Cisco C1127-8P Full Product Description

1. Short Overview

Suffix Breakdown

• C1127: High-performance hybrid DSL-fiber fixed ISR chassis of Cisco 112x series, integrated VDSL2/ADSL2+/G.FAST DSL modem for POTS Annex A/M telephone line broadband, plus combo fiber-copper Ethernet WAN
• 8: Integrated 8-port full Gigabit copper LAN switch
• P: 6 of 8 LAN ports support PoE / PoE+ power output with total shared PoE power budget of 120W

Core Differentiators

1. vs pure Ethernet C1121-8P: C1121-8P has no built-in DSL modem; C1127-8P integrates full ITU-compliant multi-profile DSL chipset for legacy telco copper POTS access networksCisco.
2. vs Annex B/J ISDN DSL C1126-8P: C1126 uses DSL Annex B/J for ISDN lines; C1127-8P adopts Annex A/M for standard analog POTS telephone circuits, mainstream for residential and SME DSL deploymentsCisco.
3. vs enhanced memory C1127X-8P: X-suffix models upgrade to 8GB DRAM + 8GB flash with IOx edge compute support; base C1127-8P ships with standard 4GB DRAM + 4GB flash without native IOx workload capabilityCisco.
4. vs cellular variant C1127-8PLTEP: LTE variants add front pluggable PIM slots for redundant wireless WAN; base C1127-8P is wired-only without cellular expansion capability.
5. vs wireless variant C1127-8PWE: Wireless models integrate internal dual-band 802.11ac Wave2 WLAN AP hardware; C1127-8P omits built-in Wi-Fi access point functionality.
6. vs legacy ISR G2 C880 DSL routers: Older DSL ISRs run classic IOS without native SD-WAN, limited crypto acceleration and no flexible SFP fiber combo uplink; C1127-8P adopts modern multi-core IOS XE architecture and dedicated hardware VPN acceleration.

2. Hardware Interface & Performance Specifications

Dual Hybrid WAN Architecture (Automatic Dual-Path Failover Supported)

1. Combo Gigabit Ethernet WAN Port (GE0/0/0)
   10/100/1000BASE-T RJ45 copper interface paired with a shared SFP slot supporting industry-standard 1G fiber transceivers (SX/LX/T). Auto MDI/MDI-X speed negotiation, enabling flexible fiber or copper primary high-bandwidth Metro Ethernet broadband access for branch voice, video and data workloadsCisco.
2. Integrated Multi-Standard DSL WAN Port
   Built-in ITU-compliant DSL modem supporting complete G.FAST, VDSL2 and ADSL2/2+ profiles:

• G.FAST: 106a / 106b (up to 106MHz spectrum)
• VDSL2: 8a/8b/12a/17a/35b with vectoring support
• ADSL2/2+ Annex A / Annex M analog POTS
  Includes dying gasp power detection and comprehensive built-in DSL line diagnostic toolkit for signal attenuation, noise margin, crosstalk and error rate monitoring, acting as secondary backup broadband uplink over existing copper telephone linesCisco.
  Supports IP SLA, VRRP and policy-based SD-WAN traffic steering to trigger automatic failover between combo fiber/copper Ethernet and DSL WAN paths.

8-Port Full Gigabit Managed LAN Switch

• Ports 1–4: IEEE 802.3af PoE (max 15.4W per port for standard IP cameras, single-line VoIP phones, low-power indoor wireless APs)
• Ports 5–6: IEEE 802.3at PoE+ (max 30W per port for compact high-power 4K PTZ surveillance cameras, Wi-Fi 6 enterprise low-density access points)
• Ports 7–8: Standard non-PoE Gigabit copper for desktop PCs, local file servers and low-power wired IoT sensors
  Total shared PoE power budget: 120W, eliminating bulky external PoE injectors for medium-scale unified communications and multi-camera surveillance deployments.
  Full enterprise Layer 2 switching feature set:
• 802.1Q VLAN tagging, port isolation, static MAC address security, dedicated DMZ port assignment
• Broadcast/multicast storm suppression, SPAN traffic mirroring, LACP link aggregation, Cisco Auto Smartport auto-provisioning macros
• Per-port CoS traffic marking, bandwidth policing, private VLAN segmentation, CDP device discovery

