Linksys E2500 v1

Linksys E2500 v1

The Linksys E2500 was a router released by Linksys around April 2011. It features a Broadcom BCM43236 dual-band wireless chip. It has 4, 10/100 ethernet ports, and a single 10/100 WAN port.

Devices with Broadcom WiFi chipsets have limited OpenWrt supportability (due to limited FLOSS driver availability for Broadcom chips). Consider this when choosing a device to buy, or when deciding to flash OpenWrt on your device because it is listed as supported. See Broadcom WiFi for details.

Supported Versions

Hardware Highlights

Installation

→ Install OpenWrt

OEM easy installation

Next, go to Administration, and then click the Firmware Upgrade option in the sub-menu. Click browse, upload the .bin you downloaded from above, click “Start Upgrade”, and wait for the router to reboot.

OEM installation using the TFTP method

→ generic.flashing.tftp

Upgrading OpenWrt

→ generic.sysupgrade

LuCI Web Upgrade Process

Browse to http://192.168.1.1/cgi-bin/luci/mini/system/upgrade/ LuCI Upgrade URL
Upload image file for sysupgrade to LuCI
Wait for reboot

Terminal Upgrade Process

If you don't have a GUI (LuCI) available, you can alternatively upgrade via the command line. There are two command line methods for upgrading:

sysupgrade
mtd

Note: It is important that you put the firmware image into the ramdisk (/tmp) before you start flashing.

sysupgrade

cd /tmp
wget http://downloads.openwrt.org/snapshots/trunk/XXX/xxx.abc
sysupgrade /tmp/xxx.abc

mtd

If sysupgrade does not support this router, use mtd.

cd /tmp
wget http://downloads.openwrt.org/snapshots/trunk/XXX/xxx.abc
mtd write /tmp/xxx.abc linux && reboot

Debricking

→ generic.debrick

Failsafe mode

→ failsafe_and_factory_reset

Basic configuration

→ Basic configuration After flashing, proceed with this.
Set up your Internet connection, configure wireless, configure USB port, etc.

Network interfaces

The default network configuration is:

Interface Name	Description	Default configuration
eth0.2	WAN	DHCP Client
eth0.1	LAN ports (1 to 4)	192.168.1.1/24

Buttons

→ hardware.button on howto use and configure the hardware button(s).

The Linksys E2500 has the following buttons:

BUTTON	Event
Reset	reset

Opening the case

→ Warranty

To remove the cover, remove the rubber feet from the bottom of the case, and unscrew the following 3 screws as shown below:

PCB (Top):

PCB (Bottom):

