Speedifyで集約した回線を他の端末で使用するには・・・。
Speedifyで集めた回線(有線NICや無線等)をいろんな端末で使用したいということはあると思うが、 単純なブリッジでは動かなかったので、結局Connectify Hotspotを使用するのが一番早かった。
また、Speedifyを使っている人の記事はままあるが、 実際の使用感としては、それなりに早い回線を束ねないとあまり意味がない。 (格安SIMなどの1Mbps出るか出ない回線はほぼ役に立たない。むしろ遅くなる。)
参考になる他の方のレビュー: nogunori.hatenablog.com
Ciscoの自律APのLEDをオフにする設定
> enable
# conf t
LEDを消灯する場合
(config)# led display off
LEDを使用する場合
(config)no led display off
VMware vSphere Hypervisor(無償版)のスペック制限
vCneterに参加できないなどの機能比較はでてくるが、スペックの制限は調べてもあまり明確に出てこなかったので、書き留めておく。ここまで使えるなら、評価版ではなくて、無償版でも良さそう・・・。
バージョンでいうと6くらいからこの仕様っぽい。
昔はメモリ容量の制限などがあったらしい。
物理CPU1個のコア数:制限無し
物理CPU数:制限無し
論理CPU数:480
VM一台あたりのコア数:8
参考: www.vmware.com
ウェブカメラで撮影した画像を取得する方法
やりたいこと
ラズパイからRTSPに対応したウェブカメラで撮影した画像を取得したい。
やりかた
png形式で横640でアスペクト比は維持して取得。ファイル名はout.png
ffmpeg -ss 5 -y -rtsp_transport tcp -i rtsp://<WebカメラのIPアドレス>:554/stream1 -f image2 -vcodec png -vframes 1 -vf scale=640:-1 out.png
蛇足
デフォルトだとおそらくUDPで取得するようで、LANの環境が良くないと、
ナイアガラの滝のような乱れが画像に写ってしまう。
TCPで取得するオプションを入れたところ、乱れがなくなった。
乱れていたときに出ていたメッセージは、下記のような感じ。
XXXXXX@raspberrypi:~ $ ffmpeg -ss 5 -y -i rtsp://<WebカメラのIPアドレス>:554/stream1 -f image2 -vcodec png -vframes 1 -vf scale=640:-1 out.png ffmpeg version 4.1.4-1+rpt6~deb10u1 Copyright (c) 2000-2019 the FFmpeg developers built with gcc 8 (Raspbian 8.3.0-6+rpi1) configuration: --prefix=/usr --extra-version='1+rpt6~deb10u1' --toolchain=hardened --incdir=/usr/include/arm-linux-gnueabihf --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-omx-rpi --enable-mmal --enable-neon --disable-vaapi --disable-vdpau --enable-rpi --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared --libdir=/usr/lib/arm-linux-gnueabihf --cpu=arm1176jzf-s --arch=arm WARNING: library configuration mismatch avutil configuration: --prefix=/usr --extra-version='1+rpt6~deb10u1' --toolchain=hardened --incdir=/usr/include/arm-linux-gnueabihf --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-omx-rpi --enable-mmal --enable-neon --disable-vaapi --disable-vdpau --enable-rpi --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --libdir=/usr/lib/arm-linux-gnueabihf/neon/vfp --cpu=cortex-a7 --arch=armv6t2 --disable-thumb --enable-shared --disable-doc --disable-programs avcodec configuration: --prefix=/usr --extra-version='1+rpt6~deb10u1' --toolchain=hardened --incdir=/usr/include/arm-linux-gnueabihf --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-omx-rpi --enable-mmal --enable-neon --disable-vaapi --disable-vdpau --enable-rpi --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --libdir=/usr/lib/arm-linux-gnueabihf/neon/vfp --cpu=cortex-a7 --arch=armv6t2 --disable-thumb --enable-shared --disable-doc --disable-programs avformat configuration: --prefix=/usr --extra-version='1+rpt6~deb10u1' --toolchain=hardened --incdir=/usr/include/arm-linux-gnueabihf --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-omx-rpi --enable-mmal --enable-neon --disable-vaapi --disable-vdpau --enable-rpi --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --libdir=/usr/lib/arm-linux-gnueabihf/neon/vfp --cpu=cortex-a7 --arch=armv6t2 --disable-thumb --enable-shared --disable-doc --disable-programs avdevice configuration: --prefix=/usr --extra-version='1+rpt6~deb10u1' --toolchain=hardened --incdir=/usr/include/arm-linux-gnueabihf --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-omx-rpi --enable-mmal --enable-neon --disable-vaapi --disable-vdpau --enable-rpi --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --libdir=/usr/lib/arm-linux-gnueabihf/neon/vfp --cpu=cortex-a7 --arch=armv6t2 --disable-thumb --enable-shared --disable-doc --disable-programs avfilter configuration: --prefix=/usr --extra-version='1+rpt6~deb10u1' --toolchain=hardened --incdir=/usr/include/arm-linux-gnueabihf --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-omx-rpi --enable-mmal --enable-neon --disable-vaapi --disable-vdpau --enable-rpi --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --libdir=/usr/lib/arm-linux-gnueabihf/neon/vfp --cpu=cortex-a7 --arch=armv6t2 --disable-thumb --enable-shared --disable-doc --disable-programs avresample configuration: --prefix=/usr --extra-version='1+rpt6~deb10u1' --toolchain=hardened --incdir=/usr/include/arm-linux-gnueabihf --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-omx-rpi --enable-mmal --enable-neon --disable-vaapi --disable-vdpau --enable-rpi --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --libdir=/usr/lib/arm-linux-gnueabihf/neon/vfp --cpu=cortex-a7 --arch=armv6t2 --disable-thumb --enable-shared --disable-doc --disable-programs swscale configuration: --prefix=/usr --extra-version='1+rpt6~deb10u1' --toolchain=hardened --incdir=/usr/include/arm-linux-gnueabihf --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-omx-rpi --enable-mmal --enable-neon --disable-vaapi --disable-vdpau --enable-rpi --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --libdir=/usr/lib/arm-linux-gnueabihf/neon/vfp --cpu=cortex-a7 --arch=armv6t2 --disable-thumb --enable-shared --disable-doc --disable-programs swresample configuration: --prefix=/usr --extra-version='1+rpt6~deb10u1' --toolchain=hardened --incdir=/usr/include/arm-linux-gnueabihf --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-omx-rpi --enable-mmal --enable-neon --disable-vaapi --disable-vdpau --enable-rpi --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --libdir=/usr/lib/arm-linux-gnueabihf/neon/vfp --cpu=cortex-a7 --arch=armv6t2 --disable-thumb --enable-shared --disable-doc --disable-programs postproc configuration: --prefix=/usr --extra-version='1+rpt6~deb10u1' --toolchain=hardened --incdir=/usr/include/arm-linux-gnueabihf --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-omx-rpi --enable-mmal --enable-neon --disable-vaapi --disable-vdpau --enable-rpi --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --libdir=/usr/lib/arm-linux-gnueabihf/neon/vfp --cpu=cortex-a7 --arch=armv6t2 --disable-thumb --enable-shared --disable-doc --disable-programs libavutil 56. 