"
  active in mode channel-group 24
  Storm-control broadcasts 60
  switchport mode trunk
  switchport trunk allowed vlan 1-4
  dvlan-tunnel mode
  output
  !
  interface Te2/0/24
  Description "2 Port EtherChannel link Cisco 3600"
  active in mode channel-group 24
  Storm-control broadcasts 60
  switchport mode trunk
  switchport trunk allowed vlan 1-4
  dvlan-tunnel mode
  output

  Any help would be appreciated more

  Concerning

  Justin

  jpsimmonds, I sent an email and look forward to your response.

• PoE for Cisco Catalyst 2960PD-8TT-L

  Hello

  Will deploy this device for a small office. Just a quick question, a Cisco Catalyst 2960PD-8TT-l switch provides PoE on all its 8 ports or simply powered through his PoE uplink port.

  Read the URL below, but did not have much info. TIA!

  http://www.Cisco.com/en/us/prod/collateral/switches/ps5718/ps6406/produc...

  Sent by Cisco Support technique iPhone App

  Sorry John, my comment is not directed at you.  The link you posted, the content is very, the lack of a better term, misleading.

  http://www.Cisco.com/en/us/products/ps12200/prod_models_comparison.html

  Go to this site instead.  It shows that the model you have chosen has NO PoE.  Instead, it uses the PoE of a switch upstream to turn.

• Cisco Catalyst 6509 and 6513 goes into config race disk0: / Backup Script

  We use a Cisco Catalyst 6509 and 6513 switches in our network LAN and Man.

  Please help me and share the script to take backup of all respective running to their disk0 configuration switches: / per week.

  Double post.

• Cisco Catalyst 6509 and 6513 running config backup to their respective disk0: / Script

  We use a Cisco Catalyst 6509 and 6513 switches in our network LAN and Man.

  Please help me and share the script to take backup of all respective running to their disk0 configuration switches: / per week.

  Kind regards

  Vinay

  Double post.

• Issue of QoS Catalyst 3750

  Hello

  I have a scan server (IP = 1.2.3.4 for this example) who wreaks havoc when it works, which is evident in the number of drops of output I see.  I thought the police thing, but it is a production environment and 3750-G switch does not support Netflow or any other tool that would provide accurate estimates of flow to work from.

  So, my thoughts are rather to implement queuing for the scan server and limit his access to common buffers, etc..  I would like to have some feedback on the config.  (I've included notes in an attempt to illustrate my thought.)

  !**| Catalyst 3750-G | **
  !
  ! * Activate QoS
  !
  MLS qos
  !
  ! * Create custom queue-set
  ! * increase buffer 1 and disable the stamp 4
  !
  MLS qos all the output queue 2 buffers 50 25 25 0
  !
  ! * To queue 1, make available to the threshold of 1 full buffer,
  ! * reserve full buffer for the local queue only, enable
  ! * queue to borrow 3 x more common pool pads.
  !
  MLS qos all the queue of output 2 1 100 100 100 400 threshold
  !
  ! * To queue 3, make available to the threshold of 1 full buffer,
  ! * reserve 30% of buffer for the local queue only, enable
  ! * queue to borrow 4 x more common pool pads.
  !
  MLS qos all the queue of output 2 3 100 100 33 165 threshold
  !
  ! * Assign values DSCP 16, 18, 20, 22 & to queue 1;
  ! * assign values DSCP 8, 10, 12, 14 & the queue of 3
  !
  queue threshold 1 dscp-map of MLS qos srr-queue output 1 16 18 20 22
  queue threshold 3 dscp-map of MLS qos srr-queue output 1 8 10 12 14
  !
  ! * To be complete, assign COS values associated with the same queues.
  !
  queue threshold cos 1-map of MLS qos srr-queue output 1 2
  queue threshold cos 3-map of MLS qos srr-queue output 1 1
  !
  ! * Access-list 130 identifies (bidirectional) scan traffic.
  !
  IP access-list 130 allow any host 1.2.3.4
  access-list 130 allow the host ip 1.2.3.4 everything
  !
  ! * Create a class map to match previously configured access group.
  !
  class-map correspondence-any CM-SCANS
  Description * no critical analysis traffic
  game group-access 130
  output
  !
  ! * Create policy-map to assign a DSCP values to analyze default traffic.
  !
  Policy-map PM-QOS-IN
  Description * Ingress QoS strategy
  class of CM-SCANS
  set ip dscp af11
  output
  !
  class class by default
  set ip dscp af21
  output
  output
  !
  ! * Assign the queue-series 2 and/or service-policy (single entry) if required.
  !
  gix/x/x interface
  queue-series 2
  entry of service-politics-PM-QOS-IN
  output
  !