Management & Auxiliary Ports

1. Micro-USB Console port: Dedicated out-of-band local CLI access via Micro-USB cable for offline factory provisioning and on-site troubleshooting
2. Single USB 3.0 Type-A dual-purpose host port: Supports external flash drives for offline configuration backups, system log archiving, EEM automation scripts and Zero-Touch Provisioning (ZTP) image deployment; also compatible with optional CAT4/CAT6 USB LTE dongles for auxiliary tertiary cellular backup WAN
3. External DC power input jack (requires separate 12V DC 150W universal AC power adapter to sustain full 120W PoE load; no internal integrated PSU)
4. Hardware reset button, Kensington anti-theft lock slot for physical equipment protection
5. Embedded RTC real-time clock for precise timestamping of security audit logs, digital certificate validity and network fault events

Memory, Storage & Performance Benchmarks

• DRAM: 4 GB fixed non-upgradeable system memory, supports up to 100 concurrent IPsec/DMVPN tunnels, dual-path SD-WAN multi-path forwarding, inline NGIPS inspection and full 8-port PoE LAN + hybrid DSL/Ethernet WAN traffic processing under maximum full load
• Flash storage: 4 GB onboard non-upgradeable flash; factory preloadedc900-universalk9-mzIOS XE Universal Advanced Security image, minimum supported firmware release 16.11.1
• Maximum IPsec encrypted IMIX throughput (multi-tunnel): 650 Mbps
• Unencrypted raw IPv4 IMIX routing throughput: Up to 1 Gbps
• Concurrent site-to-site IPsec/DMVPN tunnels: Up to 100
• Concurrent remote SSL VPN users: Up to 100

Front Panel LED Status Indicators

Physical & Power Parameters

• Form factor: Slim fanless metal desktop chassis, optional wall-mount bracket and ACS-1100-RM2 19-inch rack-mount kit available
• Dimensions (H × W × D): 41.9 mm × 322 mm × 226 mm (1.65 × 12.7 × 8.9 inches) with anti-slip rubber feet
• Weight: ~1.58 kg (3.48 lbs) without external power adapter and SFP transceivers
• Power supply requirement: Separate external 12V DC 150W universal AC adapter (100–240V AC mains input, 50/60Hz)
• Typical maximum power consumption: 29 W under combo Ethernet + DSL WAN + full 120W PoE LAN load
• Ingress protection: IP20, designed exclusively for dry indoor commercial office and telco wiring closet environments

Standard Commercial Environmental Specifications

• Operating temperature: 0°C ~ +40°C (32°F ~ 104°F); linear performance derating of 1.5°C per 1000 m altitude above 3000 m
• Storage temperature: -40°C ~ +70°C (-40°F ~ 158°F)
• Relative humidity: 10%–85% RH non-condensing
• Maximum operating altitude: 3,000 m (10,000 ft)

3. Hardware Acceleration & Security Engine

• Dedicated onboard crypto co-processor fully offloads IPsec, IKEv2 and SSL VPN encryption traffic, eliminating CPU bottlenecks under heavy concurrent site-to-site and remote access tunnel workloads
• Permanent integrated universal security license enables complete enterprise encryption suite: AES-128/192/256, 3DES, DES, SHA-1/SHA-2, IKEv1/IKEv2 static tunnels, Easy VPN remote access and DMVPN dynamic hub-spoke tunnels
• Native traffic isolation filters to segregate corporate staff LAN, PoE camera/VoIP IoT subnet and untrusted public internet via independent VLAN zoning to block lateral threat movement across fiber and DSL uplink paths
• Embedded Cisco Umbrella cloud security and Encrypted Traffic Analytics (ETA) for advanced threat detection over public DSL and fiber broadband networks

4. Cisco IOS XE Advanced Security & SD-WAN Feature Suite

Dual Hybrid WAN Redundancy Routing (Combo Fiber-Copper Ethernet + Integrated DSL Annex A/M)

