Hi Samit
Still sounds like a Layer 2 protocol thing, generally CDP or Spanning
Tree BPDU's .. probably nothing to worry about, if you can get a sniffer
on the cisco port it could tell you what it's sending out.
Not sure a "monitor traffic interface ge-x/y/z" will help as the Juniper
probably discards it before it hits the RE (if it's supposed to)
There are ways to possibly see it on the Juniper but it takes a bit of
work, as you need to reset the interface into ccc or something similar
and use tap interfaces.
Not good on a production and disruptive to the customer, so maybe you
don't want to go down that path
cheers
Sean
On 2/10/09 7:05 AM, Samit wrote:
Hi Nilesh/Jeff
My Cisco config
spanning-tree portfast bpdufilter default
interface GigabitEthernet0/1
description To Juniper ge-0/0/0 PE-1GE-SX-B
port-type nni
switchport access vlan 2
no keepalive
media-type sfp
speed nonegotiate
no cdp enable
spanning-tree portfast
end
interface GigabitEthernet0/5
description To Juniper ge-1/3/0 inbuilt
port-type nni
switchport access vlan 3
media-type sfp
speed nonegotiate
no cdp enable
no keepalive
spanning-tree portfast
end
The Police discards counter now increases by 1 in every 30-40secs
interval in ge-0/0/0 but I still see it. But I don't think i really need
to worry much, do I? because I don't see any packet loss.
Regards,
Samit
Nilesh Khambal wrote:
Please disable cdp and keepalives on Cisco port connected to this M7i.
Also, disable spanning tree on this port by configuring it as an access
port.
Thanks,
Nilesh.
Samit wrote:
Hi, I just installed my first juniper M7i in the production couple of
hour back and after resolving few routing issue so far it is running
smoothly. I noticed that my PE-1GE-SX-B interface is showing only
"Policed discards", the counter which increases by 1 in every 1-2 secs
but the inbuilt GE is showing no errors. As I am not running any
qos/policing in the interface I was wondering what does it means..and
how to fix this error? the router's both interface is connected with a
Cisco 3400ME in different Vlan.
interfaces {
ge-0/0/0 {
description " Cisco3400-ME Gi0/1 Vlan2";
unit 0 {
family inet {
address 192.168.0.1/28;
}
}
}
Delay: 1/0/1
Interface: ge-0/0/0, Enabled, Link is Up
Encapsulation: Ethernet, Speed: 1000mbps
Traffic statistics: Current
delta
Input bytes: 3589144576 (34951312 bps)
[26149611]
Output bytes: 4117970233 (36219936 bps)
[27659648]
Input packets: 12654493 (15073 pps)
[90668]
Output packets: 13058310 (15834 pps)
[94510]
Error statistics:
Input errors:
0 [0]
Input drops:
0 [0]
Input framing errors:
0 [0]
Policed discards:
558 [4]
L3 incompletes:
0 [0]
L2 channel errors:
0 [0]
L2 mismatch timeouts:
0 [0]
Carrier transitions: 0 Output
errors: [0]
Regards,
Samit
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