[j-nsp] Correct config for SRX port channel -> Cisco

Phil Mayers p.mayers at imperial.ac.uk
Wed Jul 24 11:39:14 EDT 2013


On 24/07/13 16:07, Phil Mayers wrote:
> On 24/07/13 15:48, Stacy W. Smith wrote:
>> In general, I see no problems with your AE configuration.
>>
>> Could you define "never comes up"? Is it the ae0 interface, or the
>> ae0.999 unit that is in a down state?
>
>
> Both (see below)

Interestingly, this comes up if you use "sub-ints" on the Cisco side:

interface port-channel20

interface port-channel20.999
   encapsulation dot1q 999
   ip address 192.168.1.1/31
   no shutdown

...as opposed to

interface port-channel20
   switchport
   switchport mode trunk
   switchport trunk allowed vlan 999

int Vlan999
   ip address 192.168.1.1/31
   no shutdown

Clearly there's some sort of LACP-layer parameter that corresponds to 
"trunk" versus "not" - can this be influenced by the specific "style" of 
ae0 config on the SRX side?


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