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07-27-2016 08:30 AM
07-27-2016 08:30 AM
Adding new VLAN to LACP link between HP A5800-48G and Cisco 3750 stack
Hello all,
My name is Luke. I'm new to HP networking field, but have experience working with Cisco and Juniper gear.
I was wondering if you could help me to establish proper way of allowing new VLAN over LACP link between HP and Cisco stack. Please see below for details:
1. on HP end, I got the following production config:
interface Bridge-Aggregation3
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 30 to 31 60 70 80 900
link-aggregation mode dynamic
interface Ten-GigabitEthernet1/0/51
port link-mode bridge
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 30 to 31 60 70 80 900
port link-aggregation group 3
interface Ten-GigabitEthernet2/0/51
port link-mode bridge
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 30 to 31 60 70 80 900
port link-aggregation group 3
2. On Cisco end, I have the following:
interface TenGigabitEthernet1/1/1
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 30 to 31 60 70 80 900
switchport mode trunk
switchport nonegotiate
channel-protocol lacp
channel-group 2 mode active
interface TenGigabitEthernet2/1/1
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 30 to 31 60 70 80 900
switchport mode trunk
switchport nonegotiate
channel-protocol lacp
channel-group 2 mode active
interface Port-channel2
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 30 to 31 60 70 80 900
switchport mode trunk
switchport nonegotiate
This is production envirement. Now, i need to create a new VLAN and add allow it over the LACP link.
Could you please advice how this should be handled on HP switch?
My steps are as follows:
1. HP end - create new VLAN and SVI
system-view
vlan 700
interface Vlan-interface 700
ip address 10.25.25.1 255.255.255.0
Not sure how to add that VLAN to bridge aggregation? Is there a similar command to Cisco IOS:
SWITCHPORT TRUNK ALLOWED VLAN ADD
Also, does such change have impact on the bridge group itself?
2. Cisco end is rather easy for me:
(create new VLAN and add it to the port channel)
config t
vlan 700
INTERFACE Port-channel2
SWITCHPORT TRUNK ALLOWED VLAN ADD 700
Any help is appreciated.
Regards,
luke
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07-27-2016 05:06 PM
07-27-2016 05:06 PM
Re: Adding new VLAN to LACP link between HP A5800-48G and Cisco 3750 stack
You seem to be on the right track.
Have you used this to refre to?
http://networktest.com/hpiop/hpiopcookbook.pdf
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07-28-2016 12:54 AM
07-28-2016 12:54 AM
Re: Adding new VLAN to LACP link between HP A5800-48G and Cisco 3750 stack
Hi
If you want to add a vlan to an interface you just have to add it like this:
port trunk permit vlan 700
It will not overwrite the other vlans, it will simply be added. I dont think this will interrupt the link.
When you are not sure, you can test it on a down link.
Kind regards
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07-28-2016 01:17 AM - edited 07-28-2016 10:04 AM
07-28-2016 01:17 AM - edited 07-28-2016 10:04 AM
Re: Adding new VLAN to LACP link between HP A5800-48G and Cisco 3750 stack
Since VLAN(s) and Bridge-Aggregation group have been yet defined, have you tried (port trunk permit vlan as per HP 5820X&5800 Switch Series Layer 2 - LAN Switching Command Reference R18xx manual) something like:
<hpswitch> system-view [hpswitch] interface bridge-aggregation 3 [hpswitch-Bridge-Aggregation3] port trunk permit vlan 30 31 60 70 80 700 900
or just:
<hpswitch> system-view [hpswitch] interface bridge-aggregation 3 [hpswitch-Bridge-Aggregation3] port trunk permit vlan 700
remembering that:
- If you use the port trunk permit vlan command multiple times, the trunk port carries the set of VLANs specified by vlan-list in each execution.
- The configuration made in Layer 2 aggregate interface view applies to the aggregate interface and its aggregation member ports (your Ten-GigabitEthernet1/0/51 and Ten-GigabitEthernet2/0/51).
I'm not an HPE Employee
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07-29-2016 02:47 AM
07-29-2016 02:47 AM
Re: Adding new VLAN to LACP link between HP A5800-48G and Cisco 3750 stack
Thank you all for the support. Adding new VLAN to the trunk/LACP agg is as simple as mentioned above:
port trunk permit vlan 700
Indeed, the vlan will be added to the existing trunk with no impact on it.
I can also confirm there's no impact on the bridge-agg/port channel. It remains stable...still I'd recommend making change within the maintenance window.
Thanks again.
luke
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07-24-2019 07:29 AM
07-24-2019 07:29 AM
Re: Adding new VLAN to LACP link between HP A5800-48G and Cisco 3750 stack
Hi,
How does this command know what trunk the VLAN should be added to?
If i have trk1 configured on the switch and want to add vlan 100 to that trunk what command could I use?
i.e
port trunk trk1 permitt vlan 100
Im also confused on how to do the reverse, so add a trunk to an existing VLAN - is that the same thing?
Thanks for your help,
Andy