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Dell S3048-ON User Manual

Dell S3048-ON
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neighbor 100.100.100.100 no shutdown
Dell#
Conguring Passive Peering
When you enable a peer-group, the software sends an OPEN message to initiate a TCP connection.
If you enable passive peering for the peer group, the software does not send an OPEN message, but it responds to an OPEN message.
When a BGP neighbor connection with authentication congured is rejected by a passive peer-group, Dell Networking OS does not allow
another passive peer-group on the same subnet to connect with the BGP neighbor. To work around this, change the BGP conguration or
change the order of the peer group conguration.
You can constrain the number of passive sessions accepted by the neighbor. The limit keyword allows you to set the total number of
sessions the neighbor will accept, between 2 and 265. The default is 256 sessions.
1 Congure a peer group that does not initiate TCP connections with other peers.
CONFIG-ROUTER-BGP mode
neighbor peer-group-name peer-group passive limit
Enter the limit keyword to restrict the number of sessions accepted.
2 Assign a subnet to the peer group.
CONFIG-ROUTER-BGP mode
neighbor peer-group-name subnet subnet-number mask
The peer group responds to OPEN messages sent on this subnet.
3 Enable the peer group.
CONFIG-ROUTER-BGP mode
neighbor peer-group-name no shutdown
4 Create and specify a remote peer for BGP neighbor.
CONFIG-ROUTER-BGP mode
neighbor peer-group-name remote-as as-number
Only after the peer group responds to an OPEN message sent on the subnet does its BGP state change to ESTABLISHED. After the peer
group is ESTABLISHED, the peer group is the same as any other peer group.
For more information about peer groups, refer to Congure Peer Groups.
Maintaining Existing AS Numbers During an AS Migration
The local-as feature smooths out the BGP network migration operation and allows you to maintain existing ASNs during a BGP network
migration.
When you complete your migration, be sure to recongure your routers with the new information and disable this feature.
• Allow external routes from this neighbor.
CONFIG-ROUTERBGP mode
neighbor {IP address | peer-group-name local-as as number [no prepend]
• Peer Group Name: 16 characters.
• AS-number: 0 to 65535 (2-Byte) or 1 to 4294967295 (4-Byte) or 0.1 to 65535.65535 (Dotted format).
192
Border Gateway Protocol IPv4 (BGPv4)

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Dell S3048-ON Specifications

General IconGeneral
Rack Units1U
Form FactorRack-mountable
Input Voltage100-240V AC
Power Supply2 hot-swappable power supplies
ManagementCLI, Web, SNMP
Product TypeSwitch
MAC Address Table Size32K entries
Jumbo Frame SupportYes
Latency< 3 microseconds
Ports48 x 1GbE RJ45, 4 x 10GbE SFP+

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