[j-nsp] EX3200 Interface Strangeness
Harry Reynolds
harry at juniper.net
Mon Aug 17 12:44:52 EDT 2009
The 10ge uplink does not consume any front panel 1xge, and the 4200 does not share this limitation.
Regards
-----Original Message-----
From: juniper-nsp-bounces at puck.nether.net [mailto:juniper-nsp-bounces at puck.nether.net] On Behalf Of Brendan Mannella
Sent: Monday, August 17, 2009 7:52 AM
To: Bill Blackford; mmainer at tekinside.com
Cc: juniper-nsp at puck.nether.net
Subject: Re: [j-nsp] EX3200 Interface Strangeness
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
>>
> _______________________________________________
> juniper-nsp mailing list juniper-nsp at puck.nether.net
> https://puck.nether.net/mailman/listinfo/juniper-nsp
_______________________________________________
juniper-nsp mailing list juniper-nsp at puck.nether.net https://puck.nether.net/mailman/listinfo/juniper-nsp
More information about the juniper-nsp
mailing list