Nortel Networks 1000BASE-ZX, 1000BASE-SX, 1000ASE-XD Switch-to-switch trunk configuration example

Chapter 2 Network configuration 71

Figure 27 Switch-to-switch trunk configuration example

	BayStack
	420
	S1
	T1
	F
	BayStack 420
S2	T2
	BayStack
	420
	S3
	10009EA

You can configure each of the trunks shown in Figure 27 with up to four switch ports to provide up to 800 Mb/s aggregate bandwidth through each trunk, in full-duplex mode. As shown in this example, when traffic between switch-to-switch connections approaches single port bandwidth limitations, creating a MultiLink Trunk can supply the additional bandwidth required to improve the performance.

Figure 28 shows a typical switch-to-server trunk configuration. In this example, file server FS1 uses dual MAC addresses, using one MAC address for each network interface card (NIC). For this reason, FS1 does not require a trunk assignment. FS2 is a single MAC server (with a four-port NIC) and is set up as trunk configuration T1.

Using the BayStack 420 10/100/1000 Switch