EX4200-24T X2 (VC) Layer3
10.1R1.8
EX3200-48T (switch1 and switch2) Layer2 rack switches.
10.0S1.1
I don't have enough empirical data to offer but I figured I'd ask the group in
case any of this behavior has been seen.
Problem 1. Inter-vlan routing.
I'm seeing issues with simple routing from vlanA on switch1 to vlanB on
switch2. Both switch1 and switch2 connect via L2 ae trunks to the EX4200 VC.
All Vlans are consistent throughout all switches. RVI's on the Layer3 VC are
correct. I am also seeing a traceroute from hostA on switch1 to hostB on
switch2 to return only the dest host, not the gateway (VC) followed by the dest
host as would be expected (IOW, a single hop). The EX4200 just replaced a C3750
VC, the rack switches mentioned did not change.
Problem 2. (separate issue) Multicast on same switch/same vlan.
I have two hosts that can normally communicate via mcast that now that
they're on a Juniper EX cannot. I haven't changed the default of "igmp-snooping
vlan all". I move these hosts back to the "C" switch and mcast functions again.
Thank you in advance for any shred thoughts.
-b
--
Bill Blackford
Senior Network Engineer
Technology Systems Group
Northwest Regional ESD
Logged into reality and abusing my sudo priviledges
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