22.100 / 56. 22.100 libavcodec 58. 35.100 / 58. 35.100 libavformat 58. 20.100 / 58. 20.100 libavdevice 58. 5.100 / 58. 5.100 libavfilter 7. 40.101 / 7. 40.101 libavresample 4. 0. 0 / 4. 0. 0 libswscale 5. 3.100 / 5. 3.100 libswresample 3. 3.100 / 3. 3.100 libpostproc 55. 3.100 / 55. 3.100 [rtsp @ 0x17bd1e0] max delay reached. need to consume packet [rtsp @ 0x17bd1e0] RTP: missed 115 packets [h264 @ 0x17c03f0] error while decoding MB 42 11, bytestream -14 [h264 @ 0x17c03f0] concealing 6847 DC, 6847 AC, 6847 MV errors in I frame [rtsp @ 0x17bd1e0] max delay reached. need to consume packet [rtsp @ 0x17bd1e0] RTP: missed 25 packets [h264 @ 0x17c03f0] error while decoding MB 112 67, bytestream -9 [h264 @ 0x17c03f0] concealing 57 DC, 57 AC, 57 MV errors in P frame [rtsp @ 0x17bd1e0] max delay reached. need to consume packet [rtsp @ 0x17bd1e0] RTP: missed 6 packets [rtsp @ 0x17bd1e0] max delay reached. need to consume packet [rtsp @ 0x17bd1e0] RTP: missed 5 packets Guessed Channel Layout for Input Stream #0.1 : mono Input #0, rtsp, from 'rtsp://<WebカメラのIPアドレス>:554/stream1': Metadata: title : stream server comment : stream1 Duration: N/A, start: 0.000000, bitrate: N/A Stream #0:0: Video: h264 (High), yuv420p(progressive), 1920x1080, 25 fps, 25 tbr, 90k tbn, 50 tbc Stream #0:1: Audio: pcm_mulaw, 8000 Hz, mono, s16, 64 kb/s Stream mapping: Stream #0:0 -> #0:0 (h264 (native) -> png (native)) Press [q] to stop, [?] for help [rtsp @ 0x17bd1e0] max delay reached. need to consume packet [rtsp @ 0x17bd1e0] RTP: missed 23 packets [rtsp @ 0x17bd1e0] max delay reached. need to consume packet [rtsp @ 0x17bd1e0] RTP: missed 21 packets [h264 @ 0x190d1b0] cabac decode of qscale diff failed at 89 45 [h264 @ 0x190d1b0] error while decoding MB 89 45, bytestream 1230 [h264 @ 0x190d1b0] concealing 2720 DC, 2720 AC, 2720 MV errors in I frame Output #0, image2, to 'out.png': Metadata: title : stream server comment : stream1 encoder : Lavf58.20.100 Stream #0:0: Video: png, rgb24, 640x360, q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc58.35.100 png [rtsp @ 0x17bd1e0] max delay reached. need to consume packet [rtsp @ 0x17bd1e0] RTP: missed 7 packets [h264 @ 0x190d1b0] error while decoding MB 85 14, bytestream -9 speed= 0x [h264 @ 0x190d1b0] concealing 6444 DC, 6444 AC, 6444 MV errors in P frame [rtsp @ 0x17bd1e0] max delay reached. need to consume packet [rtsp @ 0x17bd1e0] RTP: missed 18 packets [rtsp @ 0x17bd1e0] max delay reached. need to consume packet [rtsp @ 0x17bd1e0] RTP: missed 12 packets [h264 @ 0x181b230] error