[j-nsp] Interface without 'family ethernet-switching' possible on EX series?

Logan Rawlins logan.rawlins at highwinds.com
Fri Jun 27 17:10:48 EDT 2008


I've had an issue such as this between foundry and cisco hardware  
where link is up and it appears to negotiate but there is no  
connectivity.  Have you tried disabling negotiation on both sides ?  
set gigether-options no-auto-negotiation

On Jun 27, 2008, at 1:12 PM, James Jun wrote:

> Hey ras, thanks for your reply :)
>
> The show route commands look pretty normal to me (I've pasted output  
> below),
> the direct/local routes pertinent to the 10.10.255.192/30 subnet are  
> there.
> I was running JUNOS 9.0R2 earlier when I first posted this message,  
> but
> upgraded it just now to 9.1R1.8. Unfortunately the problem  
> persists :-(
>
> FWIW, on the Cisco side, I have it connected to a GLC-T SFP (for  
> copper
> gig-e).  Thinking that it may be a bad sfp or line card at Cisco  
> side, I
> configured a 2nd interface (ge-0/0/2.0 on the EX) headed out to a  
> different,
> second Cat6500 unit.  But it's exhibiting exact same problem on that  
> 2nd
> interface as well (routes installed, link is up/up, negotiated as  
> 1000BaseT
> but unable to ping across; getting sendto: Network is down message  
> at EX
> end).
>
> In the meantime, I'm going to go ahead and open a JTAC case and also  
> try
> setting it up as a layer-2 access port with an L3 vlan on top of it  
> to see
> if it does anything different..
>
>
> Thanks,
> james
>
> --- JUNOS 9.1R1.8 built 2008-04-25 07:40:32 UTC
> admin at ex3200> show route 10.10.255.193/32 extensive
>
> admin at ex3200> show route 10.10.255.192/30 extensive
>
> inet.0: 11 destinations, 11 routes (11 active, 0 holddown, 0 hidden)
> 10.10.255.192/30 (1 entry, 0 announced)
>        *Direct Preference: 0
>                Next hop type: Interface
>                Next-hop reference count: 1
>                Next hop: via ge-0/0/0.0, selected
>                State: <Active Int>
>                Local AS: 25623
>                Age: 12:07
>                Task: IF
>                AS path: I
>
> 10.10.255.194/32 (1 entry, 0 announced)
>        *Local  Preference: 0
>                Next hop type: Local
>                Next-hop reference count: 6
>                Interface: ge-0/0/0.0
>                State: <Active NoReadvrt Int>
>                Local AS: 25623
>                Age: 12:07
>                Task: IF
>                AS path: I
>
> admin at ex3200> show arp | match 10.10.255.193
> 00:15:c7:22:1b:80 10.10.255.193  10.10.255.193             
> ge-0/0/0.0   none
>
> admin at ex3200> ping 10.10.255.193
> PING 10.10.255.193 (10.10.255.193): 56 data bytes
> ping: sendto: Network is down
> ^C
> --- 10.10.255.193 ping statistics ---
> 1 packets transmitted, 0 packets received, 100% packet loss
>
> admin at ex3200> start shell
> % netstat -ran -f inet | grep 10.10.255.19
> 10.10.255.192/30  intf     0                   rslv   516     1  
> ge-0/0/0.0
> 10.10.255.192/32  dest     0 10.10.255.192    recv   514     1  
> ge-0/0/0.0
> 10.10.255.193/32  dest     0 0:15:c7:22:1b:80  ucst   550     1  
> ge-0/0/0.0
> 10.10.255.194/32  intf     0 10.10.255.194    locl   515     2
> 10.10.255.194/32  dest     0 10.10.255.194    locl   515     2
> 10.10.255.195/32  dest     0 10.10.255.195    bcst   513     1  
> ge-0/0/0.0
>
>
>
>> -----Original Message-----
>> From: Richard A Steenbergen [mailto:ras at e-gerbil.net]
>> Sent: Friday, June 27, 2008 4:37 PM
>> To: James Jun
>> Cc: juniper-nsp at puck.nether.net
>> Subject: Re: [j-nsp] Interface without 'family ethernet-switching'
>> possible on EX series?
>>
>> On Fri, Jun 27, 2008 at 01:26:04PM -0400, James Jun wrote:
>>> admin at ex3200> ping 10.10.255.193
>>> PING 10.10.255.193 (10.10.255.193): 56 data bytes
>>> ping: sendto: Network is down
>>> ping: sendto: Network is down
>>> ping: sendto: Network is down
>>> ping: sendto: Network is down
>>> ping: sendto: Network is down
>>> ^C
>>> --- 10.10.255.193 ping statistics ---
>>> 5 packets transmitted, 0 packets received, 100% packet loss
>>
>> show route 10.10.255.193 extensive and 192/30 extensive, make sure  
>> your
>> local and direct routes are getting installed properly. I've seen  
>> some
>> bugs related to this on EX. Also what code are you running? If  
>> 9.0R2, try
>> 9.1R1 instead.
>>
>> --
>> Richard A Steenbergen <ras at e-gerbil.net>       http://www.e-gerbil.net/ras
>> GPG Key ID: 0xF8B12CBC (7535 7F59 8204 ED1F CC1C 53AF 4C41 5ECA  
>> F8B1 2CBC)
>
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