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03-18-2015 09:42 AM
03-18-2015 09:42 AM
Get set of 5700 switches to talk to 5500 switches
I have two stacks of switches. One stack is a group of three 5500 switches in an IRF network. The other stack is a group of two 5700 switches in an IRF network. I need to get the two sets of switches talking to each other.
Ideally if they can belong to the same IRF network as a single statck that would be great, but i'm not sure if that is possible. I tried it but the links between the 5700s and the 5500s just showed as silent, so I don't think that works.
If not, i'm fine leaving them as two seperate IRF stacks. I just need to figure out the best way to get them to talk to each other.
Any help will be appreciated. I tried reading through the dozens of configuration guides, but keep coming up a tad short. etc.
Thanks for the help, this project just sort of feel into my lap and I don't have a ton of expertise with the comware systems.
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03-18-2015 05:05 PM
03-18-2015 05:05 PM
Re: Get set of 5700 switches to talk to 5500 switches
Givi-IT,
Thanks for your question. Today we cannot stack different model families within the same IRF stack. Connecting IRF stacks (domains) together is easy at layer 2 or layer 3. I assume L2 is sufficient. On each IRF stack you just need to create a link aggregation group (LAG) and connect the ports together. The commands to do this are below. The number of physical ports in a LAG are hardware dependent so please consult the datasheets.
System-view
interface Bridge-Aggregation 1
description LAG to 5500-IRF-stack
link-aggregation mode dynamic
quit
interface FortyGigE 1/1/0/3
port link-aggregation group 1
interface FortyGigE 1/1/0/4
port link-aggregation group 1
interface Bridge-Aggregation 1
port link-type trunk
port trunk permit vlan all
the output from a switch looks like this
<7900>system-view
[7900]interface Bridge-Aggregation 1
[7900-Bridge-Aggregation1]description LAG to 5500-IRF-stack
[7900-Bridge-Aggregation1]link-aggregation mode dynamic
[7900-Bridge-Aggregation1]quit
[7900]interface FortyGigE 1/1/0/3
[7900-FortyGigE1/1/0/3]port link-aggregation group 1
[7900-FortyGigE1/1/0/3]quit
[7900] interface FortyGigE 1/1/0/4
[7900-FortyGigE1/1/0/4]port link-aggregation group 1
[7900-FortyGigE1/1/0/4]quit
[7900]interface Bridge-Aggregation 1
[7900-Bridge-Aggregation1]port link-type trunk
Configuring FortyGigE1/1/0/3 done.
Configuring FortyGigE1/1/0/3 done.
[7900-Bridge-Aggregation1]port trunk permit vlan all
Configuring FortyGigE1/1/0/3 done.
Configuring FortyGigE1/1/0/3 done.
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03-24-2015 12:21 PM
03-24-2015 12:21 PM
Re: Get set of 5700 switches to talk to 5500 switches
I did the above, and the two seem to be semi talking cause when i have the cable connected, I get that there is a duplicate address 172.18.100.1 which is my vlan 100 gateway. When I unhook the cable it stops fussing. So i'm part way there.
I still can't ping across the switches though, when connected. Is it some issue with loopback or something else?
So i get this,
%Jan 12 18:21:14:051 2011 5700A LLDP/6/LLDP_CREATE_NEIGHBOR: Nearest bridge agent new neighbor created on Port Ten-GigabitEthernet5/0/1 (IfIndex 261), Chassis ID is bcea-fa17-b1b2, Port ID is GigabitEthernet4/0/1.
Then Bridge-Aggregation1 deteced a topolog change.
Then the duplicate address
%Jan 12 18:22:20:600 2011 5700A ARP/6/DUPIFIP:
Duplicate address 172.18.100.1 on interface Vlan-interface100, sourced from bcea-fa17-b1c8
Thoughts on where to go from here?
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03-25-2015 02:30 PM
03-25-2015 02:30 PM
Re: Get set of 5700 switches to talk to 5500 switches
You are correct, you cannot IRF 5700 switches to 5500 switches.
You don't say whether you are routing between these switches are using vlans. do you have more information on how they are cabled together, maybe a drawing?
Are you wanting them to be directly connected to each other, as in bridge aggregation? Or just on the same network, communicating over the LAN connection?
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03-26-2015 11:11 AM
03-26-2015 11:11 AM
Re: Get set of 5700 switches to talk to 5500 switches
So basically i just need the access devices on the 5700 switches to be able to talk with access devices on the 5500. In a nute shell.
How that can happen or does happen i'm not locked into a certain method. With that said the 5500's are my main network switch stack so all traffic and layer 3 goes through that stack.
I don't care about having to manage seperately as long as the devices on each switch can see each other.
The 5500 is a gigabyte switch while the 5700 is a tenGiga.
hope that helps.