  PS - There is no voice that cross this switch, so I don't see it had to book the queue 1 for voice or turn on the priority queue, etc..

  Any help is appreciated.  Thank you in advance.

  Disclaimer

  The author of this announcement offers the information in this publication without compensation and with the understanding of the reader that there is no implicit or explicit adequacy or adaptation to any purpose. Information provided is for information purposes only and should not be interpreted as making the professional advice of any kind. Use information from this announcement is only at risk of the reader.

  RESPONSIBILITY

  Any author will be responsible for any wha2tsoever of damage and interest (including, without limitation, damages for loss of use, data or profits) arising out of the use or inability to use the information in the view even if author has been advised of the possibility of such damages.

  Poster

  Well, then you're a little stuck trying to manage the flow of this server.  Unless you want to look at the penetration of the port police server and/or to "shape" the output port.  The idea being, if you can slow down the movement of this server, you might avoid configuration QoS requirements.

  Otherwise, you're on the right track, in what you're trying to do.

  You may want to traffic of tag to this server as 'trap' (CS1).  Ideally, you may be able to distinguish the traffic 'scan' of other traffic to and from this server.

  On treatment of output of your QoS policy, rather than create a 'special' configuration to handle this traffic, you should consider having a policy that has a low priority class (scavenger), which is where direct you this traffic.  That is a policy of 4 class that takes in charge in time real (PQ), foreground (twice in 10 x % of the default value), by default and the background (1%), planning priorities.

  3750 of buffer management, I found the setting of thresholds all up and moving more if not all buffers to the pool, usually works quite well.

• Connection Cisco UCS 6120 FI directly to Cisco Catalyst 6500?

  I watch a lot of design with the Cisco UCS solution guide and everywhere it is Cisco Nexus 5000/7000 connects to the uplink ports of Cisco UCS 6120 FI with the benefits of technology to the vPC.

  How about connect Cisco UCS 6120 FI directly to 10GE ports in Cisco Catalyst 6500 (without VSS and VSS)? It is possible to design?

  If I use C6500VSS there will be port-channel of the aggregation of the UCS Nx10GE all the bandwidth?

  And what happens if I use C6500 (without VSS) - how it will be on the many links between UCS and two boxes C6500? It will be blocked by STP? A little on the other?

  Please explain to me, because we have only C6500 switches in our data center and want to test a Cisco UCS schassis.

  Yes, you can connect the 6120 s to cat6500s with or without vs. With VSS, you get a vPC as port channel where 2 links to a single 6120 can be connected to different 2 6500 s in a port LACP-channel.

  VSS is not necessary, you can connect a 10 G uplinks / 1 G of 1 or more of a 6120 at cat6500s. I you have 2 cat6500s (non - vss) and 2 uplinks by 6120, then you want to connect 1 cat6500-1 and the other to cat6500-2. I would recommend going ahead and creating a single port-channel port so that you can easily add the uplinks in the furture without interruption of service.

  Ideally, for non - vss, I would have 4 10 uplinks by 6120; 2 in a channel port cat6500-1 and 2 in a port in cat6500-2 channel

• Problem with VLAN between Cisco Catalyst (3560G) and SG300-52

  I am having trouble with the creation of a trunk of vlan between a SG300-52 and a Cisco Catalyst 3560 G.  I have 4 VLANS (1, 2, 10 and 11) on the 3650 and I need ports on the SG300 to be able to communicate with them.

  On the 3560, port 14 is defined as:

  interface GigabitEthernet0/14

  switchport trunk encapsulation dot1q

  switchport mode trunk

  spanning tree portfast

  On the Sg300 port 52 is defined as:

  interface GigabitEthernet52

  point to point link type spanningtree

  switchport trunk allowed vlan add 1,2,10,11

  description macro switch

  Try to understand what the problem... Any help would be appreciated.

