[j-nsp] EX3200 Interface Strangeness

[Mike Mainer]

2x10GigE will function correctly with all 24 or 48 10/100/1000 ports.

-Mike Mainer



Brendan Mannella wrote:
> What happens if a 10g card is installed? Do you lose the last two ports?
>
> And is this behavior the same on the 4200?
>
>
> On 8/17/09 10:41 AM, "Bill Blackford" <BBlackford at nwresd.k12.or.us> wrote:
>
>   
>> That makes sense. I'm not at all happy with it, but it makes sense. I'm am
>> using ge-0/1/0 which must correspond to ge-0/0/20.
>>
>> Thanks.
>>
>> -b
>>
>> -----Original Message-----
>> From: Mike Mainer [mailto:mmainer at tekinside.com]
>> Sent: Monday, August 17, 2009 7:39 AM
>> To: Bill Blackford
>> Subject: Re: [j-nsp] EX3200 Interface Strangeness
>>
>> The 3200 is setup so that if an uplink Mod is installed you loose the
>> last X ports.  Example:   you have a 24x10/100/1000 with 4x1GigE card.
>> If/when ports are active on this 4x1GigE card ports 20-23 become
>> INACTIVE.  They are mutely exclusive.
>>
>> -Mike Mainer
>>
>>
>>
>> Bill Blackford wrote:
>>     
>>> I'm experiencing a weird issue with an interface that seems to have vanished.
>>> (see below 1.)
>>> I also have a general question on how the EX platform indexes interfaces.
>>> (see below 2.)
>>>
>>> =================================================
>>> 1. Vanishing Interface
>>>
>>> I have several ex3200's in production and noticed that ge-0/0/20 shows up in
>>> the config, but doesn't appear to exist.
>>>
>>> bblackford at wsc-sw-ex3200-1> show chassis hardware
>>> Hardware inventory:
>>> Item             Version  Part number  Serial number     Description
>>> Chassis                                BH0208188142      EX3200-24T
>>> FPC 0            REV 07   750-021261   BH0208188142      EX3200-24T, 8 POE
>>>   CPU                     BUILTIN      BUILTIN           FPC CPU
>>>   PIC 0                   BUILTIN      BUILTIN           24x 10/100/1000
>>> Base-T
>>>   PIC 1          REV 04   711-021270   AR0209216364      4x GE SFP
>>>     Xcvr 0                NON-JNPR     FFX20H700284      SFP-SX
>>> Power Supply 0   REV 02   740-020957   AT0508119769      PS 320W AC
>>> Fan Tray                                                 Fan Tray
>>>
>>> bblackford at wsc-sw-ex3200-1> show version
>>> Hostname: wsc-sw-ex3200-1
>>> Model: ex3200-24t
>>> JUNOS Base OS boot [9.5R2.7]
>>>
>>> bblackford at wsc-sw-ex3200-1> show chassis fpc pic-status
>>> Slot 0   Online       EX3200-24T, 8 POE
>>>   PIC 0  Online       24x 10/100/1000 Base-T
>>>   PIC 1  Online       4x GE SFP
>>>
>>>
>>> Now,
>>>
>>> bblackford at wsc-sw-ex3200-1> show configuration interfaces ge-0/0/20
>>> unit 0 {
>>>     family ethernet-switching {
>>>         vlan {
>>>             members VOIP;
>>>         }
>>>     }
>>> }
>>>
>>> bblackford at wsc-sw-ex3200-1> show interfaces ge-0/0/20
>>> error: device ge-0/0/20 not found
>>>
>>>
>>> snmpwalk from a host:
>>> ifDescr.148 = STRING: ge-0/0/18
>>> ifDescr.149 = STRING: ge-0/0/18.0
>>> ifDescr.150 = STRING: ge-0/0/19
>>> ifDescr.151 = STRING: ge-0/0/19.0
>>>                                    <<====== 152 and 153 are missing
>>> ifDescr.154 = STRING: ge-0/0/21
>>> ifDescr.155 = STRING: ge-0/0/21.0
>>> ifDescr.156 = STRING: ge-0/0/22
>>> ifDescr.157 = STRING: ge-0/0/22.0
>>> ifDescr.158 = STRING: ge-0/0/1.0
>>> ifDescr.159 = STRING: ge-0/0/23
>>> ifDescr.160 = STRING: ge-0/0/0
>>> ifDescr.161 = STRING: ge-0/0/0.0
>>> ifDescr.162 = STRING: ge-0/0/1
>>> ifDescr.163 = STRING: vlan
>>> ifDescr.164 = STRING: vlan.0
>>> ifDescr.165 = STRING: vlan.1
>>> ifDescr.166 = STRING: ge-0/1/0
>>> ifDescr.167 = STRING: ge-0/1/0.0
>>> ifDescr.170 = STRING: ge-0/0/23.0
>>>
>>>
>>> ======================================================
>>> 2. Indexing question
>>> During the gathering of data for issue 1 above, I ran some walks against
>>> other ex3200's I have and noticed that the indexing is not consistent.
>>> Here's another ex3200 running the same code rev as above:
>>> ifDescr.148 = STRING: ge-0/0/18
>>> ifDescr.149 = STRING: ge-0/0/18.0
>>> ifDescr.150 = STRING: ge-0/0/19
>>> ifDescr.151 = STRING: ge-0/0/19.0
>>> ifDescr.152 = STRING: ge-0/0/20
>>> ifDescr.153 = STRING: ge-0/0/20.0
>>> ifDescr.154 = STRING: ge-0/0/21
>>> ifDescr.155 = STRING: ge-0/0/21.0
>>> ifDescr.156 = STRING: ge-0/0/22
>>> ifDescr.157 = STRING: ge-0/0/22.0
>>> ifDescr.158 = STRING: ge-0/0/23
>>> ifDescr.159 = STRING: ge-0/0/23.0
>>> ifDescr.160 = STRING: vlan
>>> ifDescr.163 = STRING: ge-0/0/0
>>> ifDescr.164 = STRING: ge-0/0/0.0
>>> ifDescr.165 = STRING: ge-0/0/1
>>> ifDescr.166 = STRING: ge-0/0/11.69
>>> ifDescr.167 = STRING: ge-0/0/11.70
>>> ifDescr.168 = STRING: ge-0/0/1.0
>>>
>>> There seems to be no correlation between the ifDescr seq numbers and the
>>> interface names. Now, the switch above has a 4x GE SFP PIC and the one below
>>> does not, but I find it strange that interfaces show up all over the place as
>>> if they were dynamically populated into a table.
>>> ==============================================
>>>
>>> Sorry for the length of this post.
>>> Thank you for any input.
>>>
>>> -b
>>>
>>>
>>> --
>>> Bill Blackford  
>>> Senior Network Engineer
>>> Technology Systems Group
>>> Northwest Regional ESD
>>>
>>> my /home away from home
>>>
>>> _______________________________________________
>>> juniper-nsp mailing list juniper-nsp at puck.nether.net
>>> https://puck.nether.net/mailman/listinfo/juniper-nsp
>>>   
>>>       
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