8 routed down Administratively down auto(D) -- Eth3/29 routed down Administratively down auto(D) -- Eth3/30 access up 1000(D) 10 Eth3/31 routed down Administratively down auto(D) -- Eth3/32 routed down Administratively down auto(D) -- Eth3/33 routed down Administratively down auto(D) -- Eth3/34 eth routed down Administratively down auto(D) -- Eth3/35 eth routed down Administratively down auto(D) -- Eth3/36 eth routed down Administratively down auto(D) - This command is pretty slick. It doesn't show the description, but it shows the VLAN used, the up/down status, the speed, and the port channel number for which the in- terface is a member. In the preceding example, you can see that interface e3/30 is a member of port channel 10. Chapter 18: Cisco Nexus No more write memory Cisco has been threatening for years to no longer support the write memory command, but for those of us who have been around for too many years, we're used to it. Sadly, the Nexus no longer supports this command: NX-5K-1# write ? erase Destroys the configuration on persistent media You must now run the copy running startup command to save your configuration. You get a cool little progress meter that moves as the config is saved, SO you've got that going for you, which is nice: NX-5K-1# copy running-config startup-config No more do command The do command is no longer required. NX-OS allows any nonconfig command to be executed while in config mode: IX-5K-2(config-if)# sho int po 100 switchport Name: port-channel100 Switchport: Enabled Switchport Monitor: Not enabled Operational Mode: access Access Mode VLAN: 1 (default) [--output truncated-- ] No more show arp The show arp command has been replaced with show ip arp. Makes sense, considering that ARP is an IP-related protocol. Some switches support both show arp and show ip arp, but the Nexus does not. Additionally, you may need to specify a VRF (see "Virtual Routing and Forwarding" on page 281 for more information): NX-7K-1-Daisy# sho ip arp vrf Earth IP ARP Table for context Earth Total number of