• Cisco Express Forwarding (CEF), static routing, RIPv1/v2, OSPF, EIGRP, BGP, GRE/MGRE tunnel encapsulation, complete IPv4/IPv6 dual-stack routing support
• Automatic policy-based dual-path failover logic across combo fiber/copper Ethernet primary WAN and integrated DSL backup uplink via VRRP and continuous IP SLA circuit health validation
• Metro Ethernet 802.3ah E-LMI link fault monitoring for fiber/copper carrier SLA tracking; complete built-in DSL line diagnostic toolkit for signal attenuation, noise margin, vectoring and error rate monitoring
• Policy-Based Routing (PBR), multi-NAT pools, PAT overload for logical segmentation of mixed PoE-powered surveillance and voice endpoints
• DHCP server/relay/client, DNS proxy, dynamic DNS, IP SLA active link performance monitoring across both WAN paths

Unified Enterprise Threat Security Suite

• Zone-Based Stateful Inspection Firewall (ZBFW) to isolate internal corporate LAN, PoE device subnet, DMZ and untrusted public internet traffic zones with granular inter-zone access control policies
• Next-Generation Intrusion Prevention System (NGIPS), Cisco Umbrella cloud URL filtering, deep NBAR2 advanced application control for HTTP, FTP, IM, video conferencing and mainstream business workloads
• AAA authentication via TACACS+ / RADIUS, 802.1X port authentication supported on all eight Gigabit LAN ports
• Secure management only: SSHv2, HTTPS, SNMPv3; plaintext Telnet disabled by factory default
• Granular access control lists (ACLs), static MAC address port lockdown on Gigabit switch ports, anti-spoofing and DDoS mitigation filters for inbound WAN traffic over both Ethernet and DSL uplinks

SD-WAN & Multi-Layer QoS Bandwidth Optimization

• Native Cisco SD-WAN integrated functionality for intelligent application-aware traffic steering across fiber/copper combo Ethernet and DSL hybrid paths, with application-defined SLA policy enforcement for critical voice, multi-stream video surveillance and POS payment workloads
• WFQ, CBWFQ, LLQ low-latency queuing mechanisms for priority forwarding of real-time industrial SCADA, voice and multi-camera video traffic over metered DSL broadband circuits
• NBAR2 deep packet inspection to classify and prioritize bandwidth-heavy business workloads (inter-site data replication, bulk video backhaul, enterprise cloud synchronization)
• RTP/TCP header compression, traffic shaping and policing to control DSL bandwidth consumption and avoid carrier overage charges
• PoE QoS scheduling to guarantee consistent power and bandwidth priority for mission-critical PoE+ 4K cameras and multi-line VoIP handsets across all six powered LAN ports

Remote Management & Automation

• Cisco Zero-Touch Provisioning (ZTP) for mass standardized deployment of DSL/G.FAST telco-managed hybrid access CPE and medium retail branches
• Cisco IOS Embedded Event Manager (EEM): Scriptable triggers for combo Ethernet/DSL WAN link loss, DSL sync failure, PoE power faults and USB storage events with email/SNMP alert notifications for remote IT and telco operations staff
• SNMP v2c/v3, remote syslog logging, IP SLA end-to-end link performance telemetry, dedicated MIB extensions for dual hybrid WAN circuit status, DSL line quality and PoE power consumption monitoring
• Compatible with Cisco Configuration Professional (CCP), Cisco DNA Center Lite and vManage SD-WAN controller for unified single-pane-of-glass remote monitoring of routing, security, PoE and hybrid DSL/Ethernet dual-WAN subsystems
• GOLD non-disruptive onboard diagnostics for continuous remote hardware health checks of combo SFP Ethernet, integrated DSL modem and PoE switching interfaces without service interruption