while decoding MB 74 9, bytestream -9A speed= 0x [h264 @ 0x181b230] concealing 7055 DC, 7055 AC, 7055 MV errors in P frame [rtsp @ 0x17bd1e0] max delay reached. need to consume packet [rtsp @ 0x17bd1e0] RTP: missed 34 packets [h264 @ 0x182ada0] error while decoding MB 95 11, bytestream -11speed= 0x [h264 @ 0x182ada0] concealing 6794 DC, 6794 AC, 6794 MV errors in P frame [rtsp @ 0x17bd1e0] max delay reached. need to consume packet [rtsp @ 0x17bd1e0] RTP: missed 8 packets [h264 @ 0x181b230] error while decoding MB 35 10, bytestream -5 [h264 @ 0x181b230] concealing 6974 DC, 6974 AC, 6974 MV errors in P frame [rtsp @ 0x17bd1e0] max delay reached. need to consume packetN/A speed= 0x [rtsp @ 0x17bd1e0] RTP: missed 59 packets [rtsp @ 0x17bd1e0] max delay reached. need to consume packet [rtsp @ 0x17bd1e0] RTP: missed 6 packets [h264 @ 0x181b230] error while decoding MB 22 9, bytestream -9 [h264 @ 0x181b230] concealing 7107 DC, 7107 AC, 7107 MV errors in P frame [rtsp @ 0x17bd1e0] max delay reached. need to consume packet [rtsp @ 0x17bd1e0] RTP: missed 4 packets [h264 @ 0x190d1b0] error while decoding MB 97 11, bytestream -9 [h264 @ 0x190d1b0] concealing 6792 DC, 6792 AC, 6792 MV errors in P frame [h264 @ 0x190a100] error while decoding MB 15 28, bytestream -13 [h264 @ 0x190a100] concealing 4834 DC, 4834 AC, 4834 MV errors in P frame [rtsp @ 0x17bd1e0] max delay reached. need to consume packetN/A speed= 0x [rtsp @ 0x17bd1e0] RTP: missed 105 packets [h264 @ 0x190a100] error while decoding MB 77 5, bytestream -7 [h264 @ 0x190a100] concealing 7532 DC, 7532 AC, 7532 MV errors in P frame [rtsp @ 0x17bd1e0] max delay reached. need to consume packetN/A speed= 0x [rtsp @ 0x17bd1e0] RTP: missed 28 packets [rtsp @ 0x17bd1e0] max delay reached. need to consume packet [rtsp @ 0x17bd1e0] RTP: missed 12 packets [h264 @ 0x190d1b0] error while decoding MB 10 32, bytestream -7 [h264 @ 0x190d1b0] concealing 4359 DC, 4359 AC, 4359 MV errors in P frame [rtsp @ 0x17bd1e0] max delay reached. need to consume packetN/A speed= 0x [rtsp @ 0x17bd1e0] RTP: missed 37 packets [rtsp @ 0x17bd1e0] max delay reached. need to consume packet [rtsp @ 0x17bd1e0] RTP: missed 6 packets [h264 @ 0x182ada0] error while decoding MB 9 7, bytestream -5 [h264 @ 0x182ada0] concealing 7360 DC, 7360 AC, 7360 MV errors in P frame [h264 @ 0x181b230] error while decoding MB 84 11, bytestream -7 [h264 @ 0x181b230] concealing 6805 DC, 6805 AC, 6805 MV errors in P frame [rtsp @ 0x17bd1e0] max delay reached. need to consume packetN/A speed= 0x [rtsp @ 0x17bd1e0] RTP: missed 85 packets [rtsp @ 0x17bd1e0] max delay reached. need to consume packet [rtsp @ 0x17bd1e0] RTP: missed 2 packets [h264 @ 0x1904e40] error while decoding MB 11 29, bytestream -11 [h264 @ 0x1904e40] concealing 4718 DC, 4718 AC, 4718 MV errors in P frame [rtsp @ 