Netgear GS716Tv2 switch and IPv6 management / 2014-03-01

2014-03-01 Netgear GS716Tv2 switch and IPv6 management 6 years ago
Sharing my earlier experiences with the hidden telnet interface on the Netgear GS716T switch was appreciated by someone else with a Netgear GS110p switch: "Hidden" CLI interface on Netgear GS110TP. So I guess this is a feature on multiple netgear switches.

And that article made me look at the firmware version, finding in the release notes for the newer version:
New Features:
* Add IPv6 management, IPv6 ACL, and IPv6 DiffServ support.
I like that feature a lot! And indeed, after upgrade and setting the IPv6 management address:
$ telnet .... 60000
Trying ..:1234...
Connected to ..:1234
Escape character is '^]'.

(Broadcom FASTPATH Switching) 
Applying Interface configuration, please wait ...admin
Password:********
(Broadcom FASTPATH Switching) >enable
Password:

(Broadcom FASTPATH Switching) #show ver

Switch: 1

System Description............................. GS716Tv2
Machine Type................................... GS716Tv2
Machine Model.................................. GS716T smartSwitch
Serial Number.................................. [..]
FRU Number..................................... 
Part Number.................................... BCM53313
Maintenance Level.............................. A
Manufacturer................................... 0xbc00
Burned In MAC Address.......................... [..]
Software Version............................... 5.4.2.10
Operating System............................... ecos-2.0
Network Processing Device...................... BCM53313_B0

--More-- or (q)uit


Additional Packages............................ FASTPATH QOS
                                                FASTPATH IPv6 Management
Kudos to netgear for making this switch IPv6 enabled!

Update 2014-03-02 And.. back to the previous firmware. Plugging in a cable on a port that was long idle wasn't detected at all. That's not what I have a switch for at home, it should detect it when I plug in a device at the living room table. Disabling the 'green' option (power-saving when idle) on the switch did not change this behaviour.

Now running:
Software Version............................... 5.0.3.5
Operating System............................... ecos-2.0

One upside: I can have two firmware versions in the switch and make one or the other active. So I switched back to the previous one easily: set the other as active and initiate a reset.

There are other 5.4 firmwares available from netgear but 5.4.2.10 is the first version with IPv6 management.

Update 2014-03-09 I opened a case with Netgear about this. Their suggestion was to do a factory reset.
Easier than it sounds, the house uplink and wireless depend on this switch being configured with the house vlans. It is possible to download the full configuration in text format and upload that again. So I did a whole planned change with minimal downtime:
  • Download configuration
  • Prepare cabled system with tftp server with the configuration available
  • Set new firmware active
  • Select factory reset
  • Upload saved configuration to the switch
  • Test new configuration
I noticed the short-cable settings weren't saved so I went all out with short-cable and green ethernet settings on all ports but the trunk. Let's see what happens.

Update 2014-03-10 And a day later the switch with the 5.4.2.10 firmware works fine, detecting link on all ports. And the "green" settings work:
(Broadcom FASTPATH Switching) #show green-mode 

Current Power Consumption (mW)................. 2974

Percentage Power Saving /Stack................. 20

Cumulative Energy Saving /Stack (W * H)........ 24

Unit  Green Ethernet FeaturesSupported
----  --------------------------------
1     Short-Reach Energy-Detect Pwr-Usg-Est 

Interface     Energy-Detect      Short-Reach-Config    Short-Reach    EEE
            Config       Opr     Auto        Forced       Opr        Config
---------  ---------  ---------  ---------  ---------  -----------   --------
0/1        Enabled    Active     Enabled    Disabled   Inactive                 
0/2        Enabled    Inactive   Enabled    Disabled   Inactive                 
0/3        Enabled    Inactive   Enabled    Disabled   Inactive                 
0/4        Enabled    Active     Enabled    Disabled   Inactive                 
0/5        Enabled    Active     Enabled    Disabled   Inactive                 
0/6        Enabled    Active     Enabled    Disabled   Inactive                 
0/7        Enabled    Active     Enabled    Disabled   Inactive                 
0/8        Enabled    Active     Enabled    Disabled   Inactive                 
0/9        Enabled    Active     Enabled    Disabled   Inactive                 
0/10       Enabled    Active     Enabled    Disabled   Inactive                 
0/11       Disabled   Inactive   Disabled   Disabled   Inactive                 
0/12       Enabled    Inactive   Enabled    Disabled   Inactive                 
0/13       Enabled    Inactive   Enabled    Disabled   Inactive                 
0/14       Enabled    Active     Enabled    Disabled   Inactive                 
0/15       Enabled    Active     Enabled    Disabled   Inactive                 
0/16       Enabled    Active     Enabled    Disabled   Inactive                 
I had to find out why "short cable" wasn't being activated, as some cables are short enough:
(Broadcom FASTPATH Switching) #show green-mode 0/13

Energy Detect Admin Mode....................... Enabled
    Operational Status......................... Inactive
    Reason..................................... Link Up

Auto Short Reach Admin Mode.................... Enabled
Force Short Reach Admin Mode................... Disabled
    Operational Status......................... Inactive
    Reason..................................... Not At GIG speed

EEE Feature.................................... Not Available


Cumulative Energy Saving (W * H)............... 0
Time Since Counters Last Cleared............... 1 day 2 hr 27 min 32 sec
So 'short cable' is only active at gigabit and there is no cable at gigabit and 'short'.

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