Cisco IOSの更新

• Cisco - IOSの更新でハマった - Qiita
• Cisco - L2SWにIPを設定する最短手順 - Qiita

も参照のこと。

参考

• ソフトウェア アップグレード手順 - Cisco Systems
• あいむの珍妄想ページ ～ののキューブ ～Cisco機器のFAQ集

準備

Macでtftpサーバを起動 - Qiitaを済ませておく。

ubuntuの場合

sudo apt-get install tftpd-hpa tftp

/etc/default/tftpd-hpa

  TFTP_USERNAME="tftp"
  TFTP_DIRECTORY="/srv/tftp"
  TFTP_ADDRESS=":69"
- TFTP_OPTIONS="--secure"
+ TFTP_OPTIONS="-c -v -s"

sudo chown tftp:tftp /srv/tftp/
sudo service tftpd-hpa restart

• /srv/tftp/ に sample.txtなどなにかファイルを置いておく。

tftp localhost

# download
get sample.txt

# upload
put readme.txt

IOSをダウンロードしておく。

C3650の場合

• Download Software - Cisco Systems

C3750の場合

flash領域にコピー

• MacのIPを192.168.100.103とする。

#copy tftp: flash:
Address or name of remote host [192.168.100.103]?
Source filename [cat3k_caa-universalk9.SPA.03.03.05.SE.150-1.EZ5.bin]?
Destination filename [cat3k_caa-universalk9.SPA.03.03.05.SE.150-1.EZ5.bin]?
Accessing tftp://192.168.100.103/cat3k_caa-universalk9.SPA.03.03.05.SE.150-1.EZ5.bin...
Loading cat3k_caa-universalk9.SPA.03.03.05.SE.150-1.EZ5.bin from 192.168.100.103 (via Vlan110): !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
[OK - 257651868 bytes]

257651868 bytes copied in 1360.900 secs (189325 bytes/sec)

1360.900

23分かかった。

flash領域確認

#dir flash:
Directory of flash:/

 7746  -rw-    79121160  Aug 13 2014 18:09:32 +09:00  cat3k_caa-base.SPA.03.03.03SE.pkg
 7747  -rw-     6484668  Aug 13 2014 18:09:33 +09:00  cat3k_caa-drivers.SPA.03.03.03SE.pkg
 7748  -rw-    34522096  Aug 13 2014 18:09:32 +09:00  cat3k_caa-infra.SPA.03.03.03SE.pkg
 7749  -rw-    34821452  Aug 13 2014 18:09:33 +09:00  cat3k_caa-iosd-universalk9.SPA.150-1.EZ3.pkg
 7750  -rw-    25131920  Aug 13 2014 18:09:32 +09:00  cat3k_caa-platform.SPA.03.03.03SE.pkg
 7751  -rw-    77312832  Aug 13 2014 18:09:33 +09:00  cat3k_caa-wcm.SPA.10.1.130.0.pkg
 7752  -rw-        1248  Aug 13 2014 18:09:44 +09:00  packages.conf
 7753  -rw-     2097152   Nov 4 2014 10:34:06 +09:00  nvram_config
 7754  -rw-         916   Nov 4 2014 09:06:01 +09:00  vlan.dat
 7755  -rw-   257651868   Nov 7 2014 15:07:35 +09:00  cat3k_caa-universalk9.SPA.03.03.05.SE.150-1.EZ5.bin

1621966848 bytes total (1101815808 bytes free)

cat3k_caa-universalk9.SPA.03.03.05.SE.150-1.EZ5.binがあることを確認。

ファイルの検証

# verify flash:cat3k_caa-universalk9.SPA.03.03.05.SE.150-1.EZ5.bin
Digital signature successfully verified in package cat3k_caa-base.SPA.03.03.05SE.pkg
Digital signature successfully verified in package cat3k_caa-infra.SPA.03.03.05SE.pkg
Digital signature successfully verified in package cat3k_caa-platform.SPA.03.03.05SE.pkg
Digital signature successfully verified in package cat3k_caa-iosd-universalk9.SPA.150-1.EZ5.pkg
Digital signature successfully verified in package cat3k_caa-wcm.SPA.10.1.150.0.pkg
Digital signature successfully verified in package cat3k_caa-drivers.SPA.03.03.05SE.pkg
Digital signature successfully verified in file flash:cat3k_caa-universalk9.SPA.03.03.05.SE.150-1.EZ5.bin

コンフィギュレーション レジスタの設定

• すべての Cisco ルータ上でのコンフィギュレーション レジスタの使用 - Cisco Systems

#show ver | include register
Configuration register is 0x102

0x2102に設定

#conf t
(config)#config-register 0x2102
(config)#^Z

ブート変数の確認

#show ver | include register

• 今回は出力なし。

ブート変数の設定

#conf t
(config)#no boot system
(config)#boot system flash:cat3k_caa-universalk9.SPA.03.03.05.SE.150-1.EZ5.bin
(config)#^Z

ブート変数の確認

#show run | include boot system
boot system switch all flash:cat3k_caa-universalk9.SPA.03.03.05.SE.150-1.EZ5.bin

設定保存

#write memory
Building configuration...
Compressed configuration from 5968 bytes to 2645 bytes[OK]

再起動

#reload
Reload command is being issued on Active unit, this will reload the whole stack
Proceed with reload? [confirm]
Connection closed by foreign host.

起動まで5分はかかるので気長に待つ。

バージョン確認

更新前

#show ver
Cisco IOS Software, IOS-XE Software, Catalyst L3 Switch Software (CAT3K_CAA-UNIVERSALK9-M), Version 03.03.03SE RELEASE SOFTWARE (fc2)

更新後

#show ver
Cisco IOS Software, IOS-XE Software, Catalyst L3 Switch Software (CAT3K_CAA-UNIVERSALK9-M), Version 03.03.05.SE RELEASE SOFTWARE (fc1)

現在の設定値確認

#show ver | include register
Configuration register is 0x102
#show run | include boot system
boot system switch all flash:cat3k_caa-universalk9.SPA.03.03.05.SE.150-1.EZ5.bin

---

tar形式のupload

• Ciscoデバイスの管理 - Catalystスイッチ - archiveコマンドによるIOSのダウンロード

archive upload-sw http://192.168.100.98/c2960-lanbasek9-tar.122-55.SE11.tar

一括削除

　IOSイメージやHTMLファイル等を一括削除したくなった場合

delete /force /recursive flash: