Dell Z9100 EMC Networking with Isilon Front-End Deployment and Best Practices - Page 30

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Dell EMC Networking with Isilon Front-End Deployment and Best Practices Guide | version 1.0

S4048-ON Leaf 1

S4048-ON Leaf 2

uplink-state-group 1

enable

downstream port-channel1





upstream ethernet1/1/49


uplink-state-group 1

enable








Use these commands to configure eBGP.

First, enable eBGP with the

router bgp ASN

command. The ASN is from Figure 14.

The bgp

bestpath as-path multipath-relax

enables ECMP. The

maximum-paths ebgp 2

command specifies the maximum number of parallel paths to a destination to add to the routing table. In this

topology, there are two equal cost best paths from a spine to a host, one to each leaf that the host is

connected.

BGP neighbors are configured, and Neighbor fall-over is enabled. Graceful restart enables the data plane to

continue forwarding traffic for a time if the BGP process fails or quits.

BGP hello and hold down timers are set to three and nine seconds, respectively. Neighbor fall-over will trigger

route withdrawal when IP connectivity between BGP peers is lost. The more aggressive timers (default is 60

seconds hello and 180 seconds hold down) are for backup. The advertisement interval is set to one second.

This is to prevent BGP speakers from advertising updates immediately upon receipt. Instead, they will

advertise them in batched intervals of one second. This delay is to prevent overhead.

Finally, exit configuration mode and save the configuration.

Section	Page
1 Introduction	5
1.1 Typographical conventions	7
1.2 Attachments	7
2 Hardware overview	8
2.1 Dell EMC Networking S3048-ON	8
2.2 Dell EMC Networking S4048-ON	8
2.3 Dell EMC Networking Z9100-ON	8
2.4 Dell EMC PowerEdge R730xd	8
2.5 Dell EMC PowerEdge R640	9
2.6 Isilon X210	9
3 Management	10
4 Leaf-spine overview	11
4.1 Design considerations	11
4.2 Oversubscription	12
4.3 Scaling	13
4.4 Layer 3 leaf-spine topology	14
4.5 Layer 2 leaf-spine topology	15
5 Layer 3 Topology preparation	16
5.1 BGP ASN configuration	16
5.2 Loopback addresses	16
5.3 Point-to-point interfaces	17
6 Configuration of Layer 3 Topology	19
6.1 Configuration of Z9100-ON OS10EE Spine Switches	19
6.2 Configuration of S4048-ON OS10EE Leaf Switches	23
6.3 Configuration of S4048-ON OS9 Leaf Switches	32
7 Configuration of Layer 2 Topology	41
7.1 Configuration of Z9100-ON OS10EE Spine Switches	41
7.2 Configuration of S4048-ON OS10EE Leaf Switches	45
7.3 Configuration of S4048-ON OS9 Leaf Switches	50
8 Validation	58
8.1 OS10EE Validation commands	58
8.1.1 show ip bgp summary	58
8.1.2 show ip route bgp	58
8.1.3 Show VLT	60
8.1.4 Show VLT backup-link	60
8.1.5 Show vlt-port-detail	60
8.1.6 Show VLT mismatch	61
8.1.7 Show uplink-state-group	61
8.1.8 Show spanning-tree brief	62
8.1.9 Show vrrp brief	63
8.2 OS9 Validation commands	63
8.2.1 show ip bgp summary	63
8.2.2 show ip route bgp	63
8.2.3 Show VLT brief	64
8.2.4 Show VLT detail	65
8.2.5 Show VLT mismatch	65
8.2.6 Show uplink-state-group	65
8.2.7 Show spanning-tree rstp brief	65
8.2.8 Show vrrp brief	66
9 Isilon configuration	67
9.1 Building the cluster	67
9.2 Configuring LACP to each node	69
9.3 Configuring SMB share	72
9.4 Setting up DNS for SmartConnect	73
9.5 Validation	74
A Validated hardware and components	76
A.1 Dell EMC Networking Switches	76
A.2 Dell EMC Isilon Array	76
A.3 Dell EMC PowerEdge Servers	76
B Product Manuals and technical guides	77

Dell Z9100 EMC Networking with Isilon Front-End Deployment and Best Practices - Page 30

enables ECMP.

Page 30 highlights