5. Typical Deployment Scenarios

1. DSL/G.FAST Telco Hybrid Fiber-DSL Medium Retail PoE Secure Gateway
   Combo SFP/RJ45 WAN port delivers high-bandwidth fiber Metro Ethernet primary uplink for medium retail POS transaction and multi-camera 4K surveillance video backhaul; integrated VDSL2/G.FAST DSL port acts as automatic secondary backup uplink over existing analog POTS copper telephone lines during fiber cut outages. Integrated 8-port mixed PoE/PoE+ LAN switch powers multiple POS payment terminals, high-power PoE+ PTZ security cameras, multi-line VoIP desk phones and store Wi-Fi 6 APs without external PoE injectors. VLAN segmentation isolates sensitive payment infrastructure from staff LAN and public internet threats. Persistent encrypted IPsec DMVPN/SD-WAN tunnels transmit retail video and transaction data securely back to central corporate data centers, with zone firewall + NGIPS mitigating external cyber intrusion risks over fiber and DSL public networks.
2. DSL Service Provider Premium Hybrid Fiber-Copper SME CPE
   Cost-effective high-performance compact hardware platform enables DSL/G.FAST ISPs to deliver dual redundant fiber-copper managed broadband services to medium enterprise subscribers requiring high-density PoE surveillance and voice endpoints. Centralized ZTP mass deployment and remote SNMP/vManage monitoring support bundled managed security, multi-PoE and SD-WAN networking service packages for mid-sized business market segments.
3. Small-Medium Enterprise Office Hybrid SD-WAN Branch Router
   Dual hybrid WAN design allows fiber primary broadband for stable encrypted Easy VPN/SD-WAN connectivity to corporate headquarters; DSL copper POTS line provides low-cost backup for circuit resilience in rural and suburban locations. Mixed PoE/PoE+ LAN ports power office high-power surveillance cameras, multi-line VoIP equipment and multiple wireless access points, full EIGRP/BGP routing support enables seamless intelligent multi-path traffic steering to core enterprise networks.
4. Multi-Building Campus Remote High-Density IoT Surveillance PoE Edge Router
   Eight LAN ports connect dozens of high-resolution PoE/PoE+ cameras, building access control sensors and environmental monitoring equipment; combo fiber WAN delivers high-bandwidth primary backhaul to campus core network, integrated DSL port acts as emergency wired backup during fiber failure events, automatic SD-WAN failover maintains uninterrupted multi-stream video data transmission.
5. Rural Converged Voice & Video Hybrid DSL-Fiber Branch Router
   Fanless low-noise compact design fits tiny rural office wiring closets; dual redundant fiber/DSL WAN paths eliminate single points of failure for mission-critical unified communications and multi-camera surveillance workloads, built-in dedicated hardware encryption secures all inter-branch VPN communications over public fiber and DSL copper broadband circuits.

6. Standard Package Contents of C1127-8P

Separately Sold Optional Accessories

• Micro-USB rollover console cable for local CLI configuration
• 12V 150W external universal AC power supply (mandatory operating accessory for full PoE functionality)
• 1G SFP fiber transceivers (SX/LX/T) for combo WAN fiber connectivity
• CAT4/CAT6 USB LTE cellular dongles for auxiliary tertiary wireless backup WAN
• USB flash storage drives for log archiving and offline configuration backup
• CAT5e/CAT6 Ethernet patch cords for eight Gigabit LAN and combo GE WAN connections
• RJ11 DSL telephone line cable for DSL WAN copper line connection
• ACS-1100-RM 19-inch rack mount kit for wiring cabinet deployment

Software Licensing Information

• Permanent integrated security & crypto license included; no additional purchase required for IPsec, AES encryption, zone firewall and NGIPS threat defense features
• All core routing, hybrid DSL/combo Ethernet dual-path WAN failover, DSL line diagnostic management, PoE/PoE+ power management, QoS, native Cisco SD-WAN intelligent traffic steering, ZTP and 8-port Gigabit managed switch features are fully included in the base IOS XE universal image; no extra paid feature licenses needed
• No wireless AP or embedded cellular license applicable (WLAN radio and internal pluggable LTE PIM hardware are omitted from this hybrid DSL-fiber high-density PoE base SKU)

Short Commercial Catalog Summary for Quotation