0x17bd1e0] max delay reached. need to consume packet [rtsp @ 0x17bd1e0] RTP: missed 7 packets [h264 @ 0x181b230] error while decoding MB 58 13, bytestream -5 [h264 @ 0x181b230] concealing 6591 DC, 6591 AC, 6591 MV errors in P frame [h264 @ 0x182ada0] error while decoding MB 107 38, bytestream -5 [h264 @ 0x182ada0] concealing 3542 DC, 3542 AC, 3542 MV errors in P frame [rtsp @ 0x17bd1e0] max delay reached. need to consume packetN/A speed= 0x [rtsp @ 0x17bd1e0] RTP: missed 29 packets [rtsp @ 0x17bd1e0] max delay reached. need to consume packet [rtsp @ 0x17bd1e0] RTP: missed 26 packets [h264 @ 0x190a100] error while decoding MB 13 67, bytestream -9 [h264 @ 0x190a100] concealing 156 DC, 156 AC, 156 MV errors in P frame [h264 @ 0x1904e40] error while decoding MB 57 10, bytestream -5 [h264 @ 0x1904e40] concealing 6952 DC, 6952 AC, 6952 MV errors in P frame frame= 1 fps=0.2 q=-0.0 Lsize=N/A time=00:00:00.04 bitrate=N/A speed=0.00677x video:364kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown
おそらくこの繰り返し表示されている部分がエラー
[rtsp @ 0x17bd1e0] max delay reached. need to consume packet [rtsp @ 0x17bd1e0] RTP: missed 7 packets [h264 @ 0x190d1b0] error while decoding MB 85 14, bytestream -9 speed= 0x [h264 @ 0x190d1b0] concealing 6444 DC, 6444 AC, 6444 MV errors in P frame
「-rtsp_transport tcp」を追加し、乱れずにキャプチャができるようになった。
参考文献:
Ciscoルータの制限
はじめに
スイッチばかり触ってきた人間がルータを触ると、あれができない、これができないとなることが多いので、経験してきたできなかったことを箇条書きにしていく。
想定する読み手
CatalystなどのL2,L3スイッチを触ったことがあるが、ルータはあまり触ってない人
以下箇条書き
・WANポートに「switchport mode trunk」や「switchport mode access」が設定できない。
対象:C841MなどCiscoルータ全般
C841Mでは、Gi0/4,5がWANポート
スイッチポートではないので、SVIを使うことができない。
WANポートでは、サブインターフェースを作成して、VLANタグが付いたトラフィックを受信することができる。
しかし、複数のWANポートに同じIPレンジの設定はできない。(XXX.XXX.XXX.XXX overlaps with GigabitEthernet0/X.XXXと表示される。)
また、反対にスイッチポートはルーテッドポートとしては使えない。(スイッチで言うところの、「no switchport」は使えない。bridge-groupも使えないと思う。)
Cisco 892で Fa8にVLAN設定不可ですか? - Cisco Community
SVIやルーテッドポートの違いは、下記サイトをよく読んで理解することをお勧めします。 milestone-of-se.nesuke.com
・L2 EtherChannel(LAG)が組めない
対象:ISR4431(NIM-ES2-4)など
community.cisco.com
そもそも組めない。
結論
SIerとかで物を売るなら、ちゃんとデータシートは確認しよう。(当たり前)
Cisco 841M J シリーズのIOSダウンロード元
RTX1200のファームウェアアップデート
ヤフオクで中古で購入したRTX1200のファームウェアのアップデートを行ったため、その記録を残す。
初期化されているため、パスワードは未設定(空エンター)。
参照したサイト:
使用したもの
ハード
・ノートPC(Windows)
・Dsub9ピンのメス-メスケーブル(CiscoルータなどはDsub9ピン-RJ45ケーブルが必要)
・(一般的なPCだとシリアルポートがないため、USBシリアル変換アダプタ)
ソフト
・RT-TFTP Client
・RTX1200のOSファイル
作業
①PCとRTX1200をシリアルケーブルで接続する。
②バージョンを確認(show environment)
③管理者に昇格(administrator)
④tftpの許可ホストにPCのIPアドレスを追加。今回はPCのアドレスが192.168.100.2で割り当てられていたため、それを指定。(tftp host 192.168.100.2)
⑤RT-TFTP Clientを起動
⑥PCとRTX1200のLAN1の1-8ポートのどれかと接続。リンクランプが光ることを確認。
⑦RT-TFTP ClientでOSファイル、ルータのアドレス(192.168.100.1)を指定し、実行をクリック。
⑧シークバーが進み、最終的に「転送は正常に終了しました 100%」と表示されるまで待つ。
「Update exec file receiving... Testing received file... Writing to Nonvolatile memory... done」
