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I have numerous of 2GB and 4GB DDR3 or DDR3L SDRAM for MacBook Pro/Air/iMac/Mac Mini/laptop for sale.2GB modules - R30-00 each or R50-00 for a matching set of 2.4GB modules - R200-00 each or R350-00 for a matching set of 2.I can upgrade the SDRAMin your MacBook Pro/Air/iMac/Mac Mini/laptop while you wait (will be 5 - 10 minutes).E-mail me or SMS/WhatsApp/Telegram/contact 0837024484. To check my other advertisements on gumtree for more information click on "VIEW SELLER PROFILE".
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Product Description
Planet WGSD-10020 Features Physical Port8-Port 10/100/1000BASE-T Gigabit Ethernet RJ452 100/1000BASE-X mini-GBIC/SFP slots, SFP type auto detectionRS-232 DB9 console interface for basic management and setup Layer 2 FeaturesPrevents packet loss with back pressure (half-duplex) and IEEE 802.3x pause frame flow control (full-duplex)High
performance of Store-and-Forward architecture and runt/CRC filtering
eliminates erroneous packets to optimize the network bandwidthStorm Control support- Broadcast / Multicast / Unicast / Unknown-unicastSupports VLAN- IEEE 802.1Q tagged VLAN- Up to 255 VLANs groups, out of 4095 VLAN IDs- Provider Bridging (VLAN Q-in-Q) support (IEEE 802.1ad)- Private VLAN Edge (PVE)- Protocol-based VLAN- MAC-based VLAN- IP Subnet-based VLAN- Voice VLAN- Management VLANSupports Spanning Tree Protocol- STP, IEEE 802.1D Spanning Tree Protocol- RSTP, IEEE 802.1w Rapid Spanning Tree Protocol- MSTP, IEEE 802.1s Multiple Spanning Tree Protocol- STP BPDU Guard and BPDU filteringSupports Link Aggregation- IEEE 802.3ad Link Aggregation Control Protocol (LACP)- Cisco ether-channel (Static Trunk)- Maximum 5 trunk groups, up to 5 ports per trunk group- Up to 20Gbps bandwidth (full duplex mode)Provides port mirror (many-to-1)Port Mirroring to monitor the incoming or outgoing traffic on a particular portLoop protection to avoid broadcast loops Layer 3 IP Routing FeaturesSupports maximum 32 software static routes and route summarization Quality of ServiceIngress Shaper and Egress Rate Limit per port bandwidth control8 priority queues on all switch portsTraffic classification- IEEE 802.1p CoS- TOS / DSCP / IP Precedence of IPv4/IPv6 packets- IP TCP/UDP port number- Typical network applicationStrict priority and Weighted Round Robin (WRR) CoS policiesTraffic-policing policies on the switch portDSCP remarking MulticastSupports IGMP Snooping v1, v2 and v3 for IPv4 multicasting networkSupports MLD Snooping v1 and v2 for IPv6 multicasting networkQuerier mode supportIGMP Snooping port filteringMLD Snooping port filteringMVR (Multicast VLAN Registration) SecurityAuthentication− IEEE 802.1x Port-based / MAC-based network access authentication- Built-in RADIUS client to co-operate with the RADIUS servers- TACACS+ login users access authentication- RADIUS / TACACS+ users access authenticationAccess Control List− IPv4 / IPv6 IP-based ACL- MAC-based ACLSource MAC / IP address bindingPort Security for Source MAC address entries filteringDHCP Snooping to filter distrusted DHCP messagesDynamic ARP Inspection discards ARP packets with invalid MAC address to IP address bindingIP Source Guard prevents IP spoofing attacksAuto DoS rule to defend DoS attackIP address access management to prevent unauthorized intruder SIk Liquidation Centre3A Botha Street Goodwood021 592 2222068 022 2222
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