Cisco Nexus

Jumbo Frames

Configuration, PRE NX-OS 4.1:

system jumbomtu 9216
policy-map JUMBO
 class class-default
  mtu 9216
system qos
 service-policy JUMBO

Configuration with POST NX-OS 4.1:

system jumbomtu 9216
policy-map type network-qos JUMBO
 class type network-qos class-default
  mtu 9216
system qos
 service-policy type network-qos JUMBO

OS Upgrade

SCP over management port.

switch# copy scp://<user ID>@<Server IP> bootflash:
Enter source filename: n5000-uk9-kickstart.5.0.2.N2.1.bin
Enter vrf (If no input, current vrf 'default' is considered): management
<user ID>@<Server IP>'s password: 
n5000-uk9-kickstart.5.0.2.N2.1.bin            100%   24MB   3.4MB/s   00:07

switch# dir bootflash:
      16384     Nov 13 12:39:40 2010  lost+found/
        810     Jan 27 02:33:36 2011  mts.log
   21680640     Nov 13 12:44:25 2010  n5000-uk9-kickstart.4.1.3.N2.1.bin
   25164288     Jan 31 18:46:07 2011  n5000-uk9-kickstart.5.0.2.N2.1.bin
  136255825     Nov 13 12:44:59 2010  n5000-uk9.4.1.3.N2.1.bin
  156932426     Jan 31 18:47:26 2011  n5000-uk9.5.0.2.N2.1.bin
       4096     Jan 01 00:02:29 2005  vdc_2/
       4096     Jan 01 00:02:29 2005  vdc_3/
       4096     Jan 01 00:02:29 2005  vdc_4/

Usage for bootflash://sup-local
  402108416 bytes used
  481243136 bytes free
  883351552 bytes total
switch# 
switch# 
switch# 
switch# install all kickstart bootflash:///n5000-uk9-kickstart.5.0.2.N2.1.bin system bootflash:///n5000-uk9.5.0.2.N2.1.bin


Switch will be reloaded for disruptive upgrade.
Do you want to continue with the installation (y/n)?  [n] y


switch login: