Default Layer 2 Lan Interface Configuration; Layer 2 Lan Interface Configuration Guidelines And Restrictions - Cisco 7604 Configuration Manual
Ios software configuration guide
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Chapter 10
Configuring LAN Ports for Layer 2 Switching
Default Layer 2 LAN Interface Configuration
Table 10-3
Table 10-3 Layer 2 LAN Interface Default Configuration
Feature
Interface mode:
•
•
Trunk encapsulation
Allowed VLAN range
VLAN range eligible for pruning
Default access VLAN
Native VLAN (for 802.1Q trunks)
Spanning Tree Protocol (STP)
STP port priority
STP port cost
Layer 2 LAN Interface Configuration Guidelines and Restrictions
When configuring Layer 2 LAN ports, follow these guidelines and restrictions:
•
OL-4266-08
shows the Layer 2 LAN port default configuration.
Before entering the switchport command Layer 3 (unconfigured)
After entering the switchport command
The following switching modules do not support ISL encapsulation:
–
WS-X6502-10GE
–
WS-X6548-GE-TX, WS-X6548V-GE-TX, WS-X6548-GE-45AF
–
WS-X6148-GE-TX, WS-X6148V-GE-TX, WS-X6148-GE-45AF
Cisco 7600 Series Router Cisco IOS Software Configuration Guide, Release 12.2SX
Default Layer 2 LAN Interface Configuration
Default
switchport mode dynamic desirable
switchport trunk encapsulation negotiate
VLANs 1 to 4094, except reserved VLANs (see
Table 14-1 on page
14-2)
VLANs 2 to 1001
VLAN 1
VLAN 1
Enabled for all VLANs
128
100 for 10-Mbps Ethernet LAN ports
•
19 for 10/100-Mbps Fast Ethernet LAN ports
•
19 for 100-Mbps Fast Ethernet LAN ports
•
4 for 1,000-Mbps Gigabit Ethernet LAN ports
•
2 for 10,000-Mbps 10-Gigabit Ethernet LAN
•
ports
10-5
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