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  • 1.  Creating LACP trunk between a Cisco 6509 and 3com 4800g

    Posted Sep 13, 2011 09:25 AM

    We have created an etherchannel on the Cisco side and named it the same as the bridge aggrigation group on the otherside and they are both trunked.  The switches both pinged yesterday, but now one of the 3com switches wont ping.  Does the port-channel on the 3com need to be set to dynamic or static and what does this effect on the 3com.



  • 2.  RE: Creating LACP trunk between a Cisco 6509 and 3com 4800g

    Posted Sep 13, 2011 04:20 PM

    We actually got it pinging with our cisco switch, but now it is having problems passing vlans acrossed it.  We created a virtual machine on the blades that are connected to the 3com 4800g through a 10gb link.  The virtual machine cannot ping the our cisco or the 4800g.  I believe it is stopping at the switch.  We setup the vlan 19 interface and gave it an ip address on the 4800g but it doesn't seem to know what to do with it.  We have vlan permit all on the trunks.  We even plugged a laptop into a port and assigned it to vlan 19 and it still couldn't ping the vlan 19 ip on the switch.



  • 3.  RE: Creating LACP trunk between a Cisco 6509 and 3com 4800g

    Posted Sep 19, 2011 04:56 PM

    please check your config with my example config

     

    Hp A series

    Interface Bridge-aggregation 1

    Interface gigabitethernet 1/0/1

    Port link-aggregation group 1

    Interface gigabitethernet 1/0/2

    Port link-aggregation group 1

     

    Cisco

    interface Port-channel 1

    interface GigabitEthernet 1/20

    channel-group 1 mode on

    interface GigabitEthernet 1/21

    channel-group 1 mode on

     

     

    and test

    Cisco# show interface port-channel 1 etherchannel

     

    <HP-A> display link-aggregation verbose