Dmesg Output

OpenWrt Dmesg Output

[ 0.000000] Linux version 3.18.23 (buildbot@builder1) (gcc version 4.8.3 (OpenWrt/Linaro GCC 4.8-2014.04 r48532) ) #1 Tue Mar 1 09:17:19 CET 2016 [ 0.000000] CPU0 revision is: 00019749 (MIPS 74Kc) [ 0.000000] bcm47xx: Using bcma bus [ 0.000000] bcma: bus0: Found chip with id 0x5357, rev 0x02 and package 0x08 [ 0.000000] Determined physical RAM map: [ 0.000000] memory: 04000000 @ 00000000 (usable) [ 0.000000] Initrd not found or empty - disabling initrd [ 0.000000] Zone ranges: [ 0.000000] Normal [mem 0x00000000-0x03ffffff] [ 0.000000] HighMem empty [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x00000000-0x03ffffff] [ 0.000000] Initmem setup node 0 [mem 0x00000000-0x03ffffff] [ 0.000000] On node 0 totalpages: 16384 [ 0.000000] free_area_init_node: node 0, pgdat 802e4300, node_mem_map 81000000 [ 0.000000] Normal zone: 128 pages used for memmap [ 0.000000] Normal zone: 0 pages reserved [ 0.000000] Normal zone: 16384 pages, LIFO batch:3 [ 0.000000] Primary instruction cache 32kB, VIPT, 4-way, linesize 32 bytes. [ 0.000000] Primary data cache 32kB, 4-way, VIPT, cache aliases, linesize 32 bytes [ 0.000000] pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768 [ 0.000000] pcpu-alloc: [0] 0 [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 16256 [ 0.000000] Kernel command line: noinitrd console=ttyS0,115200 [ 0.000000] PID hash table entries: 256 (order: -2, 1024 bytes) [ 0.000000] Dentry cache hash table entries: 8192 (order: 3, 32768 bytes) [ 0.000000] Inode-cache hash table entries: 4096 (order: 2, 16384 bytes) [ 0.000000] Writing ErrCtl register=00000000 [ 0.000000] Readback ErrCtl register=00000000 [ 0.000000] Memory: 61392K/65536K available (2594K kernel code, 119K rwdata, 324K rodata, 148K init, 288K bss, 4144K reserved, 0K highmem) [ 0.000000] NR_IRQS:128 [ 0.000000] bcma: bus0: Core 0 found: ChipCommon (manuf 0x4BF, id 0x800, rev 0x26, class 0x0) [ 0.000000] bcma: bus0: Core 1 found: IEEE 802.11 (manuf 0x4BF, id 0x812, rev 0x1C, class 0x0) [ 0.000000] bcma: bus0: Core 2 found: GBit MAC (manuf 0x4BF, id 0x82D, rev 0x03, class 0x0) [ 0.000000] bcma: bus0: Core 3 found: MIPS 74K (manuf 0x4A7, id 0x82C, rev 0x04, class 0x0) [ 0.000000] bcma: bus0: Core 4 found: USB 2.0 Host (manuf 0x4BF, id 0x819, rev 0x05, class 0x0) [ 0.000000] bcma: bus0: Core 5 found: DDR1/DDR2 Memory Controller (manuf 0x4BF, id 0x82E, rev 0x02, class 0x0) [ 0.000000] bcma: bus0: Core 6 found: I2S (manuf 0x4BF, id 0x834, rev 0x02, class 0x0) [ 0.000000] bcma: bus0: Core 7 found: Internal Memory (manuf 0x4BF, id 0x80E, rev 0x0B, class 0x0) [ 0.000000] bcma: bus0: Found rev 9 PMU (capabilities 0x28A42A09) [ 0.000000] bcma: bus0: Found serial flash [ 0.000000] bcma: bus0: Found M25P64 serial flash (size: 8192KiB, blocksize: 0x10000, blocks: 128) [ 0.000000] bcma: bus0: Early bus registered [ 0.000000] MIPS: machine is Unknown Board [ 0.000000] bcm47xx: Setting up vectored interrupts [ 0.070000] Calibrating delay loop... 149.91 BogoMIPS (lpj=749568) [ 0.070000] pid_max: default: 32768 minimum: 301 [ 0.070000] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes) [ 0.070000] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes) [ 0.070000] NET: Registered protocol family 16 [ 0.100000] Switched to clocksource MIPS [ 0.100000] NET: Registered protocol family 2 [ 0.100000] TCP established hash table entries: 1024 (order: 0, 4096 bytes) [ 0.100000] TCP bind hash table entries: 1024 (order: 0, 4096 bytes) [ 0.100000] TCP: Hash tables configured (established 1024 bind 1024) [ 0.100000] TCP: reno registered [ 0.100000] UDP hash table entries: 256 (order: 0, 4096 bytes) [ 0.100000] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes) [ 0.110000] NET: Registered protocol family 1 [ 0.110000] PCI: CLS 0 bytes, default 32 [ 0.540000] bcma: bus0: Using SPROM revision 8 provided by platform. [ 0.540000] bcma: bus0: PMU resource config unknown or not needed for device 0x5357 [ 0.540000] bcma: bus0: Workarounds unknown or not needed for device 0x5357 [ 0.540000] bcma: bus0: Initializing MIPS core... [ 0.540000] bcma: bus0: set_irq: core 0x0812, irq 3 => 3 [ 0.540000] bcma: bus0: set_irq: core 0x082d, irq 4 => 4 [ 0.540000] bcma: bus0: set_irq: core 0x0819, irq 5 => 5 [ 0.540000] bcma: bus0: set_irq: core 0x0800, irq 2 => 2 [ 0.540000] bcma: bus0: set_irq: core 0x0834, irq 2 => 2 [ 0.540000] bcma: bus0: IRQ reconfiguration done [ 0.540000] bcma: core 0x0800, irq : 2(S)* 3 4 5 6 D I [ 0.540000] bcma: core 0x0812, irq : 2(S) 3* 4 5 6 D I [ 0.540000] bcma: core 0x082d, irq : 2(S) 3 4* 5 6 D I [ 0.540000] bcma: core 0x082c, irq : 2(S) 3 4 5 6 D I* [ 0.540000] bcma: core 0x0819, irq : 2(S) 3 4 5* 6 D I [ 0.540000] bcma: core 0x082e, irq : 2(S) 3 4 5 6 D* I [ 0.540000] bcma: core 0x0834, irq : 2(S)* 3 4 5 6 D I [ 0.540000] bcma: core 0x080e, irq : 2(S) 3 4 5 6 D I* [ 0.540000] bcma: bus0: Bus registered [ 0.550000] futex hash table entries: 256 (order: -1, 3072 bytes) [ 0.550000] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 0.550000] jffs2: version 2.2 (NAND) (SUMMARY) (LZMA) (RTIME) (CMODE_PRIORITY) (c) 2001-2006 Red Hat, Inc. [ 0.550000] msgmni has been set to 119 [ 0.550000] io scheduler noop registered [ 0.550000] io scheduler deadline registered (default) [ 0.550000] Serial: 8250/16550 driver, 16 ports, IRQ sharing enabled [ 0.560000] console [ttyS0] disabled [ 0.580000] serial8250.0: ttyS0 at MMIO 0xb8000300 (irq = 2, base_baud = 1250000) is a U6_16550A [ 0.950000] console [ttyS0] enabled [ 1.000000] 6 bcm47xxpart partitions found on MTD device bcm47xxsflash [ 1.010000] Creating 6 MTD partitions on "bcm47xxsflash": [ 1.020000] 0x000000000000-0x000000040000 : "boot" [ 1.020000] 0x000000040000-0x0000007f0000 : "firmware" [ 1.030000] 0x00000004001c-0x00000004090c : "loader" [ 1.040000] 0x00000004090c-0x000000147800 : "linux" [ 1.040000] 0x000000147800-0x0000007f0000 : "rootfs" [ 1.050000] mtd: device 4 (rootfs) set to be root filesystem [ 1.060000] 1 squashfs-split partitions found on MTD device rootfs [ 1.060000] 0x000000370000-0x0000007f0000 : "rootfs_data" [ 1.070000] 0x0000007f0000-0x000000800000 : "nvram" [ 1.080000] bgmac bcma0:2: Found PHY addr: 30 (NOREGS) [ 1.090000] bgmac bcma0:2: Support for Roboswitch not implemented [ 1.140000] libphy: bgmac mii bus: probed [ 1.250000] b53_common: found switch: BCM5325, rev 4 [ 1.260000] bgmac: Broadcom 47xx GBit MAC driver loaded [ 1.270000] bcm47xx-wdt bcm47xx-wdt.0: BCM47xx Watchdog Timer enabled (30 seconds) [ 1.270000] TCP: cubic registered [ 1.280000] NET: Registered protocol family 17 [ 1.280000] bridge: automatic filtering via arp/ip/ip6tables