Online networking labs & tools

SharonTools

UCS Boot From San troubleshooting

How to check why a UCS blade server can’t boot from san

UCS-LAB-A# connect adapter 1/4/1
adapter 1/4/1 # 
adapter 1/4/1 # connect
adapter 1/4/1 (top):1# 
adapter 1/4/1 (top):1# attach-fls
adapter 1/4/1 (fls):1# 
adapter 1/4/1 (fls):1# vnic
---- ---- ---- ------- -------
vnic ecpu type state   lif
---- ---- ---- ------- -------
7    1    fc   active  4
8    2    fc   active  5
adapter 1/4/1 (fls):2# 
adapter 1/4/1 (fls):2# lunlist 7
vnic : 7 lifid: 4
  - FLOGI State : flogi est (fc_id 0x910001)
  - PLOGI Sessions
     - WWNN 50:0a:09:81:88:dd:97:bf WWPN 50:0a:09:81:88:dd:97:bf fc_id 0x910003
       - LUN's configured (SCSI Type, Version, Vendor, Serial No.)
           LUN ID : 0x000a000000000000 (0x0, 0x4, NETAPP  , P4DsRoviYRlA)
       - REPORT LUNs Query Response
           LUN ID : 0x0004000000000000
           LUN ID : 0x000a000000000000
  - Nameserver Query Response
     - WWPN : 50:0a:09:81:88:dd:97:bf

 

 

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Show current hierarchical configuration for nexus switches

An alias I made for Cisco nexus switches  to show the current hierarchical configuration Rings 2017 streaming

(Works like cur in Alteon)

Exampe



SW1-1(config)#int e3/9

SW1-1(config-if)#cur

interface Ethernet3/9

  switchport

  switchport mode trunk

  switchport trunk native vlan 70

  switchport trunk allowed vlan 70,100

  no shutdown

SW1-1(config-if)#vdc SW1-4

SW1-1(config-vdc)#cur

vdc SW1-4 id 4

  limit-resource module-type m1 f1 m1xl

  allocate interface Ethernet1/25-32

  allocate interface Ethernet2/25-32

  allocate interface Ethernet3/31-48

  boot-order 1

  limit-resource vlan minimum 16 maximum 4094

  limit-resource monitor-session minimum 0 maximum 2

  limit-resource monitor-session-erspan-dst minimum 0 maximum 23

  limit-resource vrf minimum 2 maximum 4096

  limit-resource port-channel minimum 0 maximum 768

  limit-resource u4route-mem minimum 8 maximum 8

  limit-resource u6route-mem minimum 4 maximum 4

  limit-resource m4route-mem minimum 8 maximum 8

  limit-resource m6route-mem minimum 5 maximum 5

SW1-1(config-if)#The alias


cli alias name cur where detail | sed -n 2p | sed "s/^ *//" | sed "s/^/show run | sec '^/" | sed "s/$//" | vsh

Online lab fixed

For the last month, devices configuration did not reset every day,
Because of that, some devices was inaccessible,
The problem was in the script that responsible for reseting the devices for default configuration,
I fixed it and now all devices configurations are reset every 24 hours.

 

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New version of 9Ping

With the new version 9Ping can send Email notification,
This mail can contain detailed information about the ‘host down’ event.

  • You can configure multiple email addresses
  • You can limit Mails per minute / hour
  • Can send mails via Gmail account (Support SMTP TLS – Transport Layer Security for Outbound Mail)

 

 

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MAC Resolving database updated

Online tool – MAC Resolving OUI database has been updated,
Resolve Router / Server / Firewall/ ARP table to Vendor’s name for each record
Can use to resolve MAC address table from switches (Cisco, Juniper ..)

 

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Connection to labswitch added

 

Tunnel from online lab – Cisco Router 5 added to labswitch

At Labswitch you have Free 24×7 access to Cisco Catalyst switches to learn networking,
More details about labswitch at – http://labswitch.blogspot.com

For you to route between the labs, you must create your own tunnel between the labs
(R5 – int fa0/1 at this lab –> SW7 – int fa0/11 at labswitch.blogspot.com (net 10.10.11.0/24)
To Test connection ping to 10.10.11.1 (LAN at labswitch.blogspot.com) from R5

 

Link-
www.sharontools.com/online-lab

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