RT-TFTP Clientで転送中、ファーム書き換え中にコンソールに上記ログが表示される。
⑨転送後、ルータが再起動される。
⑩バージョンを確認(show environment)
以上
下記はコンソールの画面。
RTX1200 BootROM Ver.1.01 Copyright (c) 2009 Yamaha Corporation Press 'Enter' or 'Return' to select a firmware and a configuration. Default settings : exec0 and config0 Will start automatically in : 109 8 7 6 5 4 3 2 1 Starting with default settings. Starting with exec0 and config0 ... RTX1200 Rev.10.01.59 (Tue Aug 19 19:26:02 2014) Copyright (c) 1994-2014 Yamaha Corporation. All Rights Reserved. Copyright (c) 1991-1997 Regents of the University of California. Copyright (c) 1995-2004 Jean-loup Gailly and Mark Adler. Copyright (c) 1998-2000 Tokyo Institute of Technology. Copyright (c) 2000 Japan Advanced Institute of Science and Technology, HOKURIKU. Copyright (c) 2002 RSA Security Inc. All rights reserved. Copyright (c) 1997-2010 University of Cambridge. All rights reserved. Copyright (C) 1997 - 2002, Makoto Matsumoto and Takuji Nishimura, All rights reserved. Copyright (c) 1995 Tatu Ylonen , Espoo, Finland All rights reserved. Copyright (c) 1998-2004 The OpenSSL Project. All rights reserved. Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) All rights reserved. Copyright (c) 2006 Digital Arts Inc. All Rights Reserved. Copyright (C) 1994-2012 Lua.org, PUC-Rio. Copyright (c) 1988-1992 Carnegie Mellon University All Rights Reserved. Copyright (C) 2004-2007 Diego Nehab. All rights reserved. Copyright (c) 2005 JSON.org 00:a0:de:XX:XX:XX, 00:a0:de:XX:XX:XX, 00:a0:de:XX:XX:XX Memory 128Mbytes, 3LAN, 1BRI Password: > show environment RTX1200 BootROM Ver.1.01 RTX1200 Rev.10.01.59 (Tue Aug 19 19:26:02 2014) main: RTX1200 ver=b0 serial=XXXXXXXXX MAC-Address=00:a0:de:XX:XX:XX MAC-Addr ess=00:a0:de:XX:XX:XX MAC-Address=00:a0:de:XX:XX:XX CPU: 0%(5sec) 0%(1min) 0%(5min) メモリ: 23% used パケットバッファ: 0%(small) 0%(middle) 5%(large) 0%(huge) used 実行中ファームウェア: exec0 実行中設定ファイル: config0 デフォルトファームウェア: exec0 デフォルト設定ファイル: config0 起動時刻: 2020/05/20 23:07:33 +09:00 現在の時刻: 2020/05/20 23:11:49 +09:00 起動からの経過時間: 0日 00:04:16 セキュリティクラス レベル: 1, FORGET: ON, TELNET: OFF 筐体内温度(℃): 22 > > show status lan1 LAN1 説明: IPアドレス: 192.168.100.1/24 イーサネットアドレス: 00:a0:de:XX:XX:XX 動作モード設定: Type (Link status) PORT1: Auto Negotiation (Link Down) PORT2: Auto Negotiation (Link Down) PORT3: Auto Negotiation (Link Down) PORT4: Auto Negotiation (Link Down) PORT5: Auto Negotiation (Link Down) PORT6: Auto Negotiation (Link Down) PORT7: Auto Negotiation (Link Down) PORT8: Auto Negotiation (Link Down) 最大パケット長(MTU): 1500 オクテット プロミスキャスモード: OFF 送信パケット: 0 パケット(0 オクテット) IPv4(全体/ファストパス): 0 パケット / 0 パケット IPv6(全体/ファストパス): 0 パケット / 0 パケット 受信パケット: 0 パケット(0 オクテット) IPv4: 0 パケット IPv6: 0 パケット > show status dhcp DHCPスコープ番号: 1 ネットワークアドレス: 192.168.100.0 割り当て中アドレス: 192.168.100.2 (タイプ) クライアントID: (01) XX XX XX XX XX XX ホスト名: DESKTOP-XXXXXXX リース残時間: 2日 23時間 