IS-IS on FRR - Is Anyone Running It?
Dale Shaw
dale.shaw+nanog at gmail.com
Mon Apr 6 10:57:31 UTC 2020
Hi Mark,
On Mon, 6 Apr 2020 at 18:51, Mark Tinka <mark.tinka at seacom.mu> wrote:
>
> However, VMware ESXi does not
> support anything larger than 9,000 bytes, and that is where we run our
RR's.
Since vsphere67u3 (ESXi 6.7 U3), you can set an MTU of up to 9,190 bytes:
[root at esxi01o:~] esxcli network vswitch standard list
vSwitch2
Name: vSwitch2
Class: cswitch
Num Ports: 3456
Used Ports: 1
Configured Ports: 128
MTU: 9000
CDP Status: listen
Beacon Enabled: false
Beacon Interval: 1
Beacon Threshold: 3
Beacon Required By:
Uplinks:
Portgroups: pg-vlan204-LAB-STORAGE, pg-trunk, pg-vlan201-LAB-VMGMT
[root at esxi01o:~] esxcli network vswitch standard set -m=9190 -v vSwitch2
[root at esxi01o:~] esxcli network vswitch standard list
vSwitch2
Name: vSwitch2
Class: cswitch
Num Ports: 3456
Used Ports: 1
Configured Ports: 128
MTU: 9190
CDP Status: listen
Beacon Enabled: false
Beacon Interval: 1
Beacon Threshold: 3
Beacon Required By:
Uplinks:
Portgroups: pg-vlan204-LAB-STORAGE, pg-trunk, pg-vlan201-LAB-VMGMT
The host UI doesn't let you go >9000 bytes so (for now) you need to use the
CLI.
Are your FRR VM vNICs attached to standard or distributed vswitch port
groups?
You'll also need >9,000 byte MTU support in the vNIC driver, obviously.
Cheers,
Dale
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