  Thank you

  Chris

  Hi Chris, the first problem is the spanning tree portfast, it shouldn't be on an interconnection network switch. You may have a mismatch of vlan native as well, but that shouldn't matter.

  A suggestion, however, the value of the port SG300 general mode and disable the input filter.

  -Tom
  Please mark replied messages useful

• Cisco Catalyst 4503-&gt; Cisco 3560 L3-&gt; Cisco 2960 L2-&gt; Cisco SMB switch

  Hi Experts,

  I am trying to add a Cisco SMB SF300 - 24 Switch to an infrastructure that has only the Cisco Catalyst switches

  The base layer is Cisco Cataylst 4503. Distribution is Cisco Catalyst 3560 and Cisco 2960 switches access layer.

  There are about 30 VLAN present in the infrastructure that is announced to all switches using VTP. Inter VLAN routing takes place at basic switches

  by creating the Interface VLAN for each VLAN of L2.

  1. the new 150 VLAN must be created on the new Cisco SMB switch. If I create a corresponding interface 150 VLAN on core switches, it will forward the other VLANs traffic just as he is currently working for Cisco 2960 Catayst switches?

  2. While they inspected, I could see that the DERIVATIVE is not supported on the Cisco SMB switches and I would need to go GVRP if I need to make advertising information to other switches VLAN. But since GVRP is only supported on CatOS and there is no inter operability between GVRP and DERIVED, I would need to manually create the VLAN on the new switch. Is this correct?

  Help, please!

  Thank you very much

  ANUP

  Good afternoon Anup Sasikumar

  Please use our forum

  My name is Johnnatan I am part of the community of support to small businesses, I saw your post and I understand that you want to configure VTP and GVRP.

  I'm afraid you will have to configure it manually each Vlan in each device CatOS GVRP, in order to keep their databases vlan in sync. As you say, VTP is support it not in CatOS

  You can try to connect the two protocols, but I encourage you do not follow this procedure.

  On your question about intervlan routing, if you create a corresponding interface 150 VLANS on switches to base it is routed, if your configuration is correct (port access, ports of junction, intervlan etc..)

  I hope that you will find this answer useful, if it was satisfactory to you, please indicate the question as answer.

  Please evaluate the useful messages.

  Greetings,

  Johnnatan Rodriguez Miranda.

  Support of Cisco network engineer

• Replacement Module supervisor in Cisco Catalyst 6500 VSS 1440

  Hello forum Cisco team!

  I am trying to replace a defective supervisor (Sup720 VS 10 G) on a pair of Catalyst 6509 VSS. I received the RMA and the document Replace Module, supervisor of the Cisco Catalyst 6500 Virtual Switching System 1440 (the document is attached) with the procedure. After going through the steps, I have a few questions during the installation of the new supervisor:

  1. do all links (including the VSL) must be connected before feeding the new supervisor? It comes from before that image and the boot config is copied to the new supervisor.

  2. once the startup config and the image is copied from the active VSS switch in the new supervisor, the document said to check orders for priority switch in the copied startup config form the active VSS, but the priority of each switch is not stored in the startup configuration as far as I know. Can you please clarify this?

  My goal is to add the new supervisor engine without disrupting the current active VSS switch.

  Thank you in advanced for your support!

  Hey,.

  With regard to your questions:

  1. do all links (including the VSL) must be connected before feeding the new supervisor? It comes from before that image and the boot config is copied to the new supervisor. - Yes

  2. once the startup config and the image is copied from the active VSS switch in the new supervisor, the document said to check orders for priority switch in the copied startup config form the active VSS, but the priority of each switch is not stored in the startup configuration as far as I know. Can you please clarify this? - Once you convert the switch for VSS priorities will be stored in the startup configuration file. Please visit the following link:

  http://www.Cisco.com/c/en/us/TD/docs/switches/LAN/catalyst6500/IOS/12-2Sx/configuration/guide/book/VSS.html#wp1111770

  However, it is no longer recommended and therefore should be avoided. I suggest you not setting is not the priority.

  HTH.

  Kind regards

  RS.