Description

{EX devices }  VME will not work as expected in VC stack if em0 or em1 are configured

Symptoms

VME will no work with VRF, if em0 or em1 are configured.

Configuration:

 vme {
        unit 0 {
            family inet {
                filter {
                    input Access_List_23;
                }
                address x.x.x.x/xx;
            }
        }
routing-instances {
    mgmt_junos {
        routing-options {
            static {
                route 0.0.0.0/0 next-hop x.x.x.x;
            }
        }
        description "OOB Mgmt Instance";
    }
}

Interfaces configured making conflicts:

 em0 {
        unit 0 {
            family inet;
        }
    }
    em1 {
        unit 0 {
            family inet {
                dhcp {
                    vendor-id Juniper-ex4650-48y-8c-XHHHHHHHHHHH;
                }
            }
            family inet6 {
                dhcpv6-client {
                    client-type stateful;
                    client-ia-type ia-na;
                    client-identifier duid-type duid-ll;
                    vendor-id Juniper:ex4650-48y-8c:XHHHHHHHHHHH;
                }
            }

 

Solution

Delete all the "em" interfaces on the VC stack

 

root@switch# delete interfaces em0

root@switch# delete interfaces em1

Modification History

01/18/24-Article Created

Related Information

Related Documentation:
https://www.juniper.net/documentation/us/en/software/junos/junos-getting-started/topics/topic-map/management-interface-in-non-default-instance.html

https://www.juniper.net/documentation/us/en/software/junos/junos-getting-started/topics/concept/interfaces-understanding-management-ethernet-interfaces.html