has been deprecated. Update your scripts to load br_netfilter if you need this. [ 1.300000] Bridge firewalling registered [ 1.300000] 8021q: 802.1Q VLAN Support v1.8 [ 1.320000] VFS: Mounted root (squashfs filesystem) readonly on device 31:4. [ 1.320000] Freeing unused kernel memory: 148K (802fb000 - 80320000) [ 3.150000] init: Console is alive [ 3.160000] init: - watchdog - [ 5.180000] init: - preinit - [ 6.130000] random: mktemp urandom read with 9 bits of entropy available [ 9.770000] jffs2: notice: (226) jffs2_build_xattr_subsystem: complete building xattr subsystem, 0 of xdatum (0 unchecked, 0 orphan) and 0 of xref (0 dead, 0 orphan) found. [ 9.790000] mount_root: switching to jffs2 overlay [ 9.850000] procd: - early - [ 9.850000] procd: - watchdog - [ 10.990000] procd: - ubus - [ 12.000000] procd: - init - [ 14.720000] NET: Registered protocol family 10 [ 14.740000] ip6_tables: (C) 2000-2006 Netfilter Core Team [ 14.770000] Loading modules backported from Linux version master-2015-03-09-0-g141f155 [ 14.770000] Backport generated by backports.git backports-20150129-0-gdd4a670 [ 14.790000] ip_tables: (C) 2000-2006 Netfilter Core Team [ 14.820000] nf_conntrack version 0.5.0 (961 buckets, 3844 max) [ 14.890000] xt_time: kernel timezone is -0000 [ 14.940000] cfg80211: Calling CRDA to update world regulatory domain [ 14.970000] cfg80211: World regulatory domain updated: [ 14.970000] cfg80211: DFS Master region: unset [ 14.980000] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time) [ 14.990000] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (N/A, 2000 mBm), (N/A) [ 15.000000] cfg80211: (2457000 KHz - 2482000 KHz @ 20000 KHz, 92000 KHz AUTO), (N/A, 2000 mBm), (N/A) [ 15.000000] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (N/A, 2000 mBm), (N/A) [ 15.010000] cfg80211: (5170000 KHz - 5250000 KHz @ 80000 KHz, 160000 KHz AUTO), (N/A, 2000 mBm), (N/A) [ 15.020000] cfg80211: (5250000 KHz - 5330000 KHz @ 80000 KHz, 160000 KHz AUTO), (N/A, 2000 mBm), (0 s) [ 15.030000] cfg80211: (5490000 KHz - 5730000 KHz @ 160000 KHz), (N/A, 2000 mBm), (0 s) [ 15.040000] cfg80211: (5735000 KHz - 5835000 KHz @ 80000 KHz), (N/A, 2000 mBm), (N/A) [ 15.050000] cfg80211: (57240000 KHz - 63720000 KHz @ 2160000 KHz), (N/A, 0 mBm), (N/A) [ 15.190000] PPP generic driver version 2.4.2 [ 15.200000] NET: Registered protocol family 24 [ 15.230000] b43-phy0: Broadcom 5357 WLAN found (core revision 28) [ 15.240000] b43-phy0: Found PHY: Analog 9, Type 4 (N), Revision 9 [ 15.240000] b43-phy0 ERROR: FOUND UNSUPPORTED RADIO (Manuf 0x17F, ID 0x2057, Revision 5, Version 2) [ 15.250000] b43: probe of bcma0:1 failed with error -122 [ 15.260000] Broadcom 43xx driver loaded [ Features: NL ] [ 30.510000] device eth0.1 entered promiscuous mode [ 30.520000] device eth0 entered promiscuous mode [ 30.540000] br-lan: port 1(eth0.1) entered forwarding state [ 30.540000] br-lan: port 1(eth0.1) entered forwarding state [ 32.540000] br-lan: port 1(eth0.1) entered forwarding state [ 79.930000] random: nonblocking pool is initialized

Notes

Ethernet is tested to work fine. This router would make a great Ethernet only router. Wireless does not work on this device.
Broadcom Chipset Data Sheet: http://www.cypress.com/file/298561/download

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