59分 46秒 スコープの全アドレス数: 190 除外アドレス数: 0 割り当て中アドレス数: 1 利用可能アドレス数: 189 > > show config # RTX1200 Rev.10.01.59 (Tue Aug 19 19:26:02 2014) # MAC Address : 00:a0:de:XX:XX:XX, 00:a0:de:XX:XX:XX, 00:a0:de:XX:XX:XX # Memory 128Mbytes, 3LAN, 1BRI # main: RTX1200 ver=b0 serial=XXXXXXXXX MAC-Address=00:a0:de:XX:XX:XX MAC-Addr ess=00:a0:de:XX:XX:XX MAC-Address=00:a0:de:XX:XX:XX # Reporting Date: May 20 23:33:55 2020 ip lan1 address 192.168.100.1/24 dhcp service server dhcp server rfc2131 compliant except remain-silent dhcp scope 1 192.168.100.2-192.168.100.191/24 > administrator Password: # tftp host 192.168.100.2 # Update exec file receiving... Testing received file... Writing to Nonvolatile memory... done Restarting ... RTX1200 BootROM Ver.1.01 Copyright (c) 2009 Yamaha Corporation Press 'Enter' or 'Return' to select a firmware and a configuration. Default settings : exec0 and config0 Will start automatically in : 109 8 7 6 5 4 3 2 1 Starting with default settings. Starting with exec0 and config0 ... RTX1200 Rev.10.01.78 (Wed Nov 13 16:29:42 2019) Copyright (c) 1994-2019 Yamaha Corporation. All Rights Reserved. Copyright (c) 1991-1997 Regents of the University of California. Copyright (c) 1995-2004 Jean-loup Gailly and Mark Adler. Copyright (c) 1998-2000 Tokyo Institute of Technology. Copyright (c) 2000 Japan Advanced Institute of Science and Technology, HOKURIKU. Copyright (c) 2002 RSA Security Inc. All rights reserved. Copyright (c) 1997-2010 University of Cambridge. All rights reserved. Copyright (C) 1997 - 2002, Makoto Matsumoto and Takuji Nishimura, All rights reserved. Copyright (c) 1995 Tatu Ylonen , Espoo, Finland All rights reserved. Copyright (c) 1998-2004 The OpenSSL Project. All rights reserved. Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) All rights reserved. Copyright (c) 2006 Digital Arts Inc. All Rights Reserved. Copyright (C) 1994-2012 Lua.org, PUC-Rio. Copyright (c) 1988-1992 Carnegie Mellon University All Rights Reserved. Copyright (C) 2004-2007 Diego Nehab. All rights reserved. Copyright (c) 2005 JSON.org 00:a0:de:XX:XX:XX, 00:a0:de:XX:XX:XX, 00:a0:de:XX:XX:XX Memory 128Mbytes, 3LAN, 1BRI The login password is factory default setting. Please request an administrator to change the password by the 'login password' command. > > show environment RTX1200 BootROM Ver.1.01 RTX1200 Rev.10.01.78 (Wed Nov 13 16:29:42 2019) main: RTX1200 ver=b0 serial=XXXXXXXXX MAC-Address=00:a0:de:XX:XX:XX MAC-Addr ess=00:a0:de:XX:XX:XX MAC-Address=00:a0:de:XX:XX:XX CPU: 1%(5sec) 1%(1min) 0%(5min) メモリ: 23% used パケットバッファ: 0%(small) 0%(middle) 5%(large) 0%(huge) used 実行中ファームウェア: exec0 実行中設定ファイル: config0 デフォルトファームウェア: exec0 デフォルト設定ファイル: config0 起動時刻: 2020/05/20 23:36:37 +09:00 現在の時刻: 2020/05/20 23:37:05 +09:00 起動からの経過時間: 0日 00:00:28 セキュリティクラス レベル: 1, FORGET: ON, TELNET: OFF 筐体内温度(℃): 28 >